製品 (32725)

ST10F276-4T3 - 16-bit MCU 32MHz 832KB Flash | STMicroelectronics
ST10F276-4T3

ST10F276-4T3 - 16-bit MCU 32MHz 832KB Flash | STMicroelectronics

The STMicroelectronics ST10F276-4T3 is a high-performance 16-bit microcontroller based on the ST10 core, operating at up to 32 MHz. It features 832 KB of embedded Flash memory and 68 KB of RAM, making it suitable for complex real-time control applications. The device is housed in a TQFP-144 package with 144 pins, offering extensive I/O capabilities. A 16-bit microcontroller (MCU) is a single-chip computer with a 16-bit data path, designed for embedded control tasks. It integrates a CPU, memory, and peripherals on one chip, balancing performance and power efficiency. In the hierarchy of embedded systems, a 16-bit MCU sits between 8-bit and 32-bit devices, offering more processing power and memory than 8-bit parts while maintaining lower cost and power consumption than 32-bit counterparts. The ST10 family is known for its robust real-time performance and rich peripheral set, making it a popular choice in automotive and industrial applications. Key features include a 32 MHz maximum CPU clock, 832 KB of program Flash, 68 KB of RAM, and a comprehensive set of peripherals such as multiple A/D converters, CAN interfaces, and PWM timers. The device supports a wide operating voltage range of 4.5V to 5.5V and operates over -40°C to +125°C, suitable for harsh environments. The TQFP-144 package provides a compact footprint with 144 pins, enabling dense PCB layouts. Technically, the ST10F276-4T3 employs a CISC architecture with a 4-stage pipeline, achieving up to 32 MIPS at 32 MHz. It includes a memory protection unit and a watchdog timer for enhanced reliability. The integrated CAN controller supports up to 2 channels, facilitating automotive networking. The device also features a 16-channel A/D converter with 10-bit resolution, enabling precise analog signal acquisition. Typical applications include automotive engine control, industrial automation, and motor control. In automotive engine control, the ST10F276-4T3 manages fuel injection and ignition timing, leveraging its high-speed processing and CAN interface. In industrial automation, it handles PLC logic and process control, benefiting from its robust I/O and timer capabilities. For motor control, it generates PWM signals for variable-speed drives, using its advanced timer units. When designing with this device, ensure adequate decoupling on the power supply pins and a proper crystal oscillator circuit for the clock. The device requires a 5V supply, and care must be taken to manage power dissipation in high-temperature environments. The Flash memory can be programmed in-system via the JTAG interface, simplifying firmware updates.

USD $8.10 在庫あり
ST10F276-6QR3 - 16-bit MCU 32MHz 832KB Flash | STMicroelectronics
ST10F276-6QR3

ST10F276-6QR3 - 16-bit MCU 32MHz 832KB Flash | STMicroelectronics

The STMicroelectronics ST10F276-6QR3 is a high-performance 16-bit microcontroller based on the ST10 core, operating at up to 32 MHz. It features 832 KB of embedded Flash memory and 68 KB of RAM, making it suitable for complex automotive and industrial control applications. The device is housed in a 144-pin LQFP package (PQFP144) and supports a wide supply voltage range of 4.5V to 5.5V. A 16-bit microcontroller (MCU) is a single-chip computer with a 16-bit data path, integrating a CPU, memory, and peripherals. The ST10 family is a derivative of the Siemens 80C166 architecture, offering high instruction throughput and rich peripheral set. In the system hierarchy, a 16-bit MCU sits between 8-bit and 32-bit devices, providing a balance of performance and power efficiency for real-time control tasks. Key features include a 5-stage pipeline, 16-channel A/D converter with 10-bit resolution, 2 CAN 2.0B interfaces, 2 USARTs, and a 4-channel PWM unit. The device also includes a watchdog timer, 16 interrupt priority levels, and an on-chip bootstrap loader. The ST10 core executes most instructions in one clock cycle, achieving up to 16 MIPS at 32 MHz. The ST10F276-6QR3 is designed for harsh environments, with an operating temperature range of -40°C to +125°C. It is AEC-Q100 qualified for automotive applications, ensuring reliability under extreme conditions. The Flash memory supports in-application programming (IAP) and in-circuit programming (ICP), facilitating firmware updates in the field. Typical applications include engine control units (ECUs), transmission control, body control modules, and industrial automation systems. The dual CAN interfaces make it ideal for automotive networking, while the high-resolution ADC and PWM unit support motor control and sensor interfacing. When designing with this MCU, ensure proper decoupling of the power supply pins and a stable clock source. The device requires an external crystal or oscillator for precise timing. For EMI-sensitive designs, use the internal PLL to reduce radiated emissions.

USD $8.10 在庫あり
ST10F276Z5Q3 - 64MHz 16-bit MCU, 832KB Flash, 144-PQFP | STMicroelectronics
ST10F276Z5Q3

ST10F276Z5Q3 - 64MHz 16-bit MCU, 832KB Flash, 144-PQFP | STMicroelectronics

The STMicroelectronics ST10F276Z5Q3 is a high-performance 16-bit single-chip CMOS microcontroller from the ST10 family, delivering up to 32 MIPS at a 64 MHz CPU clock with a 50 ns instruction cycle time. It integrates a 16-bit CPU with a 4-stage pipeline, an enhanced boolean bit-manipulation unit, a single-cycle context switcher, and a Multiply/Accumulate (MAC) DSP extension featuring 16-bit multiplication and a 40-bit accumulator. The device is housed in a 144-pin PQFP package measuring 28 x 28 mm and integrates 832 Kbytes of on-chip Flash memory alongside 68 Kbytes of on-chip RAM. A 16-bit microcontroller (MCU) is a programmable processor with a 16-bit data path, ALU, and register file. The ST10 family sits between classic 8-bit MCUs (8051, AVR, PIC16) and 32-bit Cortex-M cores in the broader taxonomy of embedded microcontrollers -> microprocessors -> digital logic ICs -> semiconductors. 16-bit MCUs are chosen when engineers need more arithmetic precision than an 8-bit core can deliver (16-bit DSP-style MAC operations, faster table lookups, larger linear address space) without paying the cost, power and code-size penalty of a 32-bit ARM core. Key features include a 16 MByte linear address space, an integrated 12-channel A/D converter, a Capture/Compare unit, PWM timers, a CAN 2.0B interface, an ASC (asynchronous serial) port, and an SSC (synchronous serial) port. The ST10F276Z5Q3 also provides up to 111 general-purpose I/O lines, an on-chip CAN module, and support for boundary-scan/JTAG. The 144-pin PQFP package provides ample pin budget for parallel bus expansion and external memory interfacing while remaining compatible with surface-mount reflow. Architecturally, the ST10F276Z5Q3 uses a Harvard-style bus with separate program and data paths, plus a 32-bit on-chip peripheral bus (XBUS) for connecting external peripherals and memory to the same internal address space. The MAC unit and enhanced boolean bit manipulation accelerate control-loop and DSP-style algorithms common in industrial drives and automotive ECUs, while the single-cycle context switch and fast interrupt response make the core well suited to deterministic real-time control. Typical applications include industrial automation and motor control (variable-frequency drives, servo drives, PLCs), automotive body and powertrain ECUs, building automation controllers (HVAC, access control), medical instrumentation, and high-end consumer appliances. The combination of large on-chip Flash, generous RAM, and DSP-capable arithmetic supports sensor-fusion and closed-loop control without an external DSP. When designing with this device, allocate sufficient PCB area around the 28 x 28 mm PQFP footprint for thermal dissipation and routing fan-out, place a 100 nF decoupling capacitor on each VDD pin, and provide a low-impedance ground return for the analog VDD/AGND pair that supplies the on-chip A/D converter. Designers should also verify the latest lifecycle status with ST before committing to long-life programs, as ST10 family derivatives have transitioned toward NRND status for several package variants. This page synthesizes distributor pricing, datasheet specifications, package pinout, drop-in same-family alternatives and practical design notes not found in the manufacturer datasheet alone.

USD $18.75 在庫あり
ST10F276Z5T3 - 16-Bit 40MHz MCU 832KB Flash LQFP-144 | STMicroelectronics
ST10F276Z5T3

ST10F276Z5T3 - 16-Bit 40MHz MCU 832KB Flash LQFP-144 | STMicroelectronics

The STMicroelectronics ST10F276Z5T3 is a 16-bit single-chip CMOS microcontroller from the ST10 family, featuring a 40 MHz CPU clock, 832 Kbytes of on-chip Flash memory, and up to 68 Kbytes of RAM, packaged in a 144-pin LQFP (LQFP-144). It integrates a high-performance 16-bit CPU with DSP functions, a 16-bit hardware multiply/accumulate (MAC) unit with a 40-bit accumulator, and enhanced boolean bit-manipulation instructions that achieve up to 32 MIPS at the maximum 40 MHz CPU clock with a 50 ns instruction cycle time. The device also supports single-cycle context switching for fast interrupt response. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program and data memory, peripherals, and I/O on a single die. The ST10 family belongs to the CISC/RISC hybrid 16-bit MCU segment, sitting hierarchically above 8-bit MCUs (8051) and below 32-bit ARM Cortex-M MCUs in embedded processing taxonomy. ST10F276Z5T3 includes a CAN on-chip programmable CAN 2.0B interface, making it part of the broader embedded microcontrollers -> microcontrollers -> embedded processors and controllers -> integrated circuits hierarchy of electronic components. Its CISC/RISC architecture balances deterministic interrupt latency with DSP-class arithmetic throughput. Key differentiating features include the hardware MAC unit enabling single-cycle 16-bit multiplication, the 832 KByte Flash for application storage, and an integrated CAN 2.0B controller. The 144-pin LQFP package provides generous I/O count suitable for automotive body, chassis, and industrial control applications. The device supports single 5 V supply operation, with on-chip voltage regulation supporting both 5 V and 3.3 V I/O. Programming is supported via the bootstrap loader and standard JTAG/OCDS debug. Typical applications include automotive body controllers, industrial automation PLCs, motor control, HVAC systems, and CAN-connected sensor hubs where deterministic real-time response is required. The MAC unit accelerates field-oriented control (FOC) loops in motor drives, while the large Flash/RAM ratio supports protocol stacks such as J1939 or CANopen at the application layer. When designing with the ST10F276Z5T3, ensure proper decoupling on the 5 V rail with bulk plus 100 nF ceramic capacitors adjacent to each supply pair, and follow STMicroelectronics AN2409 PCB layout guidelines for EMC compliance on automotive platforms. Note that ST officially marks the device as NRND - prefer the ST10F276Z5T6 or STM32F3 series for new designs. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $35.90 在庫あり
ST10R167-Q3 - 16-Bit 25MHz ROMless MCU | STMicroelectronics
ST10R167-Q3

ST10R167-Q3 - 16-Bit 25MHz ROMless MCU | STMicroelectronics

The STMicroelectronics ST10R167-Q3 is a 16-bit ROMless CMOS microcontroller from the ST10 family, running at up to 25 MHz with an 80 ns instruction cycle time and 12.5 MIPS throughput, housed in a 144-pin PQFP (28x28 mm) surface-mount package. It integrates 4 KB of on-chip high-speed RAM, one CAN 2.0B interface, 16 channels of 10-bit A/D conversion, and 111 general-purpose I/O lines, with program code fetched from external memory. A ROMless microcontroller is a member of the microcontroller (MCU) hierarchy that contains no internal non-volatile program memory; it executes code stored in external EPROM, flash, or EEPROM devices. Within the power-management-of-compute hierarchy, the ST10R167-Q3 sits in the 16-bit embedded microcontroller class, positioned above simple 8-bit MCUs and below 32-bit parts, making it a classic choice for real-time embedded control systems that need external, field-updatable firmware. Key differentiating features include the 4-stage pipelined 16-bit CPU delivering 12.5 MIPS, enhanced boolean bit-manipulation facilities, additional instructions supporting high-level languages and operating systems, on-chip PLL clock generation from a low-frequency crystal, a high-speed synchronous serial channel (SSC), and the CAN 2.0B module for robust vehicle and industrial networking. According to the STMicroelectronics datasheet, the device operates from a 4.5V to 5.5V supply over a -40C to +125C temperature range (the Q3 suffix grade). Architecturally, the ST10R167 derives from the proven ST10 (SAB 80C166-derived) family, combining a fast Harvard-style memory structure with a rich peripheral event controller that handles interrupt-driven I/O with minimal CPU overhead. The external bus interface supports multiplexed or demultiplexed modes, letting designers size code memory to the application. Typical applications include automotive engine management and body electronics, industrial motor control and automation, communication equipment, and instrumentation systems where 16-bit real-time performance plus CAN connectivity are required. A key design consideration is that the ROMless architecture mandates external program memory: budget bus timing, wait states, and PCB routing for the external bus, and verify that the 4 KB on-chip RAM is sufficient for data and stack in your real-time workload. This page adds engineering value beyond the manufacturer datasheet by compiling drop-in family alternatives, pricing context, design notes, and application guidance in one structured, machine-readable resource.

USD $16.40 在庫あり
ST21NFCJ - NFC Controller IC, 13.56MHz, ISO 14443/15693/18092
ST21NFCJ

ST21NFCJ - NFC Controller IC, 13.56MHz, ISO 14443/15693/18092

The STMicroelectronics ST21NFCJ is a single near-field communication (NFC) controller IC designed for integration in mobile devices and NFC-compliant products, supporting the three standard NFC operating modes—Card Emulation, Reader/Writer, and Peer-to-Peer communication—at a carrier frequency of 13.56 MHz. It comes in a compact WFBGA-75 wafer-level package and operates from a supply voltage of 2.4 V to 5 V, providing designers with the flexibility to power it from a single-cell Li-ion battery or a regulated 3.3 V / 5 V rail. NFC controllers are mixed-signal ICs that combine a 13.56 MHz RF front end, a digital protocol stack, and a host interface to bring contactless functionality to consumer and industrial electronics. The ST21NFCJ belongs to the broader family of secure microcontrollers and contactless interface ICs, sitting alongside secure-element devices such as the ST33 family, and supporting the same ISO 14443 Type A/B, ISO 15693, ISO 18092 (NFCIP-1), and NFC Forum tag-type (MIFARE) standards. Key features include support for all three NFC modes (CE, R/W, P2P), compliance with ISO/IEC 14443 Type A and B, ISO/IEC 15693, ISO/IEC 18092, and NFC Forum tag types, plus a high-efficiency RF front-end. The device exposes both I2C and SPI host interfaces, allowing it to be paired with application processors from ST (STM32), Qualcomm, MediaTek, and other mobile-platform MPUs without glue logic. Internal firmware handles collision resolution, modulation depth control, and automatic gain control on the reader side. Architecturally, the IC combines an ARM Cortex-M-class microcontroller core (running the ST NFC firmware stack), a dedicated analog RF block, and a crypto-accelerator for MIFARE Classic and ISO 14443-4 secure sessions. The internal voltage regulator allows direct connection to a 5 V supply, simplifying power-tree design in point-of-sale terminals and embedded card readers. Typical applications include contactless payment terminals, transit ticketing hardware, mobile-phone NFC peripherals, secure access readers, and point-of-sale accessories. The wide 2.4 V-5 V supply window supports battery-powered wearables as well as USB-powered retail terminals. Designers should route the antenna matching network as close to the package bumps as possible, and verify RF performance with the evaluation board and NFC Forum analyzer tools to ensure compliance. The host I2C/SPI lines must be pulled up to the host MCU VCC, not to the ST21NFCJ supply, when the two rails differ. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers shortlist alternatives and quickly understand where the ST21NFCJ fits in the overall NFC IC landscape.

見積もり 在庫あり
ST3232BDR - 3.3V RS-232 Transceiver, 2 Drivers/2 Receivers | STMicroelectronics
ST3232BDR

ST3232BDR - 3.3V RS-232 Transceiver, 2 Drivers/2 Receivers | STMicroelectronics

The ST3232BDR is a low-power, 3.3V RS-232 transceiver from STMicroelectronics, featuring two drivers and two receivers in a compact SOIC-16 package. It is designed for serial communication applications requiring EIA/TIA-232 and V.28/V.24 compatibility, with a data rate of up to 400 kbps. The device operates from a single 3.0V to 5.5V supply, making it ideal for battery-powered and portable systems. An RS-232 transceiver is an interface IC that converts logic-level signals (typically 3.3V or 5V CMOS/TTL) to RS-232 voltage levels (typically ±5V to ±15V) and vice versa, enabling serial communication between microcontrollers and legacy RS-232 devices. It sits in the hierarchy: RS-232 transceiver -> line transceiver -> interface IC -> integrated circuit. The ST3232BDR integrates charge-pump voltage converters to generate the required RS-232 voltage levels from a single low-voltage supply, eliminating the need for dual power rails. Key features include a 3.0V to 5.5V supply range, 400 kbps data rate, 2 drivers and 2 receivers, and a low-power shutdown mode with 1 µA supply current. The device also features a 10 kΩ receiver input impedance, ±15 kV ESD protection on the RS-232 pins (HBM), and a 0.1 µF external capacitor requirement for the charge pump. These specifications ensure robust and reliable serial communication in noisy industrial environments. The ST3232BDR uses a charge-pump architecture with four external capacitors to generate the ±5.5V RS-232 voltage levels from the 3.3V supply. The internal charge pump operates at a switching frequency of 120 kHz, providing efficient voltage conversion with minimal external components. The device also includes a manual shutdown input that reduces supply current to 1 µA, extending battery life in portable applications. Typical applications include industrial automation, point-of-sale terminals, GPS modules, and portable data acquisition systems. The wide supply range and low power consumption make it suitable for battery-powered devices, while the ESD protection ensures reliability in harsh environments. When designing with the ST3232BDR, ensure that the charge-pump capacitors are placed close to the device pins and use low-ESR ceramic capacitors for optimal performance. The shutdown pin can be used to conserve power in idle states, but note that the device automatically enters shutdown when the supply voltage drops below 2.7V.

USD $0.75 在庫あり
ST3232EBDR - 3.3V RS-232 Transceiver, 15kV ESD | STMicroelectronics
ST3232EBDR

ST3232EBDR - 3.3V RS-232 Transceiver, 15kV ESD | STMicroelectronics

The ST3232EBDR is a dual RS-232 line transceiver from STMicroelectronics, designed for 3.3V to 5V supply operation. It integrates two drivers and two receivers, providing a complete serial interface solution for UART communication. The device is housed in a compact SOIC-16 package, making it suitable for space-constrained applications. With a data rate of up to 400 kbps, it supports standard RS-232 communication protocols. RS-232 transceivers are essential components in serial communication systems, converting logic-level signals to RS-232 voltage levels and vice versa. They are part of the interface IC category, bridging microcontrollers and peripherals. The ST3232EBDR operates from a single 3.3V supply, eliminating the need for multiple voltage rails and simplifying power design. Its low-power shutdown mode reduces quiescent current to 1 uA, making it ideal for battery-powered devices. Key features include a 15kV ESD protection on the RS-232 pins, ensuring robustness in harsh environments. The device supports data rates up to 400 kbps, sufficient for most serial applications. It includes an internal charge pump that generates the required ±5.5V RS-232 voltage levels from a single 3.3V supply, eliminating the need for external dual supplies. The ST3232EBDR also features a shutdown pin for power saving, reducing current consumption to 1 uA. Technically, the ST3232EBDR uses a charge pump architecture with two external capacitors to generate the RS-232 voltage levels. The device is designed to meet EIA/TIA-232E and ITU-T V.28 specifications, ensuring compatibility with standard RS-232 interfaces. The SOIC-16 package provides a small footprint, and the device operates over a temperature range of -40°C to +85°C, making it suitable for industrial applications. Typical applications include industrial automation, point-of-sale terminals, and portable instrumentation. In industrial automation, the ST3232EBDR provides reliable serial communication between PLCs and sensors. In point-of-sale terminals, it interfaces with barcode scanners and receipt printers. The low-power shutdown mode is particularly beneficial for battery-powered portable devices, extending battery life. When designing with the ST3232EBDR, ensure proper decoupling with a 0.1uF capacitor on the VCC pin and place the charge pump capacitors close to the device. The shutdown pin can be controlled by a microcontroller to enter low-power mode when not transmitting. For ESD protection, the integrated 15kV protection on the RS-232 pins reduces the need for external protection components.

USD $0.75 在庫あり
ST3243ECTR-E - 3V-5.5V RS-232 Transceiver | STMicroelectronics
ST3243ECTR-E

ST3243ECTR-E - 3V-5.5V RS-232 Transceiver | STMicroelectronics

The STMicroelectronics ST3243ECTR-E is a 3-driver/5-receiver RS-232 transceiver with integrated ±15kV ESD protection, operating from a 3V to 5.5V single supply and housed in a 28-pin TSSOP (0.001 × 0.001 mm) tape-and-reel package. It supports data rates up to 400 kbps, includes a dual charge-pump circuit that generates the required RS-232 voltage levels (±5.5V) from a single supply rail, and features an auto power-down function for battery-powered applications. The device meets EIA/TIA-232 and V.28/V.24 communication standards. An RS-232 transceiver is a line driver/receiver IC that translates logic-level (typically 0 V / 3.3 V or 5 V) UART signals between a microcontroller or ASIC and the bipolar ±5 V to ±15 V voltage swings required by the legacy EIA/TIA-232 (V.28) serial communication standard. RS-232 transceivers form a key sub-category of interface ICs in the broader power management and signal conditioning hierarchy (line driver/receiver → transceiver → interface IC → signal chain semiconductor). They remain ubiquitous in industrial control, point-of-sale, instrumentation, and embedded console ports where asymmetric voltage levels and proven noise rejection are required over short cable runs. The ST3243ECTR-E integrates three RS-232 drivers and five RS-232 receivers - an asymmetric 3/5 channel count that fits UART-to-LTE flows, debug consoles, and legacy serial equipment ports. ESD protection reaches ±15kV on the human-body model and ±8kV on IEC 1000-4-2 contact discharge, exceeding the typical ±2kV HBM level on standard UART transceivers. The device also includes a guaranteed 6 V/µs slew rate, auto power-down circuitry that drops quiescent current to microampere levels when no valid RS-232 activity is detected, and 3-state receiver outputs for bus sharing. Architecturally, the part uses an on-chip dual charge-pump with four small external capacitors (typically 100 nF) to generate the positive and negative RS-232 supplies from a single 3 V to 5.5 V rail. The CMOS-level TTL/CMOS-compatible inputs interface directly with modern microcontrollers running from 3.3 V or 5 V without level shifters. The auto power-down mode reduces supply variation while idle, extending battery life in portable applications. Typical applications include service and console ports on embedded systems, point-of-sale (POS) terminals, industrial programmable-logic-controller (PLC) serial links, networking equipment console management ports, and battery-powered handheld test instruments. The wide 3 V to 5.5 V supply range and rugged ±15kV ESD make it well suited to factory-floor environments. When designing with this device, place the four charge-pump capacitors (V+ to GND, V- to GND, C1+/C1-, C2+/C2-) as close to the IC pins as possible with minimal trace inductance. Decouple VCC with a 0.1 µF ceramic capacitor. Note that the ST3243ECTR-E industrial grade operates from 0 °C to +70 °C; for -40 °C to +85 °C operation, choose the ST3243EBTR-E extended-grade variant. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $1.55 在庫あり
ST485CDR - 2.5Mbps Low-Power RS-485/RS-422 Transceiver SOIC-8 | ST
ST485CDR

ST485CDR - 2.5Mbps Low-Power RS-485/RS-422 Transceiver SOIC-8 | ST

The STMicroelectronics ST485CDR is a low-power RS-485/RS-422 transceiver housed in an 8-pin SOIC (SO-8) package, supporting half-duplex communication with one driver and one receiver on a single differential pair. The part operates from a single 4.75V to 5.25V supply, draws 300 uA typical supply current when unloaded or with disabled drivers, and supports data rates up to 2.5 Mbps, making it suitable for high-speed industrial networks while keeping quiescent draw extremely low. An RS-485 transceiver is a differential line driver/receiver IC that translates between a single-ended UART/logic signal and the balanced twisted-pair signaling required by the TIA/EIA-485-A and TIA/EIA-422-B standards. RS-485 supports multi-drop (up to 32 transceivers on one bus) and half-/full-duplex topologies over cable runs of 1200 m, while RS-422 supports dedicated point-to-point or multi-drop simplex links. Within the broader signal-chain taxonomy, RS-485 transceivers are a subset of line transceivers -> interface ICs -> wired communication ICs. Key features include 2.5 Mbps data rate, 300 uA typical supply current, -7V to +12V common-mode range on the bus pins, internal current limiting on driver outputs, and thermal-shutdown protection that disables the driver if junction temperature exceeds safe limits. The receiver input hysteresis of 70 mV (typical) rejects line noise on long cable runs, and the 1/8-unit-load (or higher) input impedance permits multiple devices on a shared bus with minimal loading. The ST485CDR uses a bipolar CMOS-compatible driver architecture with slew-rate-controlled output transitions, which limits radiated EMI and reduces reflections on unterminated stubs. The chip is built on a BiCMOS process that delivers RS-485 drive strength (driver short-circuit current limited) while keeping quiescent draw at hundreds of microamperes, several orders of magnitude below legacy bipolar-only designs. Typical applications include industrial fieldbus links (Modbus RTU, PROFIBUS segments), building automation (BACnet MS-TP, DMX-512 lighting), point-of-sale peripherals, and any MCU UART extension over long cables. The low quiescent current also suits battery-backed monitoring nodes where the bus is idle for long periods. Designers should provide a 100 nF decoupling capacitor within 5 mm of VCC and add a 100 ohm termination resistor at each end of long runs to suppress signal reflections. The DE and RE pins can be tied together for simplex operation, or driven separately for direction-controlled half-duplex buses. This page synthesizes distributor pricing, drop-in cross-brand alternatives, and PCB layout notes not collected in the manufacturer datasheet alone, giving engineers a faster path from datasheet search to BOM placement.

USD $0.71 在庫あり
ST54M - NFC + Secure Element + eSIM + PQC Chip | STMicroelectronics
ST54M

ST54M - NFC + Secure Element + eSIM + PQC Chip | STMicroelectronics

The STMicroelectronics ST54M is a single-die secure solution integrating a contactless front-end (ST54M_CLF), a secure element (ST54M_SE), an embedded SIM (eSIM), and a post-quantum cryptography (PQC) hardware accelerator supporting ML-KEM and ML-DSA algorithms. It is designed for integration into mobile devices and NFC-compliant products, with contactless operating distance extending beyond 15 cm from any reader. A secure element is a hardened, tamper-resistant integrated circuit that stores cryptographic keys and executes security-critical operations in isolation from the main application processor. Within the power-management and connectivity hierarchy of a smartphone, the ST54M sits in the trusted execution domain, handling payment credentials, digital identity, transit tickets, and digital keys. The eSIM function follows the embedded SIM paradigm defined by GSMA specifications, and the serial interface of ST54M_SE is fully compatible with the ISO/IEC 7816-3 standard (T=0, T=1) up to 20 MHz. Key differentiating features include the world-first integration of a PQC hardware accelerator in a mobile secure chip (announced by STMicroelectronics on June 24, 2026), crypto agility that supports hybrid cryptographic approaches during the transition to full post-quantum deployment, and single-die NFC plus secure element integration that simplifies board design versus two-chip solutions. Architecturally, the ST54M combines the CLF (contactless front-end) handling ISO 14443-type RF communication and NFC Forum interactions with the SE platform running Java Card-class secure workloads. The PQC accelerator offloads lattice-based key encapsulation (ML-KEM) and digital signatures (ML-DSA) from the CPU, future-proofing devices against harvest-now-decrypt-later attacks. Typical applications are mobile payment wallets (NFC payments), embedded SIM provisioning for connected services, transit fare collection, digital car keys, and secure identity documents. Design consideration: because contactless performance depends strongly on antenna matching, follow the ST reference antenna tuning network and verify the >15 cm operating distance in the final mechanical stack-up. This page synthesizes manufacturer product data, PQC campaign details, and cross-reference search results into a single engineering reference not found on distributor listing pages.

見積もり 在庫あり
ST7262 - USB 8-bit MCU with 3 Endpoints, ROM/Flash | STMicroelectronics
ST7262

ST7262 - USB 8-bit MCU with 3 Endpoints, ROM/Flash | STMicroelectronics

The STMicroelectronics ST7262 is a low-speed USB 8-bit microcontroller from the ST7 family, integrating up to 16 Kbytes of program memory (ROM, FASTROM, or dual-voltage Flash), 256 bytes of RAM, and a USB 1.1 full-speed/low-speed device controller with three endpoints. It features an industry-standard 8-bit ST7 core with enhanced instruction set, a 10-bit ADC, two 16-bit timers, an SCI, an SPI, a watchdog, and an LVD. An 8-bit MCU (microcontroller unit) is a single-chip computer integrating CPU, memory, and peripherals; the ST7 family specifically targets cost-sensitive embedded applications with deterministic interrupt handling and a C-friendly instruction set. Within the MCU taxonomy, the ST7262 sits under: MCU -> 8-bit MCU -> ST7 family -> USB-capable microcontrollers. The integrated USB transceiver and 3-endpoint controller eliminate the need for an external PHY, reducing BOM cost and PCB area for HID, CDC, and vendor-class USB peripherals. Key features include In-Application Programming (IAP) and In-Circuit Programming (ICP) for field firmware upgrades, read/write protection for code security, a master/slave SPI supporting up to 8 Mbit/s, an SCI for asynchronous serial communication, and an operating voltage range of 4.0V to 5.5V suited to USB bus-powered designs. The 10-bit ADC offers 8 multiplexed channels with a minimum conversion time of 12 microseconds, sufficient for basic sensor and battery-monitoring tasks. The architecture pairs a Harvard-style bus with a 4-level priority interrupt controller and a 16-bit timer structure delivering PWM, input capture, and output compare functions. The dual-voltage Flash option allows in-system programming from a 5V USB rail without an external charge pump, and read/write protection prevents software theft via the debug interface. Typical applications include USB keyboards and mice, USB game controllers, USB barcode scanners, low-speed USB-to-serial bridges, and industrial USB human-interface devices. The small footprint and integrated USB make it a popular choice for HID-class peripherals where bill-of-materials cost is critical. When designing with the ST7262, ensure proper USB DP/DM trace impedance (90 ohms differential) and place the internal pull-up resistor on D+ (for full-speed) or D- (for low-speed only) according to the desired USB speed. Decouple VDD with a 100 nF X7R4D ceramic capacitor placed within 3 mm of the supply pin. This page synthesizes distributor availability, parametric equivalents, and practical design notes not found in the standalone manufacturer datasheet, helping procurement and engineering teams evaluate second-source options quickly.

見積もり 在庫あり
ST72F324BJ6TAS - 8-bit ST7 MCU, 32KB Flash, 44-LQFP | STMicroelectronics
ST72F324BJ6TAS

ST72F324BJ6TAS - 8-bit ST7 MCU, 32KB Flash, 44-LQFP | STMicroelectronics

The STMicroelectronics ST72F324BJ6TAS is an 8-bit ST7-family CISC microcontroller with 32 KB of in-application programmable Flash, 1 KB of RAM, and a 10-bit ADC, housed in a 44-pin LQFP (10x10 mm) package qualified for automotive temperature grades. The device runs from a 3.8 V to 5.5 V supply at up to 8 MHz internal CPU clock and integrates four timers plus SPI and SCI peripherals for motor, appliance, and body-electronics connectivity. An 8-bit MCU is a microcontroller whose internal data bus, registers and ALU are 8 bits wide, trading raw throughput for deterministic interrupt latency, simple CISC instruction set, and very low cost per I/O. The ST7 family sits within the broader hierarchy microcontroller -> embedded processor -> semiconductor IC; modern 8-bit MCUs remain popular where deterministic timing, EMI robustness and BOM cost dominate over raw MIPS, especially in automotive body, white-goods, and industrial sensor-interface modules. Key features include 32 KB of dual-voltage High-Density Flash with read-out protection, In-Application Programming and In-Circuit Programming support, 1 KB of RAM, a 10-bit ADC with up to 16 channels, four 8-bit timers with PWM, plus SPI and SCI communication blocks. The on-chip oscillator and watchdog reduce external component count. The ST72F324BJ6TAS uses the ST7 CISC core with a 16-bit program counter and Harvard-style bus structure. Memory is split between 32 KB HDFlash and 1 KB SRAM, with separate EEPROM-style emulation in Flash. The 10-bit ADC supports up to 16 multiplexed channels for automotive sensor reading. Typical applications include automotive body controllers, HVAC panels, instrument clusters, white-goods user interfaces, and low-cost industrial sensor nodes. Its wide 5 V supply tolerance and AEC-Q100-style automotive grade make it well suited to 12 V board-net environments. When designing with this device, note the 3.8 V minimum supply and derate CPU clock when VDD is below 4.5 V for full Flash read margin. Place the decoupling capacitor within 5 mm of VDD/VDDA pins and use short traces to ADC inputs to limit acquisition-time error. This page consolidates distributor stock, drop-in compatible variants, and design notes beyond the manufacturer datasheet, making sourcing and second-source qualification faster than cross-checking distributor listings manually.

USD $4.10 在庫あり
ST75185CTR - 3.3V/5V RS-232 Transceiver | STMicroelectronics
ST75185CTR

ST75185CTR - 3.3V/5V RS-232 Transceiver | STMicroelectronics

The ST75185CTR is a 3-driver/5-receiver RS-232 interface transceiver from STMicroelectronics, designed for serial communication in industrial and consumer applications. It operates from a single 3.3V or 5V power supply, with an integrated charge pump that generates the required ±10V RS-232 voltage levels. The device is available in a 20-pin SOIC (SOP-20) package, providing a compact solution for space-constrained designs. RS-232 transceivers are a type of serial communication interface IC that converts logic-level signals (typically 3.3V or 5V) to RS-232 voltage levels (±5V to ±15V) and vice versa. They are part of the broader interface IC category, which also includes UARTs, USB transceivers, and CAN transceivers. RS-232 transceivers are essential for legacy serial communication with PCs, industrial equipment, and test instruments, where the RS-232 standard (EIA-232) is still widely used. Key features of the ST75185CTR include a data rate of up to 120 kbps, which is sufficient for most RS-232 applications, and an ESD protection of ±2 kV (HBM) on the RS-232 pins, ensuring robustness in harsh environments. The device also features a low-power shutdown mode that reduces quiescent current to 1 µA, making it suitable for battery-powered or power-sensitive applications. The charge pump requires only four external 0.1 µF capacitors, simplifying the PCB layout. The ST75185CTR uses a dual charge pump architecture to generate the positive and negative supply rails from a single 3.3V or 5V input. This eliminates the need for a separate negative supply, reducing system cost and board space. The device is designed to meet the EIA-232 and ITU-T V.28 standards, ensuring interoperability with standard RS-232 devices. Typical applications include industrial automation, point-of-sale (POS) terminals, data acquisition systems, and embedded systems requiring serial communication. The wide operating temperature range of -40°C to +85°C makes it suitable for industrial environments. The device is also used in networking equipment, such as routers and switches, for console management ports. When designing with the ST75185CTR, ensure that the charge pump capacitors are placed close to the device pins to minimize noise and ripple. The shutdown pin can be used to reduce power consumption when the transceiver is idle. For ESD protection, the device provides ±2 kV HBM on the RS-232 pins, but additional external protection may be required for applications with higher ESD exposure.

USD $0.59 在庫あり
ST7567S-G4 - 132x65 Mono STN LCD Controller/Driver | Sitronix
ST7567S-G4

ST7567S-G4 - 132x65 Mono STN LCD Controller/Driver | Sitronix

The Sitronix ST7567S-G4 is a single-chip dot matrix LCD controller/driver that combines LCD controller logic with common/segment drivers in a die form factor intended for COG (Chip-On-Glass) and TCP (Tape Carrier Package) assembly. It drives up to 132 segments by 65 commons with an additional icon-common output, providing direct interface to an 8-bit parallel or 4-line SPI-compatible MPU bus. The on-chip Display Data RAM (DDRAM) holds 65 x 132 bits of dot data, supporting multiple duty cycles (1/65, 1/55, 1/49, 1/33) so the same die can address 128x64, 132x64, 96x65, 96x32 and similar monochrome STN panels. A dot matrix LCD controller/driver such as the ST7567S-G4 sits in the system hierarchy between a microcontroller host (MPU) and the physical liquid-crystal glass. It accepts graphics commands from the MPU, stores pixel data in DDRAM, and continuously refreshes the panel through segment and common drivers while generating the bias voltages required for proper pixel RMS drive. Without such a controller, the MPU would need to multiplex all 65 commons and 132 segments in software, which is impractical for low-power portable designs. Key features include a built-in oscillation circuit that eliminates the need for an external clock, a low-power power circuit that derives all internal analog supplies without external DC-DC conversion, and a wide logic supply range. The device supports multiple duty modes, partial-display, standby current in the single-digit microamp range, and is widely used in monochrome graphic modules from 128x32 up to 132x65 pixel resolution. Architecture-wise the chip integrates a high-voltage analog block for generating V0-V4 LCD biases, an 8-bit MPU interface (6800/8080 parallel or 4-wire SPI), and on-chip character/icon RAM. Hardware reset and command-set extensions (set page, set column, contrast control via the electronic-volume command, display ON/OFF, inverse display, all-points-ON) follow the common ST7565/ST7567 family convention used on most graphic COG modules on the market. Typical applications include 128x64 graphic LCD modules for instrumentation and metering, 132x65 graphical panels for handheld POS and industrial HMIs, monochrome STN displays for white goods and consumer electronics, and small dot-matrix COG panels in wearable devices. The ultra-low standby current also makes the chip attractive for battery-powered IoT indicators. Designers choose this IC because it removes the need for an external bias generator or oscillator, dramatically reducing BOM and PCB area in compact module designs. When designing with the ST7567S-G4, careful attention must be paid to bias and contrast-voltage component selection (the external V0 capacitor network dominates the visual contrast), and to reset timing during MPU initialization. The same datasheet-level command set shared by the ST7565/ST7567 family means many existing U8g2 and Adafruit library examples will work unchanged. This page consolidates distributor pricing, compatible alternate COG/TCP LCD controllers, and engineering notes beyond what is contained in the manufacturer datasheet.

USD $0.95 在庫あり
STA308 - 8-Channel Digital Audio Processor | STMicroelectronics
STA308

STA308 - 8-Channel Digital Audio Processor | STMicroelectronics

The STMicroelectronics STA308 is an 8-channel fully integrated digital audio processor with DDX direct digital amplification output capability, 24-bit processing, and support for input sample rates from 32 kHz to 192 kHz. It is packaged in a 64-terminal LFQFP measuring 10 mm by 10 mm and operates from a 2.3 V to 2.7 V supply. A digital audio processor is a specialized signal-processing IC that receives digital audio streams, applies channel control and volume functions, and drives digital amplification stages. Within the hierarchy of digital signal processing, it belongs to the DSP and audio-special-purpose IC categories. Its DDX outputs support high-efficiency all-digital amplification when paired with compatible DDX power devices. The STA308 provides eight 24-bit DDX channels and digital volume control in 0.5 dB steps. The verified source material specifies variable digital gain up to 24 dB in 0.5 dB steps, digital limiter functionality, and input sample-rate support from 32 kHz through 192 kHz. An I2C interface is identified in the available technical data, while the remaining control, clock, data, and DDX signal assignments require the manufacturer pin table for implementation. This processor targets multichannel consumer-audio systems where digital signal routing, per-channel gain, limiting, and direct digital amplification are useful. Relevant system roles include powered speakers, active soundbars, compact home-theater amplification, digital mixer output conditioning, and multi-zone powered-speaker control. The DDX architecture eliminates a conventional analog power-amplifier input stage when the associated external power devices and firmware are compatible. Designers should treat the STA308 as part of a tightly coupled digital audio subsystem rather than a standalone codec. The 2.3 V to 2.7 V operating range requires a stable low-noise supply, and all 64 package terminals must be connected or intentionally configured exactly as shown in the manufacturer datasheet. Audio-clock, serial-data, DDX output, control, ground, and decoupling layouts should preserve signal integrity and adequate return paths. This page combines verified manufacturer and distributor information with practical selection guidance. Pricing reflects the supplied LCSC listing as of 2026-10-23, while lifecycle, detailed electrical limits, complete pin assignments, and true drop-in replacements remain constrained by the available evidence.

USD $9.10 在庫あり
STA308A - 8-Channel 24-Bit Digital Audio Processor | STMicroelectronics
STA308A

STA308A - 8-Channel 24-Bit Digital Audio Processor | STMicroelectronics

The STMicroelectronics STA308A is an 8-channel, 24-bit multichannel digital audio processor with DDX direct-digital-amplification output capability, housed in a 64-TQFP package measuring 10 mm by 10 mm. It supports selectable input sample rates from 32 kHz to 192 kHz, six DSD/SACD input channels, I2C control with a selectable device address, and digital gain or attenuation. According to the STMicroelectronics manufacturer datasheet, the processor provides more than 100 dB signal-to-noise ratio and dynamic range. A digital audio processor is a specialized signal-processing IC that receives digital audio streams, applies configurable channel processing and volume control, and produces digital outputs for downstream converters or power stages. Within the broader hierarchy, the STA308A belongs to audio special-purpose ICs, digital signal processors, multichannel audio ICs, and power-management-dependent amplification systems. Its DDX outputs allow an external DDX power device to complete an all-digital Class-D-style amplification chain. The principal features include eight 24-bit DDX channels, greater-than-100-dB SNR and dynamic range, sample-rate selection from 32 kHz through 192 kHz, and six DSD/SACD inputs. I2C control simplifies configuration of device addressing and digital gain or attenuation. These functions make the device suitable for DVD, home-theater, active-speaker, digital mixing, and multi-zone audio systems where several decoded channels must be routed and level-controlled centrally. Technically, the STA308A separates digital signal processing from analog power amplification. Its digital outputs can connect to compatible DDX power devices, reducing the need for conventional analog volume-control paths and allowing attenuation to remain in the digital domain. This architecture can improve channel integration and simplify control software, but system performance also depends on the selected power device, power-supply design, output filtering, clocking, and PCB signal integrity. Typical uses include 5.1- and 7.1-channel surround systems, powered speakers, DVD receivers, digital active loudspeakers, and compact audio hubs. The 10 mm square TQFP package supports conventional surface-mount assembly, although careful decoupling and short high-speed routing remain essential. The supplied source material does not state supply voltage, clock limits, output logic levels, or thermal resistance. Designers should confirm all logic levels, supported digital interfaces, DDX power-device requirements, and external component values against the manufacturer datasheet. Because the verified excerpts emphasize processing rather than exact pin assignments, engineers should use the official PDF for the complete 64-pin connection table rather than infer unused pins. Distributor pricing and lifecycle status were not provided, so purchasing requires a current quote and availability check. This page consolidates verified manufacturer capabilities, distributor identification, sourcing guidance, and design cautions for the STA308A. It distinguishes confirmed functions from missing electrical details and avoids presenting unverified alternatives as drop-in replacements.

見積もり 在庫あり
STA309A - 8-Channel Digital Audio Processor | STMicroelectronics
STA309A

STA309A - 8-Channel Digital Audio Processor | STMicroelectronics

The STMicroelectronics STA309A is an 8-channel fully integrated digital audio processor with DDX output capability, supplied in a 64-pin TQFP package measuring 10 mm by 10 mm. It provides the digital processing and control required by multi-channel audio systems and accepts audio data from compatible serial digital-audio components through configurable serial interfaces. The processor operates as a slave when receiving standard digital-audio input, simplifying integration with external source devices. A digital audio processor is a programmable semiconductor that manages one or more audio signal paths, applying channel routing, volume, equalization, decoding, or other processing functions under software or hardware control. Within the product hierarchy, the STA309A belongs to audio ICs, digital signal processors, and multi-channel digital audio processors. It is intended to work with a compatible DDX power device when a complete Class-D-style output stage is required. Verified product information identifies the STA309A as a single-chip solution for digital audio processing and control in multi-channel applications. Its principal verified features include eight processing channels, support for several serial audio input formats, slave operation for standard digital-audio input, and DDX outputs for connection to external power-stage devices. These functions make it useful in home-theater systems, powered speakers, digital active speakers, and custom multi-way audio products. The serial interface accepts standard digital audio streams from source components, while the processing core organizes those streams for eight-channel output. Configuration software and the correct external memory or control circuitry must be selected from the manufacturer datasheet; those detailed electrical and memory requirements are not included in the supplied search data. System designers should therefore avoid inferring unsupported sample rates, filter coefficients, or control-interface details without reviewing the official documentation. Typical designs place the STA309A between an optical, coaxial, network, or other digital-audio source and a multi-channel DDX output stage. The source supplies a compatible serial stream, the processor applies the required channel processing, and a DDX power device reconstructs the amplified analog output. Software configuration is essential for routing, crossovers, equalization, and channel delays, so processor capability alone does not replace correct system implementation. The primary design consideration is interface compatibility. Because the STA309A acts as a slave when receiving audio from standard digital-audio components, the master device, clocking arrangement, serial format, and signal mapping must all match. Board layout should preserve short, clean clock and data paths, provide stable decoupling, and route high-current DDX output signals separately from sensitive processor signals. Prototype validation should include clocking, channel assignment, mute behavior, and full-load output behavior. This product record combines verified STMicroelectronics and distributor information with explicit data gaps, package requirements, application guidance, and sourcing links. Unlike a basic distributor listing, it identifies the processor role and emphasizes the engineering checks needed before using the 64-TQFP device as a drop-in element in a multi-channel audio design.

見積もり 在庫あり
STA310 - 6+2-Channel Audio Decoder | STMicroelectronics
STA310

STA310 - 6+2-Channel Audio Decoder | STMicroelectronics

The STMicroelectronics STA310 is a fully integrated multistandard audio decoder with 6+2-channel decoding, designed for HDTV, audio players, receivers, and set-top boxes in an 80-pin TQFP (14x14) package. The supplied data confirms support for DVD Audio Meridian Lossless Packing (MLP), uncompressed LPCM with 1–8 channels, and encoded data input through serial I2S, S/PDIF, or parallel interfaces. An audio decoder is an interface IC that converts compressed or encoded digital audio streams into PCM data for downstream digital-to-analog converters, amplifiers, receivers, or speakers. Within the signal chain, it sits between a source interface and the audio output stage, handling format recognition, channel organization, and decoding while leaving analog amplification and loudspeaker drive to downstream components. The STA310's key verified features include integrated multistandard decoding and support for both serial and parallel input paths. The I2S and S/PDIF options suit modern digital audio systems, while the parallel interface can support legacy source architectures. Its 6+2-channel capability is relevant to multichannel home entertainment, although exact channel-routing behavior must be confirmed from the manufacturer datasheet and application implementation. The architecture combines encoded digital audio input, format-specific decoding, and decoded audio output in one device. This integration can reduce the external decoder count in a set-top box, DVD player, HDTV, or surround-sound receiver. System designers must still account for clocking, supported sample rates, output format, electrical levels, signal integrity, and software or control requirements that are not specified in the supplied web excerpts. Typical applications include HDTV audio processing, DVD and disc-player output stages, AV receivers, digital audio players, set-top boxes, and other home-entertainment equipment. The STA310 is especially relevant where a product must accept encoded digital audio from several source types and produce decoded multichannel PCM audio for a downstream codec or amplifier. When laying out an STA310 design, preserve the exact pin assignments and reference interface timing shown in the manufacturer datasheet. Keep digital audio, clock, and power routing controlled, provide the required bypass and interface components, and validate timing margins across every supported input format. This page consolidates distributor identification, verified format support, sourcing data, and engineering guidance.

見積もり 在庫あり
STA540 - 4-Channel 38W Class-AB Audio Amplifier | STMicroelectronics
STA540

STA540 - 4-Channel 38W Class-AB Audio Amplifier | STMicroelectronics

The STMicroelectronics STA540 is a four-channel, Class-AB audio power amplifier designed for high-quality sound systems, with output power up to 38 W into 4 Ω and 34 W into 8 Ω under specified test conditions. It uses single-ended outputs and integrates short-circuit protection, thermal protection, and diagnostic functions. The device is housed in a 15-pin Multiwatt ECOPACK Pb-free package. A Class-AB audio amplifier is a linear power-amplifier category that combines conduction-angle efficiency characteristics of Class A with reduced crossover distortion compared with Class B. In the hierarchy of audio electronics, the STA540 is an integrated four-channel audio power amplifier within the broader amplifier-IC and power-management semiconductor ecosystem. It is intended to drive multiple speaker loads from one supply without requiring separate output-stage discrete transistors. Verified power capabilities include 2 × 38 W into 4 Ω at 18 V, 1 kHz, and 10% THD; 2 × 34 W into 8 Ω at 22 V, 1 kHz, and 10% THD; 2 × 24 W into 4 Ω at 14.4 V; and 2 × 15 W into 8 Ω at 16 V. For four-channel operation, the verified data specifies 4 × 13 W into 2 Ω at 15 V, 1 kHz, and 10% THD. These figures distinguish burst-style high-power conditions from typical continuous-use system design. The output stage is Class AB and uses single-ended outputs, while the minimum external component count is reduced by eliminating bootstrap capacitors. Integrated protection covers short-circuit and thermal faults, and diagnostic functions support fault detection in finished audio systems. These characteristics make the STA540 useful where multiple amplified channels are required within a relatively compact analog audio design. Typical applications include home-theater and multimedia speaker systems, compact powered speakers, stereo and quad-channel amplifiers, automotive-style audio products, and auxiliary audio equipment. The STA540 can also support bridged configurations when the board design, supply level, load impedance, and thermal conditions are appropriate. Designers should account for copper area, heat spreading, supply decoupling, speaker-return isolation, and the difference between advertised output power and continuous thermal dissipation. The 15-pin Multiwatt package exposes thermal and ground connections, but package power capability still depends strongly on PCB layout. Verify all pin functions, recommended load combinations, protection behavior, and maximum operating conditions against the manufacturer datasheet before production. This page combines verified manufacturer and distributor information with focused engineering guidance on output configurations, thermal planning, fault diagnostics, and selection trade-offs. It also highlights where verified replacement data is insufficient to recommend a true pin-compatible substitute without risking an unsuitable board redesign.

見積もり 在庫あり
STA550 - 70W Stereo Class AB Power Amplifier | STMicroelectronics
STA550

STA550 - 70W Stereo Class AB Power Amplifier | STMicroelectronics

The STMicroelectronics STA550 is a fully integrated, two-channel Class AB bridge stereo power amplifier module delivering 55 W + 55 W output power at 0.5% THD with 4 ohm or 8 ohm loads and a maximum 70 W + 70 W output rating at 10% THD. It is supplied in a 27-Flexiwatt vertical power package for surface-mount audio systems. A Class AB audio amplifier is a voltage-controlled amplifier that uses continuous transistor conduction to reproduce audio signals with relatively low crossover distortion. In the broader hierarchy, the STA550 belongs to audio amplifiers, linear power amplifiers, and power management semiconductors. Its bridge configuration develops voltage across the load, while the integrated output stage and multi-pin package simplify the implementation of high-power stereo audio compared with discrete amplifier circuitry. The STA550 is designed around the BASH architecture and is intended to work with the STABP01 digital processor for programmable feedback, compression, and related system functions. According to the manufacturer datasheet information, the device includes high-dynamic-range preamplifier input stages, external programmable feedback, compressors, and AC-coupled Class AB bridge inputs. The module therefore serves as the output-power stage in an assisted audio system rather than as a conventional standalone line-input amplifier. Its specified output levels cover several practical use cases. The 55 W per channel at 0.5% THD rating is useful when lower distortion is important, while the 70 W per channel at 10% THD point represents maximum output power. The 4 ohm and 8 ohm load support gives designers flexibility in speaker impedance. Exact supply voltage, current, gain settings, thermal limits, and protection thresholds must be confirmed from the manufacturer datasheet before layout or production use. Typical uses include multimedia speakers, active loudspeakers, home-audio systems, and powered speaker enclosures requiring substantial stereo output in a compact module. The vertically mounted 27-Flexiwatt package requires careful PCB layout, adequate copper for heat spreading, and attention to the manufacturer's recommended thermal and electrical interface. A key design consideration is that this high-power amplifier can dissipate substantial heat during sustained operation. Thermal performance depends on the PCB copper area, supply impedance, load, output level, and ambient temperature; adequate heat spreading and stable rail design are therefore more important than generic decoupling alone. This product record combines verified manufacturer and distributor descriptions, source-linked pricing availability, package-oriented replacement analysis, and practical design notes to help engineers evaluate the STA550 for BASH-based Class AB stereo amplifier designs.

見積もり 在庫あり
STB-835 - AN & DIG Panel for I/O | Analog Devices
STB-835

STB-835 - AN & DIG Panel for I/O | Analog Devices

The Analog Devices STB-835 is an analog and digital panel for I/O, classified by LCSC as an Interface - Specialized integrated circuit. The verified listing identifies the MPN as STB-835 and the manufacturer as Analog Devices, while the available distributor records provide sourcing information rather than a complete electrical datasheet. The supplied listing does not establish the package, pin count, supply-voltage range, signal count, operating temperature, or environmental ratings; those parameters must be confirmed from the manufacturer documentation before design release. An interface IC is a semiconductor that connects a controller, panel, test fixture, or external circuit through analog and digital signal paths. A panel-for-I/O device commonly organizes input and output functions into a defined interface structure, allowing a system to monitor or control external lines through a standardized connection arrangement. Unlike a general-purpose logic IC, a specialized interface panel may combine input conditioning, output drivers, isolation, or panel-specific routing, but the exact functions of STB-835 are not available in the supplied verified records. The strongest verified product facts are the manufacturer identity, the functional description “AN & DIG PANEL FOR I/O,” the Interface - Specialized classification, and the listed commercial availability. LCSC reports the part as in stock and states a price from $61.5230 as of the supplied 2026-10-23 search timestamp. DigiKey, JLCPCB, Octopart, Cytech Systems, and other listings provide purchasing or comparison entry points, but their snippets do not expose enough technical detail to populate electrical specifications without fabrication. STB-835 should therefore be treated as a procurement-qualified interface component with incomplete application-level characterization. Before placing it in a PCB design, obtain the official Analog Devices datasheet or approved Rochester Electronics documentation and verify the exact package drawing, pin names, signal directions, voltage domains, timing, power consumption, and environmental limits. The listed Rochester Electronics association may indicate legacy or specialty sourcing, but it does not establish lifecycle status, obsolete designation, or a direct replacement. Typical design work involves mapping every panel connection to the verified pinout, checking voltage-domain compatibility across connected analog and digital signals, and validating input thresholds and output drive capability before layout. Because no verified package or pinout is supplied, PCB footprint selection must not be inferred from distributor category data. This page distinguishes verified commercial information from missing technical data so procurement and engineering teams can identify the next required verification step. This page combines verified distributor availability, pricing, sourcing links, and explicit data gaps with engineering guidance for evaluating a specialized interface panel. It intentionally avoids guessing pin assignments, electrical limits, lifecycle claims, compliance status, or substitute parts that could create an unsafe PCB redesign.

見積もり 在庫あり
STB-BB05 - RTI204/205 Interface Panel IC | Analog Devices
STB-BB05

STB-BB05 - RTI204/205 Interface Panel IC | Analog Devices

The Analog Devices STB-BB05 is an RTI204/205 interface-panel integrated circuit offered in bulk packaging. The verified listing identifies it as an Analog Devices component associated with the Telecom & Specialized integrated-circuit family, while one distributor record categorizes it as a Specialized interface IC. Its exact electrical ratings, pin arrangement, and mechanical dimensions are not exposed in the supplied sources. The available catalog information instead confirms the device identity, manufacturer association, interface-panel role, bulk order form, and sourcing status. Engineers should therefore treat this page as a procurement and identification resource rather than a substitute for the original manufacturer documentation. An interface-panel IC is a type of integrated circuit that connects external equipment, control signals, or peripheral circuitry to a system interface. In the telecommunications and specialized-equipment hierarchy, such a device sits between discrete connectors and higher-level communication electronics: connectors provide the physical path, the interface IC conditions or translates signals, and the host system performs control and data processing. The supplied distributor description associates STB-BB05 specifically with RTI204/205 interface-panel applications, making those panel functions the central application context. The available evidence confirms the MPN STB-BB05, Analog Devices branding, specialized-interface classification, and bulk packaging. One supplier lists a minimum order quantity of 2, while other listings direct buyers to submit an RFQ to confirm stock, date code, and lead time. A Rochester Electronics record reports the component as active. These facts make STB-BB05 potentially relevant to repair, maintenance, replication, and legacy-system support, but production use still requires confirmation of environmental ratings, supply conditions, and pin compatibility. Technically, the available data does not identify whether the device is a surface-mount or through-hole part. Rochester Electronics lists mounting type and package as unavailable, while another supplier describes the shipment format as Bulk. Because the exact package is unknown, no package-specific land pattern, pinout diagram, thermal calculation, or drop-in replacement claim can be supported. This uncertainty is especially important for proprietary interface hardware, where similar connector functions do not guarantee signal-level or timing compatibility. Typical sourcing uses for STB-BB05 include RTI204/205 interface-panel maintenance, specialized telecommunications equipment repair, legacy system restoration, and component matching during low-volume production. For each use, the engineer should verify the original equipment schematic, pin connections, supply requirements, logic levels, and timing before installation. The listing supports component identification and RFQ-based procurement, but does not provide enough technical data to establish those electrical requirements independently. The principal design consideration is to avoid assuming compatibility from the RTI204/205 description alone. Before procurement, request the manufacturer datasheet, drawing, revision status, and inspection information from the supplier or original equipment manufacturer. Also confirm whether the offered unit is an original packaged component, a screened assembly, or an alternate-source item. These checks are essential because a catalog listing can confirm identity and sourcing availability without confirming electrical equivalence or manufacturing provenance. This page consolidates the supplied distributor identities, lifecycle statement, interface classification, package uncertainty, and procurement references. It intentionally avoids fabricating electrical values, pin names, package dimensions, pricing, or cross-references that were absent from the verified sources.

見積もり 在庫あり
STB-GP - RT1850/RT1860 Panel | Analog Devices | Telecom
STB-GP

STB-GP - RT1850/RT1860 Panel | Analog Devices | Telecom

The Analog Devices STB-GP is a specialized interface panel identified for use with RT1850 and RT1860 assemblies, available from distributors as an active or in-stock component. The verified product listing identifies STB-GP as “PANEL FOR RT1850 RT1860,” while Rochester Electronics describes the device as belonging to the Telecom & Specialized integrated-circuit family. Its public listing does not provide a conventional IC package, pinout, electrical ratings, interface protocol, or mounting data, so those details remain unverified rather than inferred. The STB-GP designation therefore should be treated as a specialized panel or module-related procurement item until the manufacturer documentation is obtained. A specialized interface IC or panel is used to connect, route, adapt, or terminate signals within a larger telecom, networking, or embedded system. The STB-GP listing connects this item with RT1850 and RT1860, which are identified by the source data as related assemblies, but the exact electrical role, signal directions, connector arrangement, and supported system configuration are not provided. Engineers should therefore confirm the system revision and board connector before ordering or substituting it. The available commercial evidence indicates availability rather than a complete technical datasheet. LCSC lists STB-GP as in stock with a starting price of $69.6681, eBee lists a starting price of $73.2624, and Rochester/FPGACenter lists a starting unit price of $146.99 with volume discounts for quantities of 10, 100, 500, and 1,000. Prices are reproduced as reported and may change without notice as of 2026-10-23. Octopart also lists Analog Devices STB-GP and directs buyers to compare bulk pricing and availability. Because the verified sources do not specify package dimensions, pin count, mounting type, operating temperature, voltage, current, RoHS, REACH, or automotive qualification, this page does not invent those values. The procurement-critical decision is compatibility with the intended RT1850/RT1860 assembly, not an assumed generic IC replacement. Request the current Analog Devices or Rochester Electronics documentation, mechanical drawing, and revision information before using the part in a new design. This page combines verified distributor identity, reported pricing, lifecycle information, sourcing links, and explicit data gaps. It is intended to help engineers identify STB-GP quickly while preventing unsupported assumptions about electrical compatibility, package fit, or drop-in replacement.

USD $69.67 在庫あり