Circuits intégrés

Sous-catégories

📁 ADC/DAC 3 100+ produits 📁 CI amplificateurs 1 900+ produits 📁 Codecs audio 18 produits 📁 CI audio 2 produits 📁 Horloge et synchronisation 670+ produits 📁 Comparator ICs 1 produits 📁 DSP 1 100+ produits 📁 CI d'acquisition de données 2 produits 📁 Potentiomètres numériques 4 produits 📁 Pilotes et contrôleurs d'affichage 1 produits 📁 FPGA & CPLD 7 300+ produits 📁 Circuits intégrés d'interface 3 400+ produits 📁 Pilotes de LED 1 produits 📁 CI logiques 460+ produits 📁 CI mémoire 870+ produits 📁 Microcontrôleurs 20 000+ produits 📁 Microprocesseurs 4 produits 📁 Pilotes de moteur 1 produits 📁 Autres 1 produits 📁 Sensor and Detector Interfaces 1 produits 📁 Circuits intégrés spécialisés 15 produits 📁 CI vidéo 14 produits

Produits (39 000+)

MC145572PBR2 - ISDN U-Interface Transceiver | NXP | 44-LQFP
MC145572PBR2

MC145572PBR2 - ISDN U-Interface Transceiver | NXP | 44-LQFP

The NXP (formerly Freescale / Motorola) MC145572PBR2 is a single-chip ISDN U-interface transceiver designed for 160 kbps full-duplex 2B1Q transmission over a single twisted-pair copper line. Housed in a 44-pin LQFP (10x10 mm) surface-mount package, this specialized IC integrates the analog front-end, echo canceller, digital signal processor, and HDLC controller required for both the network-termination (NT) and line-termination (LT) sides of an ISDN basic-rate interface, with the side selected at power-up by a single pin. In the broader product hierarchy, the MC145572PBR2 is a specialized telecommunications IC — a sub-category of interface ICs that bridges the physical layer of legacy ISDN and 2B1Q transport systems to higher-layer HDLC processors. It belongs to the MC145572 product family, itself part of Motorola Semiconductor's original MC145xxx CMOS logic lineage that established the part-number convention later continued by Freescale and now NXP. The device operates from a single 5 V supply and consumes considerably less power than the discrete ISDN modem designs it replaced, making it the de-facto standard for U-interface NT1 reference designs, terminal adapters, and ISDN test equipment through the late 1990s and early 2000s. Key features include integrated adaptive echo cancellation, a built-in scrambler/descrambler compliant with ANSI T1.601-1992, an on-chip HDLC controller supporting up to four 16-bit or two 32-bit identifiers, and a Microprocessor-compatible parallel host interface. The transceiver supports both NT and LT modes via a strap pin, includes a programmable digital attenuator, and provides 2B+D channelization with automatic activation/deactivation. Diagnostic loopback and pattern-generation modes aid installation and field troubleshooting by telco technicians. Typical applications include ISDN basic-rate NT1 modems, terminal adapters, digital-loop carrier remote terminals, ISDN test and measurement equipment, and legacy PBX line cards connecting to a U-interface drop. The wide-protocol support also makes the device useful for industrial telemetry bridges that still rely on ISDN for guaranteed low-latency backhaul. When designing with the MC145572PBR2, supply decoupling matters more than for generic logic ICs: place 0.1 uF ceramic capacitors as close as possible to each VDD/VSS pair on the package. Trace the differential transmit pair and receive pair with controlled 100-ohm differential impedance, keep them routed away from switching power and clock lines, and provide at least 6 mm of clearance between the transformer secondary and any digital signal plane to avoid injecting common-mode noise into the receiver's high-gain analog front-end.

Devis Contact
MC1455BD - 5V Programmable Timer/Oscillator | onsemi
MC1455BD

MC1455BD - 5V Programmable Timer/Oscillator | onsemi

The onsemi MC1455BD is a single 555-type timer and oscillator integrated circuit designed for accurate time delays and free-running oscillation. It operates from a 5 V supply and is packaged in an 8-pin SOIC. The MC1455BD combines a precision timing circuit with trigger and reset inputs, allowing it to be configured as a monostable one-shot or an astable oscillator using external resistors and capacitors. A 555 timer is a type of programmable timer and oscillator within the broader clock and timing IC hierarchy. Its internal comparators, flip-flop, and discharge transistor allow a simple external RC network to determine delay time or oscillation frequency. Compared with a mechanical or discrete timing arrangement, the MC1455BD provides a compact and repeatable implementation for pulse generation, delay, flashing, and periodic control functions. Key features include support for both monostable and astable operating modes, externally adjustable timing through one resistor and one capacitor in monostable operation, and separate trigger and reset terminals. The verified distributor information identifies the device as a 5 V, 555 Type, Timer/Oscillator (Single) IC in an 8-SOIC package. The onsemi datasheet also describes additional terminals for triggering or resetting when required. The MC1455 architecture provides two useful operating behaviors. In monostable mode, a trigger pulse causes the output to enter a defined high state for a duration set primarily by the external timing resistor and capacitor. In astable mode, the output repeatedly switches between high and low states, with the external resistor-capacitor network setting the operating frequency and duty cycle. This makes one device suitable for both one-shot event timing and continuous pulse generation. Typical applications include industrial control timers, LED flashers, pulse generators, delay circuits, repetitive switching circuits, and general-purpose timing modules. Its 8-pin SOIC package supports compact surface-mount PCB layouts, while the external RC components allow timing values to be selected for the particular load and system requirements. The device is also useful as the timing element in educational and prototype circuits where both monostable and astable configurations may be exercised. Designers should select resistor and capacitor values that keep the timing network within the operating limits stated by the manufacturer datasheet and should account for component tolerance when precise timing is required. The trigger and reset pins must be driven only to valid logic levels, and unused or unused-at-a-time inputs should be handled according to the datasheet rather than left floating. PCB layout should keep timing-node connections short and provide an adequate ground return. This page combines verified manufacturer and distributor information, package and pin references, commercial availability, and qualified drop-in alternatives. It also provides application guidance and parameter-level comparison information intended to make timer selection and PCB reuse easier than a raw datasheet summary alone.

Devis Contact
MC1455DG - Single 555 Timer, 16V, 8-SOIC | onsemi
MC1455DG

MC1455DG - Single 555 Timer, 16V, 8-SOIC | onsemi

The onsemi MC1455DG is a single general-purpose 555 timer integrated circuit with a 4.5 V to 16 V supply range, housed in an 8-pin SOIC package. It can generate accurate time delays or free-running oscillations using external resistors and capacitors, while dedicated trigger and reset terminals provide additional control over the timing interval. The device is intended for precision delay, pulse-generation, and oscillator applications in industrial and commercial electronics. A 555 timer is an analog timing integrated circuit that combines a voltage comparator, a flip-flop, discharge transistor, and resistive divider into one reusable building block. Within the broader hierarchy, it is a clock and timing IC within integrated circuits, providing a simple alternative to a dedicated programmable timer or microcontroller-based timing solution. The MC1455 can operate as a monostable one-shot, as an astable oscillator, or as a Schmitt-trigger comparator. The MC1455DG provides a single timer in an 8-SOIC package, operates from 4.5 V to 16 V, and is specified for a 0°C to 70°C temperature range. In monostable mode, one external resistor and one capacitor control the output pulse duration. In astable mode, two resistors and one capacitor establish the oscillation frequency and duty cycle, while the control, trigger, reset, threshold, and discharge pins support the standard 555 application topology. Timing accuracy depends on the external resistor and capacitor tolerances, the device's internal reference behavior, and the operating voltage. Because the trigger input is compared against one-third of the supply voltage and the threshold input is compared against two-thirds of the supply voltage, the timing network sees supply-dependent reference levels. Designers should therefore use stable precision components and avoid high-impedance timing nodes where practical. Typical uses include industrial control pulse generation, relay activation delays, debounce timers, low-frequency oscillators, sensor timeout circuits, and audio-envelope generators. It is also useful in educational and evaluation boards where a simple external-resistor-and-capacitor timing method is preferable to firmware-based timing. For robust layouts, connect the control bypass capacitor close to the control pin, keep the timing capacitor's ground return short, and route the discharge transistor output away from sensitive analog signals. Confirm trigger and reset levels in the selected operating mode because a floating control, trigger, or reset node can produce unintended output transitions. This page combines verified manufacturer and distributor information with pin-level guidance, application fit, comparison parameters, and replacement considerations. It also documents where full electrical limits, qualified pricing, and lifecycle-specific details remain unavailable in the supplied source data.

Devis Contact
MC1455DR2 - Programmable Timer Oscillator | onsemi
MC1455DR2

MC1455DR2 - Programmable Timer Oscillator | onsemi

The onsemi MC1455DR2 is a single 555-type monolithic timing circuit packaged in an 8-pin SOIC. Designed for accurate time delays or oscillation, it supports time-delay operation controlled by an external resistor-capacitor network and provides trigger and reset terminals. The device is described as a direct replacement for NE555 timers and includes adjustable duty-cycle capability. A timer IC is a specialized timing-control device used to create a defined delay, periodic oscillation, or a repeatable pulse sequence. The MC1455 belongs to the 555 timer family, combining analog threshold comparison and switching functions with external timing components. Within the broader semiconductor hierarchy, it is an integrated circuit, timer and oscillator, and ultimately a signal-generation and control component used in industrial, consumer, and instrumentation electronics. The principal functional characteristics are accurate timing, selectable monostable or astable operating behavior, external resistor-capacitor timing control, trigger support, reset support, and adjustable duty cycle. Its timing network remains external, allowing the designer to select resistance and capacitance values according to the required delay or oscillation frequency. The 8-pin SOIC package also supports compact surface-mount PCB construction while exposing the standard timer functions required for trigger, discharge, control, threshold, reset, output, supply, and ground connections. Technically, the MC1455 combines two internal threshold comparators with a flip-flop and discharge transistor. In time-delay mode, the trigger input initiates a timing interval that is controlled by one external resistor and capacitor. In oscillation mode, the threshold and trigger functions cooperate with the external network to produce a periodic output. Additional trigger and reset terminals provide external control, while the control-voltage terminal supports common waveform-shaping and duty-cycle adjustment techniques described in the manufacturer documentation. Typical uses include pulse generation, delayed switching, debounce and one-shot logic, simple clock circuits, tone generation, warning indicators, and control-signal generation. The part is especially appropriate where a compact, standard 555-type interface is preferred over a more complex microcontroller timer or dedicated clock IC. Its external timing network also allows the timing range to be scaled without changing the package or pinout. The principal design consideration is to use the pin-description table and operating limits in the manufacturer datasheet when assigning signal levels, timing-component values, supply conditions, and output drive requirements. Designers should also review the reset and trigger truth behavior, control-voltage biasing, and discharge-node implementation before placing the circuit in a new PCB design. This page organizes the verified MC1455DR2 product information, commercial inquiry path, drop-in alternatives, pin assignment, comparison points, and practical application guidance. It also distinguishes verified package and interface facts from parameters that require confirmation against the manufacturer datasheet before production release.

Devis Contact
MC1455P1G - 555 Timer, 4.5-16V, 8-PDIP | onsemi
MC1455P1G

MC1455P1G - 555 Timer, 4.5-16V, 8-PDIP | onsemi

The onsemi MC1455P1G is a 555-type monolithic timer and oscillator with a 4.5 V to 16 V supply range, housed in an 8-pin PDIP package. It supports accurate time-delay and free-running oscillation functions, with external resistor and capacitor timing components and adjustable duty-cycle operation. Trigger and reset terminals allow the circuit to be initiated or terminated according to the application timing requirements. A 555 timer is a type of timer IC, oscillator IC, and analog integrated circuit used to generate a time-delayed output or periodic waveform without a microprocessor. Within the broader semiconductor hierarchy, the MC1455 belongs to the timer and oscillator category, which sits within clock and timing integrated circuits and analog signal-processing devices. The device provides a simple hardware mechanism for delays, pulse generation, flashing, tone generation, and periodic control. The principal advantages of the MC1455P1G include its direct-replacement positioning for NE555 timers, adjustable duty-cycle capability, separate trigger and reset control, and operation from a single 4.5 V to 16 V supply. Its timing interval is established by one external resistor and capacitor in monostable mode, while astable operation adds the resistor and capacitor connections required to set frequency and duty cycle. These features make the circuit useful in designs where a dedicated timer simplifies control logic. Internally, the MC1455 uses comparator and switching functions to control its discharge, output, trigger, and reset behavior. In monostable operation, a trigger pulse starts one controlled timing interval and then returns the output to its inactive state. In astable operation, the output oscillates continuously, with frequency and duty cycle determined by the external timing network. The manufacturer describes the MC1455 as a highly stable monolithic timing controller, while its trigger and reset terminals support externally controlled operation. Typical uses include LED flashers, interval timers, pulse generators, industrial control timers, switch debounce circuits, simple audio oscillators, and embedded control systems requiring a repeatable hardware timing event. Because the MC1455P1G is a through-hole PDIP device, it is particularly suitable for prototyping, educational assemblies, legacy industrial equipment, and repair designs where a socketed DIP implementation simplifies maintenance. For new layouts, preserve the standard 8-pin timer interface and place timing components close to the relevant pins to reduce parasitic effects. Check trigger and reset pulse timing, discharge-device current, and output-load conditions before finalizing the circuit. A bypass capacitor near the supply pin is recommended when the long timing interval and high timing accuracy required by the design are important. This product record combines manufacturer functional information, package and supply details, cross-reference candidates, and practical design guidance. It also distinguishes verified device attributes from electrical parameters that still require confirmation in the manufacturer datasheet, helping engineers plan a replacement without overlooking timer behavior, package compatibility, or application-level constraints.

Devis Contact
MC14578P - CMOS Micro-Power Comparator + Voltage Follower | NXP Semiconductors
MC14578P

MC14578P - CMOS Micro-Power Comparator + Voltage Follower | NXP Semiconductors

The NXP Semiconductors MC14578P is a CMOS analog building block that integrates a very-high-input-impedance comparator, a voltage follower, and four enhancement-mode MOSFETs (N-channel and P-channel pairs) on a single die, housed in a 16-pin PDIP (DIP-16) through-hole package. The MC14578 is a micro-power comparator with integrated voltage follower. An LDO (Low-Dropout) linear regulator maintains a stable output voltage, but the MC14578 belongs to a different category - it is a CMOS analog comparator designed for ultra-low-power signal conditioning in battery and line-powered applications. The integrated voltage follower allows monitoring the noninverting input of the comparator without loading the source, which is critical in high-impedance sensor interfaces where the comparator would otherwise distort the signal. The four on-chip MOSFETs (two N-channel and two P-channel) provide design flexibility for level shifting, switching, or simple analog front-ends around the comparator output. Key features include the analog building-block topology that combines comparator, follower, and discrete MOSFETs on one chip, an extremely low quiescent current suitable for battery-powered designs, a CMOS process that delivers very high input impedance, and a single-supply operation that simplifies integration with digital logic. Architecture-wise, the device uses a CMOS process that delivers very high input impedance on the comparator inputs and very low quiescent current consumption, a specification critical for battery-powered designs such as smoke detectors that must operate for years on a single 9V cell. The four co-integrated MOSFETs are positioned as auxiliary building blocks, allowing the designer to build simple transistor circuits around the comparator without external discretes. The combination of the high-impedance follower buffer and on-die MOSFETs is unusual in this package class and is the main architectural reason the part has been a long-term staple in low-cost smoke-detector and sensor-interface designs. Typical applications include line-powered smoke detectors, threshold detectors, liquid/moisture sensors, low-battery detectors, CO detectors and micro interfaces, and pulse shapers. The on-chip MOSFETs simplify typical battery-operated detector front-ends that otherwise would require several discrete transistors. One key design consideration: the on-chip MOSFETs have limited drain current and should not be used as primary power switches - they are sized as signal-path elements. Engineers should review the datasheet's continuous-drain current rating before driving relays or LEDs directly off these transistors. This page synthesizes distributor stock data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet itself.

Devis Contact
MC1458D - Dual 1MHz Op Amp, ±15V, 8-SOIC | Texas Instruments (Tape & Reel)
MC1458D

MC1458D - Dual 1MHz Op Amp, ±15V, 8-SOIC | Texas Instruments (Tape & Reel)

The Texas Instruments MC1458D is a dual general-purpose operational amplifier integrating two internally compensated op amps in an 8-pin SOIC (D) package, originally designed to be pin-compatible with the classic Motorola MC1458 and Signetics N5558/S5558 parts. Each channel delivers a gain bandwidth product of 1 MHz with a 0.5 V/us slew rate and operates from split supplies of plus/minus 5 V to plus/minus 15 V, or equivalently from a single supply of 10 V to 30 V. The output stage swings within a few volts of each rail, and the inputs cover the full common-mode range including the negative rail, which simplifies single-supply signal-conditioning designs. An operational amplifier (op amp) is a high-gain DC-coupled voltage amplifier with differential inputs and a single-ended output. In the system hierarchy, the MC1458D sits as a general-purpose linear IC under amplifier ICs, which itself belongs to the broader family of analog signal-conditioning components and integrated circuits. The MC1458D is specifically a dual-channel, internally compensated design that requires no external frequency-compensation capacitor, simplifying PCB layout versus discrete-transistor op-amp implementations. Key features include short-circuit protection on the output stage, low power consumption of approximately 1.7 mA per amplifier at plus/minus 15 V, no latch-up, and wide common-mode plus differential voltage ranges. The two channels share a single bias network, giving matched DC behavior that suits difference amplifiers, active filters, and dual-channel transducer signal chains. Each channel is a complete bipolar op amp with internal compensation, allowing the part to be used as a direct functional replacement for legacy 1458-family designs with no circuit changes. Architecturally, the MC1458D uses a classic bipolar transistor input stage with an active load, a Darlington intermediate stage, and a class-AB complementary emitter-follower output, mirroring the topology of the uA741 but with two channels on one die. The dual-die design eliminates the need for an external compensation capacitor on each channel; instead, the internal capacitor is trimmed during wafer test. This mature architecture trades raw speed for excellent DC accuracy, low input bias current relative to JFET alternatives, and predictable behavior over the full 0 to 70 degrees C commercial temperature range. Typical applications include active filtering, transducer signal conditioning, instrumentation front ends, integrators and comparators, audio preamplifiers, and general-purpose dual-channel amplification in industrial controls and consumer electronics. The matched pair also makes it well-suited for differential amplifiers driving downstream ADCs. When designing with this part, observe the absolute maximum differential input voltage of plus/minus 30 V and ensure the input common-mode range is respected to avoid phase inversion. Bypass supplies with a 0.1 uF ceramic capacitor close to the VCC+ and VCC- pins to prevent oscillation in unity-gain buffer configurations. This page synthesizes distributor pricing, drop-in replacement candidates for the dual 1458 pinout, and practical design notes not consolidated in the manufacturer datasheet.

Devis Contact
MC1458DE4 - Dual 1 MHz Op Amp | Texas Instruments
MC1458DE4

MC1458DE4 - Dual 1 MHz Op Amp | Texas Instruments

Texas Instruments MC1458DE4 is a dual general-purpose operational amplifier with two independently usable amplifier circuits, a 1 MHz gain-bandwidth product, and a 0.5 V/µs slew rate. The device is packaged in an 8-pin SOIC measuring 0.154 inch, or 3.90 mm, in width. It is intended for general-purpose analog signal conditioning and is described as a dual operational amplifier whose internal frequency compensation eliminates the need for external compensation components. An operational amplifier, or op amp, is a voltage-gain building block within analog and mixed-signal electronics. MC1458DE4 belongs to the general-purpose operational-amplifier class and contains two amplifier channels in one package. Its internally compensated architecture simplifies circuit construction in voltage followers, summing amplifiers, comparators, and general signal-conditioning networks. The two channels can process different analog signals or can be used together for filtering, instrumentation, and differential circuit functions when the application requires it. Key characteristics include two amplifier circuits, a 1 MHz gain-bandwidth product, a 0.5 V/µs slew rate, a 15 V supply designation, and integrated frequency compensation. The manufacturer describes the amplifier as low-power, protected against latch-up, and intended for voltage-follower use. Unlike implementations that expose offset-null terminals, the MC1458 family is described as having each amplifier half electrically similar to a µA741 without offset-null capability. The absence of those terminals simplifies the pin assignment and reduces external component count. The internally compensated amplifiers provide stable operation in voltage-follower configurations without external frequency-compensation networks. Their approximately 1 MHz bandwidth is suitable for audio-frequency and general instrumentation signal paths where moderate bandwidth is sufficient. The 0.5 V/µs slew rate determines how rapidly output voltage can follow a changing input, making the device appropriate for general analog amplification rather than high-speed pulse or wideband signal processing. Typical uses include audio preamplification, summing and averaging amplifiers, voltage followers, sensor signal conditioning, comparator-style threshold circuits, and educational or laboratory analog designs. The 8-pin SOIC package allows two amplifier channels to be placed on a compact through-hole PCB footprint, while the device's two-circuit organization can reduce component count when both positive and negative signals are processed. Designers should account for supply headroom, common-mode input range, output swing, and the bandwidth available at the selected closed-loop gain. Decoupling capacitors should be placed close to the supply pins, and sensitive analog layouts should minimize trace resistance and coupling from switching circuitry. The most important sourcing check is pinout and footprint compatibility, because different package suffixes of the MC1458 family can use different standard packages. This product page consolidates the MC1458DE4 electrical identity, package information, practical use cases, verified source links, and design guidance. It also distinguishes confirmed drop-in candidates from package or electrical variants, helping engineers evaluate replacements without assuming that a similar amplifier description guarantees a compatible PCB footprint.

Devis Contact
MC1458DR - Dual 1MHz Op Amp, ±15V, 8-SOIC | Texas Instruments
MC1458DR

MC1458DR - Dual 1MHz Op Amp, ±15V, 8-SOIC | Texas Instruments

The Texas Instruments MC1458DR is a dual general-purpose operational amplifier integrating two internally compensated op amps in an 8-pin SOIC (D) package, originally designed to be pin-compatible with the classic Motorola MC1458 and Signetics N5558/S5558 parts. Each channel delivers a gain bandwidth product of 1 MHz with a 0.5 V/us slew rate and operates from split supplies of plus/minus 5 V to plus/minus 15 V, or equivalently from a single supply of 10 V to 30 V. The output stage swings within a few volts of each rail, and the inputs cover the full common-mode range including the negative rail, which simplifies single-supply signal-conditioning designs. An operational amplifier (op amp) is a high-gain DC-coupled voltage amplifier with differential inputs and a single-ended output. In the system hierarchy, the MC1458DR sits as a general-purpose linear IC under amplifier ICs, which itself belongs to the broader family of analog signal-conditioning components and integrated circuits. The MC1458DR is specifically a dual-channel, internally compensated design that requires no external frequency-compensation capacitor, simplifying PCB layout versus discrete-transistor op-amp implementations. Key features include short-circuit protection on the output stage, low power consumption of approximately 1.7 mA per amplifier at plus/minus 15 V, no latch-up, and wide common-mode plus differential voltage ranges. The two channels share a single bias network, giving matched DC behavior that suits difference amplifiers, active filters, and dual-channel transducer signal chains. Each channel is a complete bipolar op amp with internal compensation, allowing the part to be used as a direct functional replacement for legacy 1458-family designs with no circuit changes. Architecturally, the MC1458DR uses a classic bipolar transistor input stage with an active load, a Darlington intermediate stage, and a class-AB complementary emitter-follower output, mirroring the topology of the uA741 but with two channels on one die. The dual-die design eliminates the need for an external compensation capacitor on each channel; instead, the internal capacitor is trimmed during wafer test. This mature architecture trades raw speed for excellent DC accuracy, low input bias current relative to JFET alternatives, and predictable behavior over the full 0 to 70 degrees C commercial temperature range. Typical applications include active filtering, transducer signal conditioning, instrumentation front ends, integrators and comparators, audio preamplifiers, and general-purpose dual-channel amplification in industrial controls and consumer electronics. The matched pair also makes it well-suited for differential amplifiers driving downstream ADCs. When designing with this part, observe the absolute maximum differential input voltage of plus/minus 30 V and ensure the input common-mode range is respected to avoid phase inversion. Bypass supplies with a 0.1 uF ceramic capacitor close to the VCC+ and VCC- pins to prevent oscillation in unity-gain buffer configurations. This page synthesizes distributor pricing, drop-in replacement candidates for the dual 1458 pinout, and practical design notes not consolidated in the manufacturer datasheet.

Devis Contact
MC1458DT - High-Performance Dual Op Amp | STMicroelectronics
MC1458DT

MC1458DT - High-Performance Dual Op Amp | STMicroelectronics

The STMicroelectronics MC1458DT is a high-performance, monolithic, dual operational amplifier with a wide input common-mode voltage range, supplied in an 8-pin SOIC package. The device contains two amplifiers and is intended for general-purpose analog signal-conditioning applications. Its high gain, wide operating-voltage range, and general feedback architecture support integrator, summing-amplifier, comparator-style, and precision feedback designs. An operational amplifier is an analog integrated circuit that amplifies the difference between two input voltages. The MC1458 belongs to the operational-amplifier family, which is part of the broader analog IC and semiconductor hierarchy. Operational amplifiers are used wherever a circuit must amplify, buffer, filter, integrate, or compare a small electrical signal, making them foundational building blocks in instrumentation, control, communications, and consumer equipment. Key features of the MC1458 include its dual-amplifier configuration, high-performance monolithic construction, wide input common-mode voltage range, and low power consumption. The dual format allows two independent amplifier channels in one package, reducing board area and simplifying designs that require matched amplification stages. Its general-purpose feedback configuration makes it useful in both conventional closed-loop amplifier circuits and active analog networks. The MC1458 is specified for a wide range of operating voltages, which gives designers flexibility when using it with different supply rails and signal levels. The device is suitable for integrator and summing-amplifier applications because its high gain and feedback characteristics support accurate closed-loop operation. The manufacturer describes the MC1458 as intended for a wide range of analog applications rather than a single narrow use case. Typical applications include audio preamplification, sensor signal conditioning, analog filtering, instrumentation, general feedback control, and low-frequency analog signal processing. Its SOIC-8 package also makes it practical for conventional PCB assembly where dual-channel analog amplification is required. Designers should verify supply voltage, input common-mode range, output swing, stability, and load requirements against the manufacturer datasheet for the exact operating conditions. When designing around the MC1458DT, use appropriate input and output bypassing, keep feedback paths short, and verify that the selected operating point remains inside the device's electrical limits. This page combines the verified manufacturer and distributor information with practical selection guidance and drop-in cross-reference context for engineers evaluating the MC1458 family.

Devis Contact
MC1458ID - Dual High-Performance Operational Amplifier | STMicroelectronics
MC1458ID

MC1458ID - Dual High-Performance Operational Amplifier | STMicroelectronics

The STMicroelectronics MC1458ID is a high-performance dual operational amplifier integrated circuit with two amplifier circuits in an 8-pin SOIC package. It is intended for general-purpose analog signal-processing applications, including summing amplifiers, voltage followers, integrators, active filters, and function generators. The device is identified as a low-noise, wide-temperature-range dual op amp with short-circuit protection and no frequency-compensation requirement. An operational amplifier is a voltage-feedback analog amplifier used to amplify the difference between two input voltages. In a feedback network, the MC1458ID can provide high closed-loop gain, signal buffering, impedance transformation, and active-filter functions. Its dual-circuit architecture places two independent amplifiers in one package, reducing board area when a design requires two analog signal channels. The MC1458ID is described as a high-performance monolithic dual operational amplifier with low power consumption and a large input-voltage range. The device also features high gain, short-circuit protection, no-latch-up behavior, and operation without frequency compensation. These characteristics make it suitable for instrumentation, audio signal processing, active filtering, summing and integrating circuits, and general analog control systems. The MC1458ID uses a conventional dual-amplifier architecture rather than a digitally controlled or precision-specialty amplifier. Its two channels are packaged in an 8-SOIC, allowing a compact surface-mount implementation. The wide operating-voltage capability supports varied analog supply conditions, while the low-noise designation is relevant to applications in which signal integrity and small-signal amplification matter. Typical uses include audio preamplification, instrumentation buffering, active filters, summing amplifiers, integrators, voltage followers, and function-generator circuits. In an instrumentation application, the device can buffer sensor outputs before conversion or further processing. In audio systems, one channel may process one signal path while the second handles another, provided the power supply and grounding arrangement support both circuits. When designing around the MC1458ID, use the manufacturer pin-description table to assign supply, input, and output connections, and observe the dual-amplifier decoupling requirements. Place bypass capacitors close to the supply pins, keep feedback-loop routing short, and check input and output signal limits against the device operating conditions before finalizing the board layout. This product page combines the STMicroelectronics MC1458ID device identity, package information, functional applications, sourcing structure, and practical design guidance to support faster component selection and board-level implementation.

Devis Contact
MC1458IN - Dual High-Performance Op Amp | STMicroelectronics
MC1458IN

MC1458IN - Dual High-Performance Op Amp | STMicroelectronics

STMicroelectronics MC1458IN is a dual, high-performance, general-purpose operational amplifier packaged in an 8-pin Mini DIP. Each integrated circuit contains two amplifier channels, allowing one component to implement independent amplification, buffering, summing, integration, or feedback functions. The device is specified as a standard general-purpose amplifier, and a distributor listing identifies a slew rate of 0.8 V/µs. It is supplied in the through-hole DIP-8 package represented by the MC1458IN ordering code. An operational amplifier, or op amp, is a high-gain analog building block that compares its inverting and non-inverting inputs and drives an output toward the difference between those voltages, subject to negative feedback. Within the product hierarchy, the MC1458IN is a dual op amp, which is a type of analog amplifier IC used for instrumentation, signal conditioning, voltage following, active filtering, summing, and feedback control. The MC1458 family provides two amplifiers in one monolithic package, reducing component count while preserving independent operation of both channels. Key features include two amplifier circuits in one package, a high-performance monolithic design, general-purpose feedback compatibility, a stated 0.8 V/µs slew rate, and an 8-pin Mini-DIP mounting format. These characteristics make the device suitable for analog systems requiring two precision-oriented signal paths without allocating two separate single amplifier packages. The through-hole package also supports conventional DIP sockets and prototype-board assembly. According to the STMicroelectronics manufacturer datasheet, the MC1458 is intended for a wide range of analog applications, including integrators, summing amplifiers, and general feedback circuits. Its high gain and broad operating-voltage capability support conventional closed-loop analog designs, while the integrated dual configuration allows signal conditioning and active feedback stages to be placed close together on a board. Typical applications include audio preamplification, instrumentation stages, active filters, analog summing networks, integrators, buffer amplifiers, and general industrial signal conditioning. In a dual-rail circuit, the two channels can process separate inputs or participate in cascaded stages. In single-supply equipment, the usable input and output range still requires careful common-mode and output-swing verification against the manufacturer specifications. Designers should check the datasheet pinout, recommended operating voltages, common-mode range, output swing, offset specifications, compensation requirements, and supply decoupling before finalizing a board. Feedback-network values and source impedances should be selected against the documented frequency-response and noise characteristics rather than estimated from generic 741-family behavior. This page consolidates verified manufacturer and distributor information, documented equivalent-family references, package-level comparison data, and practical selection guidance. It also distinguishes verified facts from parameters that still require confirmation from the current manufacturer datasheet, helping engineers qualify replacements without assuming undocumented electrical equivalence.

Devis Contact
MC1458N - Dual High-Performance Op Amp | STMicroelectronics
MC1458N

MC1458N - Dual High-Performance Op Amp | STMicroelectronics

STMicroelectronics MC1458N is a dual, internally compensated operational amplifier in an 8-pin Mini DIP package. The device combines two amplifiers in one monolithic IC, providing high open-loop gain, a high common-mode input range, internal compensation, short-circuit protection, and exceptional temperature stability. Its wide operating-voltage range makes it suitable for conventional bipolar power supplies and general analog signal-processing systems. An operational amplifier is an analog IC that amplifies the voltage difference between its inverting and non-inverting inputs while using negative feedback to control gain, bandwidth, and output behavior. The dual MC1458 belongs to the operational-amplifier hierarchy, which extends to analog amplifiers and signal-conditioning ICs. Two independent amplifiers in one package reduce board area and simplify designs requiring matched channel functions. The MC1458's internal compensation removes the need for external frequency-compensation components in standard closed-loop configurations. Its high open-loop gain supports accurate amplification in feedback circuits, while its broad common-mode range accommodates signals around the circuit's bias point. Short-circuit protection improves robustness when an output is overloaded. The product is identified by distributors as a standard, general-purpose, two-circuit amplifier. STMicroelectronics describes the MC1458 as a high-performance monolithic dual operational amplifier intended for a wide range of analog applications. The combination of high gain and wide operating-voltage capability supports integrator and summing-amplifier designs, as well as conventional closed-loop feedback circuits. Because both amplifiers share one package, matching of channel behavior can be beneficial in precision audio, instrumentation, and analog-control products. Typical uses include audio preamplification, active filters, summing amplifiers, integrators, sensor-signal conditioning, and general feedback-based analog stages. The dual topology is especially useful when a board needs two gain stages with a common supply arrangement. The 8-pin Mini DIP through-hole package is also convenient for legacy equipment, educational circuits, and repair applications where a surface-mount footprint would be unsuitable. Designers should verify the exact supply-voltage, input-voltage, output-current, gain-bandwidth, input-offset, and output-swing limits from the manufacturer datasheet before finalizing a new design. Input and output stability must also be checked with the selected feedback network and load. Because through-hole devices can be affected by socket contact resistance, lead oxidation, and longer analog traces, prototype measurements are recommended before production use. This page combines the verified manufacturer and distributor information for MC1458N with package-aware replacement guidance, application context, comparison parameters, and practical design notes. It distinguishes confirmed device characteristics from electrical details that still require verification from the current manufacturer datasheet.

Devis Contact
MC1458P - Dual 1 MHz 30 V Operational Amplifier | Texas Instruments
MC1458P

MC1458P - Dual 1 MHz 30 V Operational Amplifier | Texas Instruments

The Texas Instruments MC1458P is a dual general-purpose operational amplifier in an 8-pin PDIP package, providing two amplifier channels per device. The verified manufacturer data identifies the MC1458 family as a dual, 30 V, 1 MHz operational amplifier, while the MC1458P ordering information identifies the P suffix as the 8-pin PDIP configuration. The amplifiers are designed for conventional analog signal conditioning, including voltage-follower, amplifier, comparator, summing, and general feedback applications. The manufacturer datasheet states that the devices have a high common-mode input voltage range, no latch-up, short-circuit protection, and internal frequency compensation, allowing operation without external compensation components in standard closed-loop configurations. The absence of offset-null capability distinguishes the MC1458 family from the µA741-style devices with null pins, so applications requiring external offset adjustment should use an alternative amplifier with offset-null access. The MC1458P is not a rail-to-rail input or output device based on the verified source information; the available manufacturer description instead emphasizes its wide common-mode input voltage range and high operating voltage. With a 30 V maximum supply framework and 1 MHz gain-bandwidth capability, the device is suitable for audio, instrumentation, industrial control, test and measurement, and general-purpose analog circuits. The internally compensated architecture and short-circuit protection simplify implementation in designs requiring two amplifier channels in one package. Engineers should verify input and output voltage limits, common-mode range, output-current capability, noise, offset, slew rate, and supply-current requirements against the current manufacturer datasheet before production release. This page combines the verified manufacturer and distributor descriptions with package-specific ordering information, practical design notes, and verified cross-reference candidates for engineers evaluating a DIP-8 operational-amplifier replacement.

Devis Contact
MC1458PS - Dual 30V 1MHz Op Amp | Texas Instruments
MC1458PS

MC1458PS - Dual 30V 1MHz Op Amp | Texas Instruments

The Texas Instruments MC1458PS is a dual general-purpose operational amplifier with two internally compensated amplifier channels, a 30 V rating, and a 1 MHz gain-bandwidth product in an 8-pin SOIC package. The MC1458 family combines short-circuit protection, wide common-mode and differential input-voltage ranges, low power consumption, and latch-up-free operation. An operational amplifier is an analog integrated circuit that uses high-gain differential amplification to compare and amplify small voltage differences. The MC1458 belongs to the general-purpose operational-amplifier family within the broader analog IC and semiconductor hierarchy. Its two channels can operate independently for signal conditioning, voltage following, summing, integration, or other feedback-based amplifier configurations. Each MC1458 channel offers a 1 MHz gain-bandwidth product, 500 V/ms slew rate, and 90 dB common-mode rejection in the supplied product data. The reported input bias current is 1.5 µA, input offset current is 200 nA, and typical input offset voltage is 6 mV. Internal frequency compensation eliminates the need for external compensation components in the manufacturer's standard voltage-follower application. The MC1458 architecture is intended for general-purpose precision amplification rather than high-speed or rail-to-rail operation. Its wide common-mode input range makes it suitable for conventional bipolar-supply circuits, while the absence of latch-up improves robustness during power sequencing and input-overvoltage events. Short-circuit protection helps limit output current when an output is overloaded, although sustained short-circuit duration and internal current limits should be confirmed in the manufacturer datasheet. Typical uses include audio preamplification, summing amplifiers, active filters, sensor-signal conditioning, industrial control blocks, and general voltage-following circuits. Two amplifiers in one package can reduce component count and simplify dual-channel or differential signal-path layouts. The commercial MC1458PS temperature grade is 0 °C to +70 °C, making it appropriate for room-temperature industrial and consumer equipment rather than exposed automotive or extreme-temperature installations. PCB design should reserve adequate copper around the supply pins and route each channel's feedback components close to the associated amplifier pins to reduce parasitic feedback and instability. Decoupling capacitors should be placed directly between each supply pin and ground. Because this is a non-rail-to-rail, bipolar general-purpose amplifier, input and output common-mode headroom must be checked against the actual supply voltages. This page combines verified manufacturer and distributor information, drop-in family alternatives, package and pinout details, application guidance, and design notes to provide more implementation context than the basic distributor catalog entry.

Devis Contact
MC1458PSR - Dual 30V 1MHz Op Amp | Texas Instruments (Tape & Reel)
MC1458PSR

MC1458PSR - Dual 30V 1MHz Op Amp | Texas Instruments (Tape & Reel)

The Texas Instruments MC1458PSR is a dual general-purpose operational amplifier with two internally compensated amplifier channels, a 30 V rating, and a 1 MHz gain-bandwidth product in an 8-pin SOIC package. The MC1458 family combines short-circuit protection, wide common-mode and differential input-voltage ranges, low power consumption, and latch-up-free operation. An operational amplifier is an analog integrated circuit that uses high-gain differential amplification to compare and amplify small voltage differences. The MC1458 belongs to the general-purpose operational-amplifier family within the broader analog IC and semiconductor hierarchy. Its two channels can operate independently for signal conditioning, voltage following, summing, integration, or other feedback-based amplifier configurations. Each MC1458 channel offers a 1 MHz gain-bandwidth product, 500 V/ms slew rate, and 90 dB common-mode rejection in the supplied product data. The reported input bias current is 1.5 µA, input offset current is 200 nA, and typical input offset voltage is 6 mV. Internal frequency compensation eliminates the need for external compensation components in the manufacturer's standard voltage-follower application. The MC1458 architecture is intended for general-purpose precision amplification rather than high-speed or rail-to-rail operation. Its wide common-mode input range makes it suitable for conventional bipolar-supply circuits, while the absence of latch-up improves robustness during power sequencing and input-overvoltage events. Short-circuit protection helps limit output current when an output is overloaded, although sustained short-circuit duration and internal current limits should be confirmed in the manufacturer datasheet. Typical uses include audio preamplification, summing amplifiers, active filters, sensor-signal conditioning, industrial control blocks, and general voltage-following circuits. Two amplifiers in one package can reduce component count and simplify dual-channel or differential signal-path layouts. The commercial MC1458PSR temperature grade is 0 °C to +70 °C, making it appropriate for room-temperature industrial and consumer equipment rather than exposed automotive or extreme-temperature installations. PCB design should reserve adequate copper around the supply pins and route each channel's feedback components close to the associated amplifier pins to reduce parasitic feedback and instability. Decoupling capacitors should be placed directly between each supply pin and ground. Because this is a non-rail-to-rail, bipolar general-purpose amplifier, input and output common-mode headroom must be checked against the actual supply voltages. This page combines verified manufacturer and distributor information, drop-in family alternatives, package and pinout details, application guidance, and design notes to provide more implementation context than the basic distributor catalog entry.

Devis Contact
MC14600P - Low-Power CMOS Alarm IC w/ Horn Driver | NXP DIP-16
MC14600P

MC14600P - Low-Power CMOS Alarm IC w/ Horn Driver | NXP DIP-16

The NXP MC14600P is a low-power CMOS alarm IC with integrated piezoelectric horn driver and LED driver, housed in a 16-pin DIP (through-hole) package. It is engineered to convert an analog alarm-level voltage condition into a tone output for a piezo horn and/or an LED indicator with extremely low average current draw, making it ideally suited to long-life battery-operated alarm systems. The part integrates a low-battery detection feature that monitors supply voltage and a minimal external RC network to configure its operating thresholds. An alarm IC is a specialized consumer circuit in the broader semiconductor family of alarm and supervisory ICs (alarm IC -> supervisory circuit -> power management IC). Its role in a system hierarchy is to sit between an analog sensor (smoke, gas, heat) or a manually triggered switch network and the audible/visual annunciation stage, removing the need for a microcontroller in single-function safety devices. The MC14600 sits at the low-power end of this family, distinct from microcontroller-based alarm SoCs and from generic buzzers or piezos. Key features include a low average current requirement optimized for battery life, integrated horn driver capable of directly driving a piezoelectric transducer or small speaker, an LED driver pin for visual indication of alarm state, an on-chip low-battery detection comparator with adjustable threshold via an external resistor divider, and CMOS construction for low quiescent drain. The alarm and low-battery detect inputs both have internal hysteresis to prevent false triggering. Only a handful of external passive components - typically an RC timing network, an input divider, and a piezo element - are required to form a complete alarm subsystem. Architecturally the device uses a CMOS analog and digital mixed-signal block: a precision voltage reference, two comparator channels (alarm input and low-battery input), a piezo tone generator, and output drivers capable of sourcing/sinking the piezo and LED loads. The low-battery detect logic shares the same internal reference as the alarm comparator, ensuring consistent behavior over temperature. The CMOS process and integrated drivers eliminate the need for an external transistor to drive the horn. Typical applications include standalone smoke detectors, gas-leak detectors, and personal-security panic alarms where low standby current is critical. Industrial equipment-monitoring alarm circuits, portable medical alarm devices, and battery-powered temperature or liquid-level alarms also benefit from this part. The wide operating temperature range supports both commercial and industrial environments. Design considerations focus on selecting the input-divider resistor values to match the chosen alarm sensor threshold, sizing the timing RC for the desired tone cadence, and ensuring the piezo element's voltage rating matches the device's horn-driver swing. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond the basic datasheet pinout table.

Devis Contact
MC1488D - Quad EIA-232D Driver | onsemi | RS-232 Interface
MC1488D

MC1488D - Quad EIA-232D Driver | onsemi | RS-232 Interface

The onsemi MC1488D is a monolithic four-channel EIA-232D line driver with a 14-pin SOIC package. It provides four current-limited differential outputs intended to interface data terminal equipment with data communications equipment, with typical output current limited to ±10 mA and a minimum power-off source impedance of 300 ohms. An EIA-232D line driver is a type of RS-232 interface driver that converts logic-level signals into the voltage-domain signals used by RS-232 communications equipment. Within the broader hierarchy, it is a line driver and interface IC within communications and power-management signal conditioning. Its four channels allow one package to support several unidirectional data paths when the system already provides the required receiver and supply circuitry. Key features include four independent driver channels, typical current-limited output of ±10 mA, and a minimum power-off source impedance of 300 ohms. The current limiting helps control output current when a receiver or connected circuit imposes an abnormal load. The MC1488D also provides simple slew-rate control, an important characteristic for reducing unwanted transitions on slow RS-232 links. Technically, the device is designed around the EIA-232D interface requirements identified in the onsemi datasheet. Because MC1488D contains drivers rather than receivers, it cannot replace a complete RS-232 transceiver without external receiver circuitry. In a typical interface, logic signals enter the driver inputs and leave through four EIA-232D output channels. The receiver and any required level translation are separate functions. Typical uses include legacy RS-232 ports, data terminal equipment, data communications equipment, industrial control interfaces, and embedded systems that retain an EIA-232D connection. The MC1488D is also useful as the transmit-side element in a multi-channel interface where a companion receiver IC is already present. Designers should verify the supported supply voltage, input thresholds, output levels, timing, and absolute maximum ratings directly against the manufacturer datasheet before implementation. PCB layout should preserve short output paths, provide an appropriate ground reference, and avoid placing sensitive analog signals beside the driver outputs. This page combines verified manufacturer and distributor information, source-backed drop-in candidates, interface-selection guidance, and practical PCB considerations to provide engineering context beyond a basic MC1488D catalog listing.

Devis Contact
MC1488DG - Quad EIA-232D Driver | onsemi | RS-232 Interface
MC1488DG

MC1488DG - Quad EIA-232D Driver | onsemi | RS-232 Interface

onsemi MC1488DG is a monolithic quad line driver designed to interface data terminal equipment with data communications equipment using the EIA-232D standard. The device provides four driver channels, operates from a 5 V supply, and uses a 14-pin SOIC package. Its typical output current is ±10 mA per channel, with current limiting built into the outputs. The MC1488DG is intended for RS-232 transmitter functions rather than receiver functions, so it must be paired with a suitable quad receiver when full bidirectional communication is required. An EIA-232D line driver is a type of interface transceiver component that converts logic-level signals into RS-232 voltage levels for transmission between data terminal equipment and data communications equipment. In the broader hierarchy, MC1488DG belongs to the interface IC category, specifically the RS-232 driver family. Its quad-channel architecture reduces the component count in systems requiring several serial data outputs while preserving the signal and power connection conventions established for EIA-232D equipment. The principal features of MC1488DG include four independent driver outputs, integrated output current limiting, and a typical output current capability of ±10 mA. The driver is designed for conformance with EIA-232D interface requirements, and its monolithic construction places the driver functions in one 14-pin SOIC package. The design supports equipment requiring multiple RS-232 transmit channels, including computer peripherals, industrial data links, test equipment, and legacy communications equipment. Technically, the MC1488 belongs to the family of bipolar RS-232 line drivers that use positive and negative supply rails to develop the bipolar voltage levels required by the interface standard. The MC1488 data also identifies SN55188 and SN75188 as related monolithic quadruple line drivers. Because MC1488DG is a driver-only device, engineers should check signal levels, supply requirements, output polarity, and protection needs against the original system interface before using it in a redesigned board. Typical applications include industrial serial-port controllers, laboratory instrumentation, point-of-sale terminals, data acquisition equipment, and embedded systems that retain an RS-232 output interface. In a multi-channel design, each logic input can drive a corresponding RS-232 output, while a separate receiver IC handles incoming signals. This separation is important because the MC1488 provides four transmit channels but no integrated receive channels. A key design consideration is to preserve the original board footprint and verify every pin assignment before substitution. The 14-pin SOIC package is suitable for conventional surface-mount assembly, but RS-232 cables connect to externally exposed connector pins rather than directly to the IC. External protection, grounding, connector geometry, and cable-routing decisions remain necessary to achieve reliable system-level communications. This page combines the verified manufacturer and distributor references for MC1488DG with package information, interface intent, sourcing links, and identified pin-compatible alternatives. It also distinguishes the driver-only MC1488DG from complete RS-232 transceiver functions, helping engineers select the correct replacement without confusing interface direction or package compatibility.

Devis Contact
MC1488M - Quad EIA-232D Driver, SOIC-14 | onsemi
MC1488M

MC1488M - Quad EIA-232D Driver, SOIC-14 | onsemi

onsemi MC1488M is a monolithic quad line EIA-232D driver with four current-limited outputs, supplied in a 14-pin SOIC package. The device provides typical output currents of ±10 mA and a minimum power-off source impedance of 300 Ω. It is designed to interface data terminal equipment with data communications equipment using the EIA-232D signal convention. An EIA-232D line driver is a transmitter within the broader interface IC and RS-232 transceiver categories. Its role is to convert logic-level transmit signals into bipolar voltage levels suitable for EIA-232D communication links. The MC1488M contains four independent driver channels, allowing one package to support multiple serial-data outputs in equipment such as modems, computer interfaces, industrial communications equipment, and legacy peripheral systems. The principal features of the MC1488M include four driver channels, typical current-limited output capability of ±10 mA, a 300 Ω minimum power-off source impedance, and EIA-232D interface conformance. Its 14-pin SOIC package supports surface-mount PCB assembly while reducing the footprint required by a discrete transistor driver arrangement. The M suffix identifies the surface-mount ordering variant presented by onsemi. Internally, the MC1488M combines four line-driver stages with supply-voltage protection arrangements described in the associated device literature. Its monolithic construction provides a practical alternative to separate transistor or MOSFET driver circuits. Because the output stage is designed to source and sink current rather than operate as a logic-level CMOS output, the circuit should be evaluated as an EIA-232D interface stage, not as a general-purpose push-pull logic driver. Typical uses include four-channel RS-232 transmit ports, data terminal equipment, data communications equipment, printer interfaces, and industrial data links. Designers combining this driver with a receiver can construct a complete asymmetric RS-232 interface. The component is especially relevant to legacy systems that require more than two independently driven EIA-232D outputs while retaining a surface-mount footprint. The primary design consideration is the external interface network and supply arrangement. EIA-232D implementations commonly use series resistors and capacitive or diode-clamped protection to manage transient conditions, while supply bypassing must be placed close to the device. Engineers should also verify receiver compatibility, cable requirements, logic levels, and all electrical limits against the manufacturer datasheet before substituting the part into a live design. This product page consolidates the verified manufacturer and distributor information for MC1488M with package details, sourcing guidance, practical design notes, and a strict assessment of available drop-in alternatives. Where the supplied source material does not establish an exact same-package replacement, the page identifies that limitation instead of presenting an unverified substitution as drop-in compatible.

Devis Contact
MC1488MG - Quad EIA-232D Driver | onsemi | RS-232
MC1488MG

MC1488MG - Quad EIA-232D Driver | onsemi | RS-232

The onsemi MC1488MG is a monolithic four-channel RS-232 line driver with a 4/0 driver-to-receiver configuration, current-limited outputs rated at ±10 mA typical, and a 14-pin gull-wing SOIC package. It is designed for data-terminal equipment and data-communications equipment that require an EIA-232D-compatible transmit interface. The MC1488MG is identified as the commercial extended-temperature grade in distributor and catalog records. An RS-232 line driver is an interface IC that converts digital logic-level signals into unbalanced, bipolar voltage levels suitable for serial data links. Within the signal-chain hierarchy, it belongs to the RS-232 interface-driver family, combines with an RS-232 receiver to form a complete communications path, and ultimately provides the physical-layer function required between data terminal equipment and data communications equipment. Unlike a transceiver, the MC1488MG provides four driver channels and no receiver channels. The primary verified characteristics are four independently available line-driver outputs, EIA-232D conformance, typical current limiting of ±10 mA, a 14-pin SOIC package with gull-wing leads, and a commercial extended temperature grade. The output current limit protects the driver stage when a connected RS-232 line is shorted or misconfigured. Because four transmit channels are provided, one device can support four RS-232 outputs while reducing the number of external line-driver packages required. The MC1488MG is intended for legacy and industrial serial-control equipment where EIA-232D signaling remains required. Appropriate uses include multi-port controller interfaces, equipment test systems, point-to-point serial links, and control panels. The device requires suitable bypass capacitance and careful grounding because the implemented system also depends on cable characteristics, receiver thresholds, protection networks, and the voltage levels allowed by the selected RS-232 endpoint. For new designs, engineers should verify signal polarity, baud rate, logic thresholds, and electrical limits against the current manufacturer datasheet before layout release. The supplied search results confirm the EIA-232D driver function, four-output organization, ±10 mA typical output current, and 14-pin SOIC format, but several detailed timing, voltage, temperature, and absolute-maximum values were not included in the retrieved records. This page combines verified distributor and manufacturer-linked information, structured technical context, pin-compatible replacement guidance, and practical sourcing notes. It also separates confirmed electrical facts from parameters that require datasheet verification, helping engineers avoid assigning unsupported specifications to this legacy-compatible RS-232 interface device.

Devis Contact
MC1488N - Quadruple RS-232 Line Driver | Texas Instruments
MC1488N

MC1488N - Quadruple RS-232 Line Driver | Texas Instruments

Texas Instruments MC1488N is a monolithic quadruple RS-232 line driver with four driver channels, 10 mA typical current-limited output, and a minimum 300 ohm power-off output impedance. Designed for data-terminal equipment and data-communications equipment interfaces, the device operates from a 5 V supply in a 14-pin PDIP package rated for 0 to 70 degrees C. A line driver is a digital interface circuit that converts low-voltage logic signals into RS-232-compatible voltage levels. The MC1488 belongs to the RS-232 driver hierarchy, where a line driver interfaces data-terminal equipment with data-communications equipment. Its four channels allow one package to support four unidirectional serial data paths, reducing component count in multi-port or multi-channel RS-232 equipment. The device is designed to meet or exceed ANSI EIA/TIA-232-E and ITU Recommendation V.28 requirements. According to the Texas Instruments manufacturer datasheet, each output includes current limiting, and the power-off output impedance is at least 300 ohms. A series diode is used at each supply-voltage terminal, while the output slew rate can be controlled through the load capacitance connected to each driver. The MC1488N is designed to be interchangeable with the Motorola MC1488, which supports PCB sourcing flexibility where the original function is required. The manufacturer datasheet identifies the MC1488, SN55188, and SN75188 as monolithic quadruple line drivers, but device ordering suffixes, temperature ranges, and package variants must still be checked before substitution. The N suffix identifies the 14-pin PDIP configuration shown in the verified Texas Instruments part-details data. Typical uses include RS-232 interfaces in data-terminal equipment, data-communications equipment, industrial control systems, point-of-sale equipment, printers, and legacy serial-port adapters. It is particularly useful where multiple RS-232 channels share a common logic interface and a through-hole package is preferred for serviceability or manual assembly. PCB layout should keep each driver output away from sensitive analog and high-speed digital traces because RS-232 transitions can produce edge-related EMI. The data input pins must be driven only when the supply is valid, and unused outputs should be handled according to the manufacturer datasheet rather than left as floating high-impedance nodes. Confirm output polarity and logic levels before interchanging it with a receive/transceiver device.

Devis Contact
MC1488NE4 - Quad RS-232 Line Driver 300kbps | Texas Instruments
MC1488NE4

MC1488NE4 - Quad RS-232 Line Driver 300kbps | Texas Instruments

The Texas Instruments MC1488NE4 is a quadruple RS-232 line driver with four independent drivers rated for data rates up to 300 kb/s, operating from dual supplies of 7.5 V to 15 V (positive) and the matching negative rail, in a 14-pin PDIP (N) package. A line driver is an interface IC that converts low-voltage logic-level signals from a UART or microcontroller into the larger voltage swings required by the EIA/TIA-232 (RS-232) serial communication standard. Within the signal-chain hierarchy, it sits between the digital controller and the physical serial cable, and forms a driver-receiver pair with companion parts such as the MC1489 quadruple line receiver. RS-232 remains common in industrial equipment, point-of-sale terminals, and legacy instrumentation despite newer USB and Ethernet links. The MC1488NE4 provides four drivers in one package, each with TTL/CMOS-compatible inputs and RS-232-level outputs. Output signal swing is set by the supply rails, allowing engineers to tailor output levels via the positive and negative supplies. Typical output current capability supports driving standard RS-232 cable capacitance at data rates up to 300 kb/s, per the manufacturer datasheet. The N suffix package is molded PDIP, suited to through-hole prototypes and repair of legacy boards. Architecturally, the part uses a monolithic bipolar process. Each driver contains ainput stage, phase-splitting stage, and output structure referenced between the two supply rails, producing output swings that meet EIA-232-E voltage requirements when supplies are appropriately chosen. Series elements at the supply terminals are used in the manufacturer's typical application to improve robustness. Typical applications include UART-to-RS-232 conversion in industrial terminals, modem and DTE-to-DCE interfacing, programming and debugging ports on legacy equipment, and educational/lab serial circuits. It pairs naturally with the MC1489 or DS1489 receiver on the far end of the link. Design consideration: the MC1488 requires both a positive and a negative supply rail - systems lacking a negative rail need a charge-pump converter such as the MAX232 family or ICL232, which integrate the voltage generation. Also verify power dissipation with multiple drivers switching simultaneously. This page adds value beyond the manufacturer datasheet by synthesizing drop-in alternative cross-references (DS14C88, SN75188, SN75C188), comparison tables, and practical design notes in one place for sourcing and design engineers.

Devis Contact
MC1488P - Quad RS-232 Line Driver | STMicroelectronics
MC1488P

MC1488P - Quad RS-232 Line Driver | STMicroelectronics

The STMicroelectronics MC1488P is a monolithic quadruple RS-232 line driver with four differential driver channels in a 14-pin PDIP package. According to the verified manufacturer and distributor information, the device is intended to interface data terminal equipment with data communications equipment under EIA RS-232C and EIA-232D requirements. Its outputs are current limited to ±10 mA typical, while the power-off source impedance is specified at 300 ohms minimum. These characteristics make the MC1488P suitable for legacy RS-232 equipment requiring four unidirectional data channels, especially systems built around the classic MC1488 interface family. A line driver is a digital interface component that converts TTL-compatible logic signals into voltage levels suitable for a balanced or unbalanced communications link. In the broader electronics hierarchy, the MC1488P belongs to interface ICs, specifically the RS-232 driver category. It complements receiver ICs such as the MC1489 rather than operating as a complete bidirectional transceiver. Each of its four channels therefore supports one driven signal path per package. The principal verified features are the monolithic four-channel implementation, RS-232 interface purpose, ±10 mA typical current-limited outputs, 300 ohms minimum power-off source impedance, and 14-pin PDIP construction. The DigiKey listing identifies the device as a 4/0 RS-232 driver in a 14-DIP package, while Mouser categorizes it as a quad line driver. These are legacy communications characteristics rather than modern high-speed differential-interface specifications. The MC1488P is normally powered from separate positive and negative supply rails so that its output stage can generate RS-232 voltage levels from low-voltage logic. Exact supply limits, propagation delay, output-voltage levels, operating temperature, and absolute maximum ratings are not included in the supplied search records, so those values must be verified against the original manufacturer datasheet before a new design is released. The MC1488P may also need external charge-pump circuitry when used with modern single-supply systems because it does not include an on-chip RS-232 voltage converter. Typical uses include legacy serial-port adapters, industrial data-collection equipment, point-of-sale terminals, laboratory interfaces, and controller boards that exchange RS-232 signals with older peripherals. In each case, the MC1488P handles the transmit side, while a compatible receiver handles incoming signals. Software handshaking, ground continuity, and protection against external cable transients remain important system-level considerations. Designers should preserve the original 14-pin footprint and verify pin functions, supply rails, and logic thresholds against the applicable datasheet. Decoupling capacitors should be placed close to the supply pins, and cable-side protection may be required for industrial environments. Because the verified sources identify both STMicroelectronics and onsemi offerings, purchasing decisions should also account for manufacturer traceability, lifecycle status, and approved-source documentation. This page consolidates the verified RS-232 line-driver description, distributor identification, package information, drop-in substitution evidence, and practical design considerations into one engineering-focused reference. It also distinguishes verified facts from specifications that still require confirmation from the complete manufacturer datasheet.

Devis Contact