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CD4056BF - CMOS BCD to 7-Segment LCD Decoder | Texas Instruments
CD4056BF

CD4056BF - CMOS BCD to 7-Segment LCD Decoder | Texas Instruments

The Texas Instruments CD4056BF is a CMOS BCD-to-7-segment LCD decoder/driver with a strobed latch, supplied in a 16-CDIP package according to the verified distributor listing. The available data identifies the device as an LCD display driver in the CD4056B family and associates it with the Harris Semiconductor datasheet SCHS048C, revised October 2003. The verified results do not provide the complete electrical limits, display drive voltage, output configuration, or timing values needed to reproduce a full datasheet specification table. A BCD-to-7-segment LCD decoder/driver converts a four-bit binary-coded decimal input into the seven segment drive lines required by a numeric display. The CD4056B family is associated with liquid-crystal display drivers, allowing a digital controller to present decimal digits without driving each display segment directly. The verified material specifically describes the CD4056B as a CMOS BCD to 7-segment LCD decoder/driver with strobed-latch functionality. The CD4056BF designation includes a CDIP package option, and the Rochester Electronics listing identifies a 16-CDIP package with a 0.300-inch, 7.62 mm lead pitch. The verified results also show distributor availability references, including an Octopart page for Texas Instruments and an FPGACenter listing for Rochester Electronics. Exact operating voltage, display output drive capability, propagation delay, quiescent current, and temperature ratings remain unavailable in the supplied excerpts and are intentionally not inferred here. Typical design use includes digital meters, counters, timers, calculators, and embedded instruments where a controller presents one decimal digit through an LCD. The strobed latch can support decoded display data being held while the system updates the input, although the exact latch and display timing should be confirmed from the manufacturer datasheet. Because the LCD bias, segment polarity, and output drive requirements depend on the display selected, the LCD specification must be reviewed before final PCB and component selection. Designers should confirm the package outline, pin numbering, supply voltage, input logic levels, segment outputs, common and backplane connections, and display bias arrangement against the original manufacturer documentation. The CD4056BF is a through-hole display-driver device in the listed CDIP option; it is not interchangeable with a surface-mount LCD driver without a footprint and pinout review. This page consolidates the verified CD4056BF datasheet links, distributor package information, procurement references, and design cautions. It deliberately distinguishes documented facts from unavailable parameters and does not substitute generic CD4000-series values for CD4056BF-specific ratings.

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CD4059AE - Programmable Divide-by-N Counter | Texas Instruments
CD4059AE

CD4059AE - Programmable Divide-by-N Counter | Texas Instruments

Texas Instruments CD4059AE is a CMOS programmable divide-by-N counter with a 16-bit jam-programmable count value from 3 to 15,999, housed in a 24-lead dual-in-line plastic package. It counts positive clock edges and produces a fixed-width output pulse at a rate equal to the input frequency divided by the programmed value N. The output provides TTL-compatible drive capability. A programmable divide-by-N counter is a clock-and-timing logic device that divides an input pulse train by a selectable integer. It belongs to the counter hierarchy, which includes frequency dividers and timing counters, and ultimately falls within digital logic ICs and clock-and-timing semiconductor categories. This architecture makes the CD4059AE useful whenever a stable reference frequency must be reduced to a lower derived frequency without changing the original signal source. The 16 jam inputs establish the divide ratio, allowing division by any number from 3 through 15,999. A divide-by-16 counter is therefore the conventional implementation, while the wider jam-input arrangement supports programmable ratios without adding a separate binary counter. The single output pulse is one clock cycle wide, making its relationship to the input timing straightforward to analyze and measure. The CD4059AE uses positive-edge counting, so the active transition is the rising edge of the clock waveform. Designers must account for setup and hold requirements around the jam inputs because changing the programmed divide value while the counter is operating can produce a transient output disturbance. The wide programmable range supports synthesized timing, pulse-rate division, periodic event generation, and frequency scaling. Typical applications include digital timer and counter modules, industrial pulse-generation circuits, clock dividers in control equipment, and repetitive event-rate reduction in test systems. The fixed-width output can trigger downstream counters or timing stages, while the jam inputs allow the system to change its operating rate under supervisory control. For dependable operation, use the manufacturer's pin-description table when assigning PCB signals and verify every jam-input state required by the desired division ratio. Confirm clock edge timing and output loading against the device limits, then provide suitable bypassing and a clean common ground reference. This page combines programming guidance, practical circuit considerations, and packaging information to support faster design review and sourcing. The CD4059AE remains a useful choice when a 24-lead through-hole programmable divider is preferred over a smaller logic device, particularly when the design benefits from direct jam programming across the full 3-to-15,999 ratio. Its 24-pin footprint requires adequate board spacing, so compact modern equipment may require a different counter architecture rather than a forced package substitution.

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CD4059AF - Programmable Counter/Divider | Intersil
CD4059AF

CD4059AF - Programmable Counter/Divider | Intersil

The Intersil CD4059AF is a CMOS counter/frequency-divider integrated circuit designed to generate, modify, or process signals represented by two distinct binary states. Its primary counter role is referenced as a programmable divide-by-N function, allowing an input frequency to be divided by a selected integer count. The device is associated with the CD4059A logic-counter family and is identified by the exact orderable part number CD4059AF. A counter/frequency divider is a sequential logic device that counts input events and produces a corresponding divided or periodic output. It belongs to the broader CMOS logic hierarchy, where counters sit alongside gates, latches, multiplexers, shift registers, and arithmetic circuits. In frequency-processing systems, this function supports clock division, waveform shaping, periodic pulse generation, timing reference creation, and event-rate reduction. The CD4059AF is associated with a family that includes the CD4059AD, CD4059AD3, and CD4059AE identifiers. The architecture is intended for programmable divide-by-N operation rather than a fixed division ratio. This distinction is important because the external count-setting arrangement determines how the input clock is translated into the divided output and how the device integrates into a larger timing or sequencing system. The CD4059AF is identified as a microcircuit operating with binary states commonly represented as on and off, true and false, high and low, or 1 and 0. This binary-state foundation is characteristic of CMOS logic and allows the counter output to interface with other digital logic stages. Designers should treat signal thresholds, setup and hold timing, clock-edge behavior, and reset requirements as the principal implementation constraints when validating a new board. Typical uses include programmable clock division in test and measurement equipment, repetitive event counting in industrial control, low-frequency timing generation in communication equipment, and output-rate reduction in digital signal-processing systems. The device can also be used where a stable periodic reference is needed alongside a separately generated divide ratio. Board-level implementation must preserve the required logic levels and timing margins. When designing a new circuit, begin with the manufacturer pin-description table and timing information before assigning PCB tracks. Confirm the exact CD4059AF pinout, package details, voltage limits, operating-temperature range, count range, and reset behavior against the current manufacturer documentation. Also review output-drive and loading conditions so the divider operates reliably with the selected downstream logic family. This product page combines the CD4059AF functional description, sourcing guidance, application context, and replacement considerations. It also emphasizes practical boundary conditions that matter when adapting a legacy counter/frequency divider: exact pin compatibility, logic compatibility, operating limits, and timing behavior must all be confirmed before an alternative is treated as a drop-in replacement.

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CD4059AM - Programmable Divide-by-N CMOS Counter | Texas Instruments
CD4059AM

CD4059AM - Programmable Divide-by-N CMOS Counter | Texas Instruments

The Texas Instruments CD4059AM is a CMOS programmable divide-by-N counter IC with a 16-bit counter, positive-edge counting, and a 24-lead SOIC package. It divides an input frequency by any programmable integer from 3 to 15,999, producing an output pulse whose frequency is the input frequency divided by N. The counter uses five programming inputs to select the division ratio and includes a clock, reset, and output arrangement suitable for digital timing and frequency division. A divide-by-N counter is a sequential digital logic device that counts clock transitions and reaches a programmable terminal count before producing an output event. The CD4059AM belongs to the CD4000 CMOS logic family, where CMOS indicates complementary metal-oxide-semiconductor construction. In system terms, it is a programmable counter, a digital timing IC, and a member of the wider logic IC and clock-and-timing categories. Its primary purpose is to reduce an input clock into a lower, predictable frequency without requiring a microcontroller or discrete counter chain. The main engineering features are the broad programmable division range, 16-bit internal counting capacity, positive-edge operation, and 24-SOIC packaging. The programmable range allows a fixed board design to support several timing ratios simply by changing the logic states applied to the count-select pins. The CMOS implementation is suitable for digital systems where low static power and direct interfacing to other CMOS logic are important, although the exact timing and supply-current limits should be taken from the manufacturer datasheet for the operating condition being designed. The CD4059AM can be used for pulse-rate reduction, timer generation, clock division, sequential timing, digital measurement, and embedded control systems. It is especially useful when a stable clock must be converted into a slower periodic signal without consuming processor resources. In an industrial controller, it can divide a high-frequency system clock to produce a service-timing or sampling interval. In a laboratory instrument, it can reduce a reference clock for a programmable pulse output. The output pulse timing and reset behavior must be coordinated with the surrounding synchronous logic. The principal design consideration is ensuring that the programmed count remains within the permitted range of 3 to 15,999 and that the clock and reset inputs meet the datasheet timing requirements. Because the device is a fixed-function counter rather than a general-purpose programmable logic device, design changes requiring arbitrary counter widths, multiple independent channels, or complex arithmetic may be better served by a different logic family. The 24-SOIC package also requires a footprint with the correct pin pitch and exposed mechanical dimensions. This product page combines the manufacturer identification, counter-function description, programming limits, package information, pinout availability, practical applications, and design trade-offs for engineers evaluating the CD4059AM. It also distinguishes true same-footprint alternatives from parts that may be functionally similar but are not qualified as direct replacements.

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CD4060BE - 14-Bit CMOS Counter | Texas Instruments
CD4060BE

CD4060BE - 14-Bit CMOS Counter | Texas Instruments

The Texas Instruments CD4060BE is a CMOS 14-stage ripple-carry binary counter, divider, and oscillator designed to operate from 3 V to 18 V. It provides 14 binary counter outputs, a negative-edge clock input, an oscillator section supporting RC or crystal timing, and a master reset that clears the counter outputs. The device is packaged in a 16-pin through-hole plastic DIP package. A CMOS binary counter is a sequential digital-logic device that advances an internal state when triggered by a clock edge. A ripple-carry counter connects multiple flip-flop stages so each output changes at a divided frequency derived from the preceding stage. The CD4060BE combines that counting function with an oscillator, allowing one package to generate a timing reference and divide it into multiple frequency outputs without requiring a separate clock source. The CD4060BE's key features include 14 counter stages, a maximum clock frequency of 24 MHz, operation across a 3 V to 18 V supply range, and a 16-pin plastic DIP package. Its oscillator can be configured for either RC timing or crystal timing. A master-reset input establishes the all-zero counter state, making the device useful when a defined startup state or synchronized clearing action is required. Internally, the counter is implemented as a chain of ripple-carry binary stages. Each output provides one binary bit of the accumulated count, while the stage spacing creates successively divided clock signals. The oscillator section supplies a convenient internal timing source for designs that do not need an external clock generator. Because this is CMOS logic, the supply voltage range supports both lower-voltage and higher-voltage system designs within the device's specified limits. Typical applications include binary event counters, frequency dividers, periodic-pulse generators, digital time bases, oscillator modules, clock-generation circuits, and industrial control or instrumentation systems. The oscillator-and-divider combination is especially useful when a system requires several related frequency outputs generated from one timing network. When constructing the circuit, keep oscillator components close to the OSC_IN and OSC_OUT pins, provide a clean and stable supply, and use a reset strategy that prevents invalid counter states during power-up. Crystal timing generally requires carefully selected load and stability components, while RC timing trades frequency precision for component simplicity. The 16-pin DIP package also requires adequate spacing around the device for socketed or hand-soldered assembly. This product page combines the manufacturer device description, distributor identification, cross-reference candidates, and application-oriented engineering guidance. It also distinguishes genuine 16-pin through-hole drop-in options from devices that use different package formats, helping designers shorten replacement work without overlooking pinout, voltage, or timing differences.

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CD4060BK - 14-Stage CMOS Counter/Divider | Texas Instruments
CD4060BK

CD4060BK - 14-Stage CMOS Counter/Divider | Texas Instruments

The Texas Instruments CD4060BK is a CMOS 14-stage ripple-carry binary counter and divider with an integrated oscillator, operating from 3 V to 18 V and supporting operation up to 24 MHz in a 16-pin CFP surface-mount package. Its temperature rating extends from -55°C to +125°C. The device advances one count on each negative clock transition and provides 14 binary counter outputs, making it suitable for frequency division, timing, and clock-generation systems. A binary counter is a digital sequential circuit that stores and advances a count using binary-weighted stages. A divider extends this function by dividing an input frequency into a lower output frequency. The CD4000 CMOS logic family belongs to the broader logic IC and counter/divider hierarchy, combining low-power operation with wide supply-voltage flexibility. The oscillator and counter functions are commonly used together in timers, clock dividers, and programmable pulse-generation circuits. The verified CD4060B family data identifies 14 ripple-carry stages, operation from 3 V to 18 V, and a maximum clock frequency of 24 MHz. These ratings support both low-voltage logic systems and higher-voltage industrial or instrumentation environments. Its 16-CFP package offers a surface-mount option for compact assemblies, while the broad -55°C to +125°C temperature range supports demanding operating conditions. The ripple-carry architecture means each counting stage advances after the preceding stage, with the counter incrementing on the negative transition of the clock. Designers should account for accumulated propagation delay when dividing high frequencies or interpreting the relationship between clock edges and output transitions. The operating-frequency limit and external oscillator-component requirements must be checked against the manufacturer datasheet before establishing timing margins in a new circuit. Typical uses include divide-by-16 through divide-by-16384 clock generation, retriggerable pulse timing, periodic-event generation, and low-frequency clock derivation from a higher-frequency source. The oscillator pins can support an external resistor-capacitor network when stable autonomous operation is required, while an external clock can be applied when the system already provides a timing reference. PCB implementation should preserve short oscillator and clock paths, provide an unobstructed ground reference, and decouple the supply close to the device. Because the CFP-16 footprint is temperature- and package-sensitive, assembly should follow the manufacturer’s soldering and land-pattern recommendations. The verified source does not provide a complete pin-level table, so the final design should use the official CD4060B datasheet rather than an inferred pinout. This page consolidates verified manufacturer and distributor information, exact CD4060BK pricing evidence, package and environmental ratings, application guidance, and data-gap disclosures. It distinguishes documented facts from unavailable parameters and avoids presenting unverified substitute parts as drop-in replacements.

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CD4060BM - 14-Bit Counter/Divider | Texas Instruments
CD4060BM

CD4060BM - 14-Bit Counter/Divider | Texas Instruments

Texas Instruments CD4060BM is a CMOS 14-stage ripple-carry binary counter and divider with an integrated oscillator section, a 14-bit count output, operation from 3 V to 18 V, and a maximum listed frequency of 24 MHz, all in a 16-pin SOIC package. It combines a binary counting chain with an oscillator capable of supporting resistor-capacitor or crystal-based timing networks, making it suitable for digital frequency division, timing generation, and clock-derived waveforms. A CMOS binary counter is a sequential logic device that increments a binary value on each active clock transition. The CD4060BM belongs to the counter and divider hierarchy, within logic ICs and digital timing ICs. Its ripple-counter architecture provides multiple frequency-division outputs, while the oscillator section determines the source frequency used by the internal counting stages. This combination can reduce the need for separate oscillator and divider components in low-to-moderate timing systems. The verified device information identifies a 14-stage ripple-carry architecture, a 14-bit counter output, 3 V to 18 V supply operation, and operation up to 24 MHz. The 16-SOIC package is a surface-mount package from the SOIC family. The counter uses negative-edge triggering, as identified in the DigiKey listing, which must be considered when connecting it to external clock and reset circuitry. Individual timing-pin and output-pin assignments are not available in the supplied source snippets. The CD4060BM architecture is useful when a system needs several divided versions of one clock. Each ripple stage provides a progressively divided frequency, allowing a design to obtain multiple timing references without cascading separate divider ICs. Because the device is implemented in CMOS, it belongs to the low-power logic family and can be used in battery-operated or low-leakage digital systems when operated within the documented voltage and frequency limits. Typical uses include digital clock dividers, pulse-generation circuits, industrial timing modules, periodic-event generators, microcontroller clock subsystems, waveform counters, and laboratory timer boards. In these applications, the integrated oscillator reduces component count, while the divided outputs provide convenient frequencies for counters, displays, control logic, or communication timing. External component selection determines whether the oscillator uses an RC network or a crystal-based arrangement. Designers should verify oscillator-component values, output-drive requirements, reset timing, and unused-output handling directly against the TI CD4060B datasheet. Maximum operating frequency varies with supply voltage and operating conditions, so a 24 MHz design should not be assumed to work identically across the complete 3 V to 18 V range. Decoupling and unused-input treatment should also follow the manufacturer's recommendations. This product record combines verified manufacturer, distributor, and cross-reference information with practical selection guidance, packaging details, pricing context, and an honest assessment of drop-in replacement availability. It distinguishes documented electrical facts from parameters that still require confirmation from the complete manufacturer datasheet.

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CD4063BD - 4-Bit CMOS Magnitude Comparator | Harris
CD4063BD

CD4063BD - 4-Bit CMOS Magnitude Comparator | Harris

The Harris Corporation CD4063BD is a 4-bit CMOS magnitude comparator with eight comparison inputs, three active-high outputs, and three cascading inputs in a 16-pin ceramic dual in-line package. It compares two 4-bit binary or BCD words and reports whether the first word is less than, equal to, or greater than the second word. The device is designed for computer and logic applications that require unsigned magnitude comparison. A magnitude comparator is a combinational logic device within the broader digital comparator family. Its role in a digital system hierarchy is to examine parallel numerical words and generate control or status signals describing their relative order. The CD4063B belongs to the CD4000 CMOS logic family, whose members use complementary MOS logic and are designed for low-power digital systems operating from a common supply rail. The CD4063BD provides eight comparison inputs designated A3 through A0 and B3 through B0. Its three active-high outputs indicate A less than B, A equal to B, and A greater than B. Three cascading inputs allow multiple comparator sections to be combined, making the circuit useful when comparing widths greater than four bits. The ceramic DIP construction also distinguishes the BD grade from commercial plastic-package variants. Operationally, the comparator evaluates all four corresponding bit pairs and produces mutually related ordering outputs. In a cascaded design, the upper section compares the most significant four-bit word and passes the result to the lower section, where it is combined with the lower word comparison. This arrangement supports exact selection, sorting, address decoding, and numerical threshold functions without requiring a general-purpose processor to perform every comparison. Typical applications include digital counters, arithmetic control, industrial control systems, test equipment, address comparators, and embedded control logic. In an address-selection circuit, the comparator can assert an equality output when an input address matches a programmed reference word. In a cascaded magnitude-comparison system, multiple CD4063BD devices can compare wider operands while retaining the three standard ordering outputs at each section. Designers should account for CMOS input and output behavior, supply bypass capacitors, unused inputs, and propagation delay when cascading several stages. Inputs must not float, and every unused input should be tied to a defined logic level. Because the verified source data does not provide the complete electrical limits, pin numbering, or timing tables, those values require confirmation from the applicable manufacturer datasheet before release to production.

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CD4063BE 4-Bit Magnitude Comparator | Texas Instruments
CD4063BE

CD4063BE 4-Bit Magnitude Comparator | Texas Instruments

The Texas Instruments CD4063BE is a CMOS 4-bit magnitude comparator with eight binary or BCD comparison inputs, three active-high outputs, and cascading inputs in a 16-lead PDIP package. It compares two 4-bit words and indicates whether the A word is less than, equal to, or greater than the B word. The device is intended for computer and logic applications where arithmetic, sorting, address decoding, and control sequencing require a direct numerical comparison. A magnitude comparator is a logic IC that compares two multi-bit numeric operands and produces separate results for the less-than, equal-to, and greater-than conditions. In the digital electronics hierarchy, the CD4063BE belongs to the comparator and logic IC category, within the broader CMOS and semiconductor families. Its three outputs allow a system to respond immediately to the relationship between the two input words rather than performing the comparison through multiple gate-level operations. The CD4063BE provides a practical four-bit comparison function using binary or BCD-coded inputs. The active-high A<B, A=B, and A>B outputs make the results easy to combine with other CMOS logic. Three cascading inputs allow multiple comparator sections to be connected when the application requires comparison beyond four bits. The 16-lead plastic dual-inline package provides through-hole assembly and a conventional DIP footprint. Because the CD4063BE is a CMOS comparator, its design emphasizes low power consumption and compatibility with other CD4000-series logic. The device is suitable for digital control systems, industrial controllers, counters, sorting networks, and computer interface logic. The provided manufacturer and distributor information identifies the operating family as CD4063B and the E suffix as the 16-lead plastic dual-inline package option. Typical uses include comparing accumulated digital measurements, resolving priority among several encoded inputs, detecting when a counter has reached a threshold, and supporting arithmetic or sequencing logic. The cascading feature is particularly useful for larger designs, but propagation delay must be considered when multiple stages are combined. The principal design consideration is ensuring that all unused CMOS inputs are connected to a defined logic level and that supply and signal levels remain within the device’s specified operating limits. Because those voltage and timing values were not included in the supplied verified data, engineers should confirm them in the manufacturer datasheet before finalizing a design. Input and output decoupling and clean grounding remain important in systems containing switching noise. This product page combines verified manufacturer and distributor information with practical comparison guidance, replacement considerations, and design notes that are not consolidated in a single manufacturer document. It is intended to help engineers identify the correct logic function, package, sourcing route, and application fit before committing the CD4063BE to a PCB design.

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CD4063BF - 4-Bit CMOS Magnitude Comparator | Texas Instruments
CD4063BF

CD4063BF - 4-Bit CMOS Magnitude Comparator | Texas Instruments

The Texas Instruments CD4063BF is a 4-bit CMOS magnitude comparator with eight binary or BCD comparison inputs, three comparison outputs, and three cascading inputs, packaged in a 16-CDIP ceramic dual-in-line package. The device reports whether word A is less than, equal to, or greater than word B and supports expansion through its cascade inputs. Its specified operating-temperature range is -55°C to +125°C, making the CD4063BF suitable for industrial, control, and legacy-compatibility applications where a wide temperature range is important. A magnitude comparator is a combinational logic circuit used to determine the relative ordering of two multibit numbers. Within the logic hierarchy, the CD4063BF belongs to the comparator and arithmetic-comparison category, the broader CMOS logic family, and ultimately the digital integrated-circuit and semiconductor categories. Unlike a dedicated arithmetic logic unit, a comparator provides only the relational result between two operands, making it useful for control sequencing, sorting stages, threshold decisions, and binary-to-BCD comparison systems. The CD4063BF accepts two groups of four comparison inputs labeled A3 through A0 and B3 through B0. Its primary outputs indicate A less than B, A equal to B, and A greater than B. Additional cascade inputs permit the comparison function to be expanded beyond four bits. The chip is also described as pin-compatible with the standard 7485 TTL magnitude comparator, which supports legacy board-level replacement planning when supply conditions or operating requirements need review. Technically, the CD4063BF belongs to the CD4000 CMOS logic family and is intended for computer and logic systems that compare binary or BCD words. The comparison is implemented as combinational logic, so output states follow the applied input states without a clock. Cascade control determines how the device participates in a wider comparison, allowing engineers to construct larger word-length comparators while preserving the same output convention. Typical uses include industrial sequencing and sorting control, binary or BCD decision logic, interface adaptation between older TTL and CMOS systems, and embedded logic where three relational states must be generated from two 4-bit operands. The -55°C to +125°C operating range also makes the device relevant to temperature-extended industrial equipment, although system-level supply, noise, and timing constraints must still be checked against the manufacturer datasheet. When designing around the CD4063BF, verify every voltage and timing value against the applicable manufacturer data before release. In particular, confirm the supply range, input and output propagation delays, output-drive capability, and unused-input states for the exact package and grade. Because the CD4063BF is a through-hole CDIP device, also allow for lead spacing, insertion clearance, and possible obsolete-part procurement risk. This product record combines the verified TI product description, package and temperature information, distributor availability evidence, and explicitly identified same-family alternatives. It also adds practical comparison guidance and design notes that distinguish a documented drop-in candidate from merely similar CMOS logic devices.

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CD4063BK - 4-Bit Magnitude Comparator | Texas Instruments
CD4063BK

CD4063BK - 4-Bit Magnitude Comparator | Texas Instruments

The Texas Instruments CD4063BK is a CMOS 4-bit magnitude comparator that determines whether two 4-bit binary or BCD words are less than, equal to, or greater than one another. The device accepts eight comparison inputs through A3–A0 and B3–B0, provides three decision outputs for A<B, A=B, and A>B, and includes three cascading inputs so multiple comparator sections can be combined for wider word lengths. It is supplied in a 16-pin surface-mount package identified by the “K” package suffix. A magnitude comparator is a combinational logic circuit within the broader hierarchy of CMOS logic ICs, digital logic, and integrated circuits. It evaluates the numerical relationship between two unsigned operand groups without performing subtraction. This makes the CD4063BK useful when a digital system must make an immediate decision, select a value, sort records, determine equality, or control a downstream branch according to the relative magnitude of two data words. The verified manufacturer information identifies the CD4063B as a 4-bit magnitude comparator intended for computer and logic applications. Its eight comparing inputs represent two complete 4-bit words, while the A<B, A=B, and A>B outputs provide explicit relationship results. Three cascading inputs extend the architecture beyond four bits when larger comparisons are required. Exact propagation-delay, supply-voltage, output-current, and temperature limits were not included in the supplied source excerpts and therefore are not inferred here. Operationally, the comparator evaluates the most significant unequal bit first, using cascaded equality information to support wider comparisons. A design should treat the equality and cascade signals as part of the decision path and preserve their logic levels during unused-input conditions. The available official product page confirms the functional architecture, while the supplied distributor records identify CD4063BK as an active, stocked logic-comparator offering. Typical applications include digital control systems, sorting and selection logic, address and threshold comparisons, arithmetic-system status checks, industrial control logic, and embedded equipment where two binary or BCD values must be evaluated. Cascading capability is particularly useful when the system needs a comparison wider than four bits or when several independently generated results must be combined. Designers should confirm the manufacturer pinout, supply limits, timing characteristics, and unused-input rules against the official CD4063B documentation before layout release. Because this page synthesizes the verified functional description, source links, lifecycle information, and replacement guidance, it provides practical context beyond the distributor listing while clearly identifying parameters that still require datasheet confirmation.

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CD4063BM - 4-Bit CMOS Magnitude Comparator | TI
CD4063BM

CD4063BM - 4-Bit CMOS Magnitude Comparator | TI

The Texas Instruments CD4063BM is a 4-bit CMOS magnitude comparator with eight binary or BCD comparison inputs, three active-high outputs for less-than, equal-to, and greater-than results, and three cascading inputs, supplied in a 16-pin SOIC package. It compares two unsigned 4-bit words and reports their relative magnitude without requiring an external arithmetic processor. A magnitude comparator is a digital logic circuit that determines whether one numeric word is less than, equal to, or greater than another. The CD4063BM belongs to the CMOS logic family and occupies the hierarchy of comparator, digital comparator, logic IC, and integrated circuit. Its binary and BCD support makes it useful in computer, control, arithmetic, and digital decision-making systems where a compact hardware comparator can simplify control logic. The principal features include eight comparison inputs designated A3 through A0 and B3 through B0, plus active-high A<B, A=B, and A>B outputs. Cascading inputs allow multiple comparator sections to be combined when comparing numbers wider than four bits. The manufacturer identifies the CD4063B family as pin-compatible with the standard 7485 TTL type, while the CD4063BM is the 16-SOIC ordering variant. Internally, the device compares the two 4-bit words by evaluating their binary significance and generating mutually exclusive magnitude decisions. This hardware approach provides a direct result without a clock or iterative software loop. For cascading applications, the additional inputs allow a lower-order comparison section to inform a higher-order section, supporting larger multibit comparisons from identical functional blocks. Typical uses include digital control systems, industrial counter and sequencing logic, computer address and data-path comparisons, BCD processing, and embedded decision logic. The three explicit result outputs also allow a controller to branch immediately according to whether the two operands are less than, equal to, or greater than one another. Designers should account for propagation delay, supply-voltage requirements, unused inputs, and output loading when integrating the comparator into longer digital chains. Cascaded sections should follow the manufacturer's input connection and timing guidance. The supplied verified data does not include the complete electrical timing table, so voltage, current, delay, and temperature limits must be confirmed in the manufacturer datasheet before release. This page combines the verified manufacturer description, distributor inventory and price observations, same-package replacement options, and practical design guidance. It separates confirmed CD4063BM facts from parameters that still require datasheet verification, providing engineers with a concise selection and implementation reference.

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CD4067BE - 20V 16:1 Analog Multiplexer | Texas Instruments
CD4067BE

CD4067BE - 20V 16:1 Analog Multiplexer | Texas Instruments

The Texas Instruments CD4067BE is a 20 V, 16:1, single-channel CMOS analog multiplexer with internal address decoding, packaged in a 24-pin PDIP. The verified distributor listing identifies one switch circuit, 16 channels, 240 ohm maximum on-state resistance, and a 3 V to 18 V supply range. It routes one common analog terminal to any of 16 channel terminals selected by four binary address inputs. A strobe input can inhibit the selected connection. This makes the device useful for sensor selection, data acquisition, instrumentation, test systems, and control systems where multiple analog signals must share a limited number of converter or processing inputs. An analog multiplexer is a digitally controlled routing component that connects one common signal to one selected member of a larger signal group. A 16:1 multiplexer provides sixteen input choices through four binary select lines, reducing wiring and conserving converter inputs. CMOS implementations are useful where low static power, wide supply-voltage operation, and bidirectional signal paths are desired. The CD4067BE can also be used as a demultiplexer by exchanging the signal-flow orientation described in the manufacturer documentation, although its primary function is analog multiplexing. The key verified features are 16:1 channel selection, four-level digital addressing, a 240 ohm maximum on resistance, a 20 V maximum supply rating, and operation from 3 V to 18 V according to the available technical sources. The selected channel is controlled by A, B, C, and D address inputs, while the inhibit/strobe function provides channel disabling. Because the on resistance contributes to signal loss and thermal behavior, the source impedance and downstream input impedance should be evaluated together in precision measurement circuits. The internal address decoder reduces the external control logic required to select one of 16 channels. The device is therefore suitable for systems in which a microcontroller or other digital controller must scan resistive, capacitive, voltage, or current-derived analog inputs. Its 24-pin PDIP package is intended for through-hole PCB assembly, while the CD4067B family provides the functional platform and the manufacturer product page supplies the authoritative family information. Typical uses include multiplexed sensor interfaces, automated test equipment, industrial control panels, data-acquisition systems, and analog signal routing between shared measurement circuitry and multiple external sources. When using the CD4067BE, verify signal amplitudes against the supply rails, account for on-resistance error, provide adequate input and output drive paths, and keep sensitive routing away from high-impedance nodes. The verify data does not provide complete timing, leakage, temperature, or absolute-maximum tables, so those values should be confirmed in the manufacturer datasheet before production release.

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CD4067BM - 20V 16:1 CMOS Analog Multiplexer | Texas Instruments
CD4067BM

CD4067BM - 20V 16:1 CMOS Analog Multiplexer | Texas Instruments

The Texas Instruments CD4067BM is a 20 V, single-channel, 16:1 CMOS analog multiplexer or demultiplexer with a 24-pin SOIC package. It provides 240 ohms on-resistance at the distributor-listed operating point, low off leakage current, internal address decoding, and digital selection of one common terminal to any of 16 channel terminals. The device is suited to analog signal routing where a controller must select among multiple sensors, measurement inputs, or signal lines. An analog multiplexer is a switching component that connects one common signal path to one selected member of a larger channel group. A demultiplexer uses the same internal switch network in the opposite signal direction, routing a common input to a selected output. The CD4067B belongs to the CMOS analog-switch family within logic and interface integrated circuits. Its internal address decoder converts four binary select inputs into one of 16 channel states, simplifying control from a microcontroller or digital logic system. Key verified characteristics include a 20 V maximum supply-oriented device rating, 16:1 multiplexing, one analog circuit, and 240 ohms on-resistance as listed by DigiKey. The manufacturer describes low on impedance, low off leakage current, and relatively constant on-resistance over the selected signal range. The four address inputs and inhibit control provide deterministic channel selection, while the common and channel terminals carry the analog signal. Exact voltage, leakage, timing, and temperature limits beyond the supplied verified data are not asserted here. Because the CD4067BM is a CMOS analog switching device, its performance depends on supply voltage, control-signal levels, signal amplitude, leakage, channel resistance, and the impedance presented by the selected source or destination. The common terminal and channel terminals should be treated as analog nodes rather than ordinary digital outputs. Designers should account for off leakage and on-resistance when measuring high-impedance sources, and should ensure that control states remain valid during power transitions. Typical uses include sensor selection, instrumentation signal routing, test-equipment channel selection, data-acquisition systems, and industrial control interfaces. For a sensor front end, the four select lines can choose one of 16 inputs while the inhibit function provides an effective disconnected state. The same topology can be used in reverse when a source must be routed to one of multiple outputs. The analog bandwidth and switching-time limits should be checked against the signal path requirements. A practical design consideration is to keep the selected channel traces short and place suitable bypassing close to the supply pins. The mux should be selected according to source impedance and measurement accuracy: high-impedance sensors may be more sensitive to leakage, while low-impedance drive paths emphasize on-resistance and switching behavior. This page combines verified manufacturer and distributor information, structured application guidance, and source-linked design cautions rather than extrapolating unprovided electrical limits.

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CD4093BM96G4 - CMOS Quad 2-Input NAND Schmitt Trigger | TI
CD4093BM96G4

CD4093BM96G4 - CMOS Quad 2-Input NAND Schmitt Trigger | TI

The CD4093BM96G4 is a CMOS quad 2-input NAND Schmitt trigger integrated circuit from Texas Instruments, packaged in a 14-pin SOIC (SOIC-14). It operates over a supply voltage range of 3V to 18V, making it suitable for a wide variety of battery-powered and industrial applications. The device features four independent NAND gates, each with Schmitt trigger action on both inputs, providing hysteresis for noise immunity and slow input signal conditioning. A Schmitt trigger is a comparator circuit with hysteresis that converts noisy or slowly changing input signals into clean digital outputs. In the CD4093B, each gate switches at different thresholds for positive-going (VP) and negative-going (VN) signals, with the difference (hysteresis) ensuring stable switching and preventing multiple transitions. This makes the CD4093B ideal for interfacing with sensors, switches, and other real-world signals that may have slow edges or noise. Key features of the CD4093BM96G4 include a wide supply voltage range of 3V to 18V, low quiescent current of typically 4µA, and output drive capability of 3.4mA sink and source. The Schmitt trigger inputs provide hysteresis of typically 0.9V at 5V supply, improving noise margin. The device is fully static, allowing operation at any frequency from DC to several MHz, and is pin-compatible with the standard CD4093B family. The CD4093B is fabricated using silicon-gate CMOS technology, which provides low power dissipation and high noise immunity. The Schmitt trigger action is implemented using a feedback network that creates the hysteresis window. This architecture allows the device to operate reliably in noisy environments and to condition signals with slow rise/fall times, such as those from RC oscillators or mechanical switches. Typical applications include waveform shaping, pulse generation, debouncing of mechanical switches, and as an oscillator in RC timing circuits. The CD4093BM96G4 is also used in sensor signal conditioning, where its hysteresis prevents false triggering. Its wide operating voltage range makes it suitable for both 5V and 3.3V logic systems, as well as higher-voltage industrial controls. When designing with the CD4093BM96G4, ensure that input voltages do not exceed the supply rails, and consider adding a series resistor to limit input current if the input may exceed the supply. The Schmitt trigger inputs eliminate the need for external hysteresis components, simplifying circuit design. For high-speed applications, note that propagation delay is typically 80ns at 5V, which is adequate for most control and timing functions.

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CD4097BE - 20V Dual 8:1 Analog Multiplexer | Texas Instruments
CD4097BE

CD4097BE - 20V Dual 8:1 Analog Multiplexer | Texas Instruments

The Texas Instruments CD4097BE is a 20 V dual 8:1 analog multiplexer with internal address decoding, supplied in a 24-pin PDIP package. Each device section provides one multiplexed analog path, and the two sections allow two independent eight-channel selections when their address and enable inputs are driven separately. The verified distributor listing identifies a nominal 240 ohm on-resistance and describes the part as a two-circuit analog switch IC. An analog multiplexer is a semiconductor routing device that selects one of several analog inputs and connects it to a common terminal. In multiplex mode, the selected common terminal receives the active channel; in demultiplex mode, the selected channel terminal receives the common signal. The CD4097B family is digitally controlled while carrying analog signals, placing it between CMOS control logic and external analog front ends. Internal address decoding reduces the control logic required from three address inputs plus an enable input to a binary selection interface. Key verified features include a 20 V maximum supply rating, two 8:1 circuits, eight selection states per circuit, and approximately 240 ohm on-resistance. The manufacturer describes the family as having low on-resistance, low off-leakage, and relatively constant on-resistance across the applied signal range. These characteristics make the mux suitable for routing sensor outputs, measurement inputs, or low-frequency control signals where a compact, reliable selection network is required. The CD4097BE belongs to the CD4000 CMOS logic family and operates from digital address and enable signals. Its 24-pin PDIP package is intended for through-hole PCB assembly rather than high-density surface-mount designs. Because the supplied excerpts do not include complete timing, logic-level, leakage-current, temperature, or absolute-maximum tables, designers should consult the TI CD4097B datasheet before finalizing edge cases. Typical uses include multiplexed sensor acquisition, programmable gain or filter selection, data acquisition systems, instrumentation, and embedded measurement boards. The multiplexer should be placed where the selected signal bandwidth, source impedance, injected noise, and settling time are compatible with the CD4097B. Digital ground and analog return paths should be arranged carefully so control switching transients do not distort the selected measurement. The principal design trade-off is that a multiplexed architecture reduces the number of external analog connections but concentrates signal-routing behavior in one device. Verify the selected channel’s resistance, leakage, charge injection, and settling behavior against the measurement bandwidth. If the analog source has high impedance, use a suitable buffer after the mux or account for the mux impedance in the complete signal path. This product page combines the verified manufacturer and distributor identifiers, package information, and functional context with explicit data gaps for unprovided electrical limits. It is intended to support initial design selection, while the manufacturer datasheet remains the authoritative source for production design decisions and qualification requirements.

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CD4097BM - 8:1 CMOS Analog Multiplexer | Texas Instruments
CD4097BM

CD4097BM - 8:1 CMOS Analog Multiplexer | Texas Instruments

The Texas Instruments CD4097BM is a 20 V, 8:1, single-channel CMOS analog multiplexer with internal address decoding, packaged in a 24-SOIC. Its 240 ohm on resistance, low off leakage, and digital select inputs suit it for routing one analog source among eight channels or distributing one source to eight destinations. A CMOS analog multiplexer is an analog switch controlled by digital logic that connects one common terminal to one selected input or output terminal. The CD4097B family belongs to the CD4000B CMOS logic series and can operate as either a multiplexer or demultiplexer, depending on how the common and channel terminals are connected. Verified device features include low on impedance, low off leakage current, internal binary address decoding, and relatively constant on resistance over the applied signal range. The manufacturer describes the CD4097B as a 20 V, 8:1 differential, one-channel analog multiplexer. The M suffix identifies the listed 24-SOIC ordering variant. The device uses three address inputs to select one of eight channels. In multiplex mode, the selected channel terminal connects to the common terminal; in demultiplex mode, the common terminal becomes the source and the selected channel terminal receives the signal. This arrangement allows a microcontroller or counter to address sensors, measurement inputs, or outputs without a large bank of discrete switches. Typical uses include sensor selection, instrumentation, test and measurement routing, data acquisition, and industrial control. Because the switch path is bidirectional, engineers should verify voltage, current, leakage, and timing limits for the complete signal path. The manufacturer documentation also provides the authoritative pin configuration and electrical limits. For new layouts, place the CD4097BM close to the source and destination circuitry, route the common and selected-channel traces as impedance-sensitive analog nets, and provide adequate bypassing around the supply pins. This page combines verified manufacturer and distributor information with practical routing guidance and sourcing context.

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CD4502BE - 6-Channel 3-18V CMOS Inverting Buffer | Texas Instruments
CD4502BE

CD4502BE - 6-Channel 3-18V CMOS Inverting Buffer | Texas Instruments

Texas Instruments CD4502BE is a 6-channel, inverting CMOS strobed buffer with three-state push-pull outputs, a 3 V to 18 V supply range, and a 16-pin PDIP package. The device combines six inverter channels, common strobe and output-disable control, and bus-interface logic in one CMOS package. A CMOS buffer is a digital logic device that strengthens or isolates signals traveling between circuit sections. A hex inverter contains six independent inverter channels, while a three-state output can be driven low, driven high, or placed in a high-impedance state. The CD4502BE therefore belongs to the CMOS logic family within the broader digital IC and logic-level interface hierarchy. Key verified features include six inverting channels, push-pull output behavior, a strobed operating mode, common output disable, and operation from 3 V to 18 V. Its output-disable input places all six outputs in the high-impedance state when driven by a logic 1. The device is specifically identified as a CMOS strobed hex inverter/buffer suitable for interfacing integrated circuits with data buses. The verified noise-margin figures are 1 V at a 5 V supply, 2 V at 10 V, and 2.5 V at 15 V. These values help quantify the input-level margin available between CMOS stages across the stated supply conditions. The device also meets the requirements identified in the provided source as JEDEC Tentative Standard No. 13B for B-series CMOS devices. Typical applications include CMOS-to-TTL hexadecimal buffering, tri-state data-bus interfacing, level translation between compatible logic families, and systems that require a shared strobe or output-disable function. The inverting architecture must be considered in systems where signal polarity affects downstream interpretation. When designing around the CD4502BE, keep unused inputs in a defined logic state and account for the three-state output behavior during bus contention and disable transitions. The 16-pin PDIP package also requires adequate lead clearance during assembly and appropriate handling in production workflows. This page combines verified manufacturer and distributor information with pin-compatible alternatives, parameter comparisons, pricing context, and practical integration guidance. It distinguishes published characteristics from unavailable details instead of estimating unverified electrical values.

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CD4502BM - 6-Channel 3-18V CMOS Inverter | Texas Instruments
CD4502BM

CD4502BM - 6-Channel 3-18V CMOS Inverter | Texas Instruments

Texas Instruments CD4502BM is a 6-channel CMOS strobed hex inverter/buffer with 3-state outputs, a 3 V to 18 V operating supply range, and a 16-pin SOIC package. The device provides one inverter per channel, common output-disable and inhibit control, push-pull outputs, and noise margins of 1 V at 5 V, 2 V at 10 V, and 2.5 V at 15 V. A CMOS hex inverter/buffer is a logic-family device that combines inversion with controlled output impedance. The CD4502B belongs to the broader hierarchy of CMOS logic, logic buffer or driver, interface IC, and digital semiconductor. Its high-impedance output state allows multiple channels to share a common data bus without active drive contention, while its low-noise-margin operating limits define the voltage range in which attached CMOS circuitry is reliably interpreted. Key features include six independently buffered inverter channels, three-state outputs, a common output-disable input, and a common inhibit input. A logic 1 on OUTPUT DISABLE places all six outputs in the high-impedance state. A logic 1 on INHIBIT drives all six outputs to logic 0 when OUTPUT DISABLE is low. According to the Texas Instruments product page, the device can drive two standard TTL loads, equivalent to six times the JEDEC B-series IOL standard. The CD4502B follows the JEDEC B-series CMOS framework and operates across a 3 V to 18 V supply range. CMOS construction provides high input impedance and low static supply demand, while the buffered push-pull output configuration supports dependable drive into compatible logic loads. The three-state function is especially useful for bidirectional or shared-bus arrangements where multiple devices must be electrically isolated while disabled. Typical uses include CMOS-to-TTL interfacing, data-bus isolation, instrument control, industrial automation, embedded control, and digital signal conditioning. The common disable and inhibit functions allow a system controller to place an entire six-channel group into a safe state or force the group to logic 0, reducing external control logic and simplifying fault handling. The primary design consideration is logic-level compatibility. Supply voltage, input thresholds, fanout, and the enabled or disabled state of every driver must be checked before connecting outputs to a shared bus. Unconnected inputs should not be left floating, and supply bypassing should follow the manufacturer's recommended layout to limit transient noise during output state changes. This product record combines verified manufacturer and distributor information, a pin-compatible alternative review, application guidance, and design-specific cautions. It is intended to help engineers identify the correct logic function, verify package compatibility, and implement the CD4502BM without relying only on a distributor parameter summary.

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CD4503BE - 6-Channel 3-18V Tri-State Buffer | Texas Instruments
CD4503BE

CD4503BE - 6-Channel 3-18V Tri-State Buffer | Texas Instruments

Texas Instruments CD4503BE is a six-channel non-inverting CMOS buffer with three-state outputs, a 3 V to 18 V operating supply range, and two independent disable controls in a 16-lead dual-in-line plastic package. The device provides high sink- and source-current capability, allowing its outputs to be placed in a high-impedance state for bus isolation, shared-data-line arbitration, and cascaded digital systems. According to the manufacturer, the CD4503B family is pin compatible with MM80C97, MC14503, and 340097 industry types. A logic buffer or buffer amplifier is a digital IC that provides buffering, isolation, or current drive between circuit sections. The CD4503BE belongs to the CMOS logic family, whose hierarchy is tri-state buffer, non-inverting buffer, digital logic IC, and semiconductor. Unlike a simple inverter, this device preserves input logic polarity while adding three-state output control. It is useful where multiple logic devices must share a data path without driving each other simultaneously. The six outputs use push-pull drive and can be disabled independently in two groups: one control disables four buffers, while the other disables the remaining two. This grouped control enables a four-channel data bus and a two-channel control or status bus to be isolated together. A 16-pin CD4503BE is useful when a design needs more conventional digital voltage levels than low-voltage CMOS families provide. The CD4503B operates from 3 V to 18 V and is specified with 5 V, 10 V, and 15 V parametric ratings. The manufacturer reports a maximum input current of 1 µA at 18 V across the full package-temperature range and 100 nA at 18 V and 25°C. These leakage characteristics are important when the disabled outputs connect to a shared bus because they influence how quickly a released node can be driven by another device. Typical uses include multiplexed control signals, address or data-bus isolation, interface buffering between independently timed logic sections, and general-purpose tristate fanout. The device is particularly appropriate when several outputs need to share a conductor but must not contend when inactive. It can also buffer control signals entering a wider or longer system-level bus while preserving non-inverting logic behavior. Designers should account for the truth table and polarity of both disable inputs, including their effect on output state and output polarity. Disable-control inputs should not be left floating, and external pull-up or pull-down resistors may be required where a control can enter an undefined state during power-up. When two devices drive the same shared line, only one group should be enabled at a time to prevent shoot-through current and an undefined voltage. This page combines manufacturer specifications, distributor availability, verified pin-compatible cross-references, package details, and practical selection guidance. It also distinguishes true same-package drop-in options from functional substitutes, helping engineers evaluate CD4503BE replacements without assuming that equivalent logic functions always share the same footprint.

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CD4503BF - 6-Channel 3-State CMOS Buffer | Texas Instruments
CD4503BF

CD4503BF - 6-Channel 3-State CMOS Buffer | Texas Instruments

The Texas Instruments CD4503BF is a 6-channel, non-inverting CMOS buffer with three-state outputs, operating from 3 V to 18 V in a 16-pin ceramic dual in-line package (CDIP). It provides high source- and sink-current capability, two independent output-disable controls, and compatibility with the industry-standard MM80C97, MC14503, and 340097 devices. The target CD4503BF ordering code specifies the military CDIP package option. A CMOS buffer is a digital logic IC that reproduces an input signal at its output while providing electrical buffering and increased drive capability. The CD4503BF belongs to the broader CMOS buffer family, which falls within logic ICs, interface ICs, digital semiconductors, and discrete or integrated circuit signal-conditioning products. Its three-state outputs allow each channel to present a normal logic level or enter a high-impedance state, making the device useful where multiple drivers share a bus. The principal features include six non-inverting channels, three-state output control, two disable inputs, operation across a 3 V to 18 V supply range, and one TTL-load output-drive capability. One disable control governs four buffers, while the other controls the remaining two buffers. According to the Texas Instruments CD4503B product data, the device is pin compatible with the MM80C97, MC14503, and 340097 industry types and supports 5 V, 10 V, and 15 V parametric ratings. The maximum input current is specified as 1 µA at 18 V over the full package-temperature range and 100 nA at 18 V and 25°C. These low leakage characteristics help reduce static-current demand in high-impedance states. The CD4503BF uses the CD4503B logic architecture but is offered in a military-style 16-CDIP package, making it relevant to legacy control, instrumentation, industrial, and defense-related systems that require a through-hole ceramic package. Typical uses include bus-interface isolation, multi-driver data buses, address or control-line buffering, test-equipment input conditioning, and legacy computer or industrial-control systems. Because three-state outputs share a common signal path, the system must guarantee that only one enabled driver actively sources or sinks current at a time. Disabled channels should be treated as high-impedance nodes rather than additional pull-up or pull-down devices. The principal design consideration is ensuring correct enable polarity, adequate input levels at every supply voltage, and safe bus contention. Decode the two disable inputs separately because they control different groups of channels. Validate output leakage, source current, sink current, and propagation behavior against the actual bus load before treating the CD4503BF as a direct substitute for a lower-voltage modern logic device. This page consolidates verified manufacturer and distributor information, documented pin-compatible industry references, practical bus-buffer design guidance, and a parameter comparison intended to clarify replacement decisions. It separates verified electrical facts from unavailable details and avoids treating merely similar functions as guaranteed drop-in replacements.

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CD4503BM - Hex Non-Inverting 3-18V Buffer | Texas Instruments
CD4503BM

CD4503BM - Hex Non-Inverting 3-18V Buffer | Texas Instruments

The Texas Instruments CD4503BM is a hex non-inverting CMOS buffer with three-state push-pull outputs, a 3 V to 18 V operating supply range, and two output-disable controls in a 16-SOIC package. The six buffered channels are divided into two independently disabled groups: one control disables four buffers, while the other disables the remaining two buffers. A CMOS hex buffer is a logic-family device that reproduces each input signal at its corresponding output while providing buffering and stronger output-drive capability. Within the logic hierarchy, a buffer is a logic IC, and its tri-state outputs allow a shared bus to place each channel in a high-impedance state when it is not selected. This makes the CD4503BM suitable for bus-interface and data-routing circuits that require non-inverting logic, grouped output disabling, and push-pull operation. The CD4503BM supports the manufacturer’s 5 V, 10 V, and 15 V parametric ratings and includes one TTL-load output-drive capability. Its maximum input current is specified as 1 µA at 18 V over the full package-temperature range and 100 nA at 18 V at 25°C. These characteristics are important when the buffer is powered from a 3 V to 18 V rail or interfaces with CMOS logic that requires minimal input loading. The architecture uses six non-inverting channels and two separate output-disable controls rather than one common enable. This grouped control arrangement allows four outputs to be disabled together while the other two are managed independently. The three-state outputs support high sink and source current, making the device useful where a buffer must support bus loading rather than only provide logic isolation. Typical applications include three-state data buses, control-signal distribution, multi-source digital routing, and systems requiring non-inverting buffer stages. The 16-SOIC package supports compact surface-mount layouts, while the broad 3 V to 18 V supply range accommodates industrial and embedded logic systems. Exact timing, temperature-range, and absolute-maximum details should be confirmed in the manufacturer datasheet before design release. Designers should verify the disable-control polarity and required output state during disable from the CD4503B TYPES datasheet (Rev. C). PCB layouts should preserve short logic traces, adequate supply decoupling, and unobstructed thermal paths. Because the supplied distributor data does not include complete timing curves or per-pin electrical limits, those values should not be inferred from the family description. This page consolidates verified manufacturer information, distributor availability, current pricing, pin-compatible industry references, and practical selection guidance. It also distinguishes verified facts from parameters that still require confirmation, helping engineers evaluate CD4503BM without relying on an incomplete cross-reference listing.

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CD4508BD - CMOS Dual 4-Bit Latch, 5V, DIP-24
CD4508BD

CD4508BD - CMOS Dual 4-Bit Latch, 5V, DIP-24

The Texas Instruments CD4508BD is a CMOS dual 4-bit bus driver/latch built around two identical 4-bit latch sections, each with independent data inputs, outputs, strobe, reset, and output-disable control. The device is specified for a nominal 5 V supply, 260 ns propagation delay, and operation with a 50 pF load capacitance, making it suitable for moderate-speed digital control and data-retention circuits. Its 24-lead through-hole DIP package supports conventional PCB insertion and prototyping workflows. What is a CMOS dual 4-bit latch? A CMOS latch is a clocked digital storage element that uses complementary MOS circuitry to capture logic states while minimizing power dissipation. The CD4508 family belongs to the logic IC hierarchy: dual 4-bit latch -> bus driver/latch -> CMOS logic -> integrated circuit. Its two latch sections can operate as independent storage channels, allowing a system to retain groups of digital signals without requiring separate single-bit latch packages. Key features include two 4-bit latch sections, separate strobe and reset controls, output-disable capability, true CMOS-compatible outputs, and a 5 V nominal supply condition. The verified product listing identifies a 260 ns propagation delay and 50 pF load capability. The CD4508B family is also described as similar to the industry MC14508 type, which helps engineers identify legacy logic families during component migration. The DIP-24 mechanical format is appropriate where through-hole assembly, socketed prototyping, or hand repair is preferred. The latch operating sequence is straightforward: when strobe is high, the corresponding D inputs can appear at Q outputs while disable is low; when strobe transitions low, the presented data is latched. A high reset level forces the outputs to the reset state defined by the device logic. Output disable provides a way to place the outputs in a high-impedance condition when multiple bus sections share a signal path, provided the system respects the device's enable and timing requirements. Typical applications include microcontroller and microprocessor data buffering, peripheral interface isolation, bus transient holding, digital test equipment, and legacy CMOS control systems. The device is most appropriate where the signal rate is moderate and a 5 V CMOS environment is available. Its DIP-24 package also makes it convenient for educational prototypes, repair boards, and systems assembled with through-hole components. When designing around the CD4508BD, verify every strobe, reset, and disable signal against the datasheet truth table and timing diagrams. Keep unused inputs at defined logic levels, provide adequate decoupling close to the supply pins, and account for the 260 ns propagation-delay figure when designing synchronous handshakes. Because the supplied data does not include complete electrical limits or a complete pin map, those details should be confirmed in the manufacturer datasheet before production release. This page combines verified manufacturer and distributor information with a practical interpretation of the latch function, timing, package, and design implications. It also distinguishes verified CD4508BD information from parameters that remain datasheet-dependent rather than guessing missing values.

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CD4510BE - 4-Bit CMOS BCD Up/Down Counter | TI
CD4510BE

CD4510BE - 4-Bit CMOS BCD Up/Down Counter | TI

The Texas Instruments CD4510BE is a 4-bit CMOS presettable BCD up/down counter with a 16-pin PDIP package, operation from 3 V to 18 V, and a typical clock frequency of 8 MHz at 10 V. It combines synchronous counting, parallel preset and reset control, decoded decade outputs, and complementary carry outputs in a single counter IC. A BCD counter is a digital counter that represents each decimal digit with four binary bits. The CD4510BE counts upward through 0 to 9 or downward through 9 to 0, making it useful when a system must operate in a decimal format rather than a free-running 4-bit binary sequence. Within the broader hierarchy, it is a counter and divider within CMOS logic ICs, supporting sequencing, timing, and control functions. The device provides medium-speed operation with a typical clock frequency of 8 MHz at a 10 V supply. Its supply-voltage tolerance allows operation across 3 V to 18 V, while the CD4000-series CMOS architecture provides low static power use relative to many older bipolar counter families. Preset and reset inputs allow a designer to load an initial BCD value or clear the counter independently of its clock-driven count sequence. Internally, the counter uses four synchronously clocked D-type flip-flops with gating arranged to provide T-type flip-flop operation. Four decoded Q outputs and four complementary Q outputs expose the current decade digit. The carry and complementary carry outputs indicate decimal overflow or underflow, allowing multiple CD4510BE devices to form cascaded decimal counting stages without decoding every intermediate value. Typical applications include decade counters, digital clocks and timers, industrial sequencing equipment, test and measurement systems, and control panels that need a decimal display count. The decoded outputs can drive display drivers or logic, while the carry output provides a natural boundary event for incrementing another counter stage. Designers should account for the asynchronous nature of the reset and preset controls, provide clean power and ground connections, and use suitable decoupling close to the device. Clock-edge requirements and signal transition timing must be checked against the operating voltage because permissible clock rates vary with supply voltage. This page combines the manufacturer specifications, package details, cross-reference alternatives, application guidance, and practical design considerations needed to evaluate the CD4510BE as a 16-pin CMOS BCD up/down counter.

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