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Produits (39 000+)

C8051F506-IM - 50MHz 8051 32KB Flash Automotive MCU | Silicon Labs
C8051F506-IM

C8051F506-IM - 50MHz 8051 32KB Flash Automotive MCU | Silicon Labs

The Silicon Labs C8051F506-IM is an 8-bit 8051-core mixed-signal microcontroller running at 50 MHz, integrating 32 KB of in-system programmable Flash and 4.25 KB of RAM in a 32-pin QFN (5x5 mm) package. It is AEC-Q100 qualified for automotive and industrial use, supports an extended operating temperature range up to +125 °C, and operates from a 1.8 V to 5.25 V supply. According to the Silicon Labs product page, the device is positioned as a highly integrated automotive and industrial MCU with integrated communication interfaces including CAN and LIN. An 8051 microcontroller is a Harvard-architecture 8-bit CPU originally introduced by Intel in 1980 and now widely licensed and extended by Silicon Labs (formerly Cygnal), Nuvoton, and others. The C8051F50x family belongs to the broader Mixed-Signal ISP Flash MCU Family - a hypernym hierarchy that places it under 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. Modern 8051 cores from Silicon Labs achieve up to 50 MIPS throughput and integrate analog peripherals such as ADC, DAC, comparators, voltage references, and communication controllers onto a single die, eliminating external analog components. Key features of the C8051F506-IM include 32 KB (32K x 8) Flash, 4.25 KB RAM (256 bytes standard + 4 KB AUX RAM), a 12-bit ADC with up to 25 channels, an on-chip temperature sensor, two analog comparators, integrated CAN 2.0B and LIN 2.1 controllers, and 25 digital I/O lines. The 50 MHz core delivers 50 MIPS instruction throughput, making it suitable for real-time control loops. On-chip oscillators (24 MHz internal) eliminate external crystals in many designs. Typical applications include automotive body controllers and sensor nodes, LIN/CAN-connected ECUs, industrial CANopen or DeviceNet slaves, brushless DC motor control, and low-power sensor hubs. The AEC-Q100 grade and 125 °C capability let designers deploy the same firmware into under-hood and cabin environments. The wide 1.8 V-5.25 V supply range also enables direct connection to Li-ion or 3.3 V digital rails without level shifters. When designing with the C8051F506-IM, place the bypass capacitors (one 0.1 µF plus one 4.7 µF bulk) within 5 mm of the VDD pin to minimize digital switching noise on the analog reference. For automotive applications, follow the Silicon Labs EMC guidelines for CAN bus termination (typically 120 Ω split termination) and route LIN bus traces away from switching nodes. This page synthesizes distributor pricing, drop-in alternative cross-references, and practical design notes that go beyond what is in the manufacturer datasheet, helping engineers shorten evaluation cycles and make informed replacement decisions.

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C8051F564-IQ - 50MHz Mixed-Signal 8051 MCU | Silicon Labs
C8051F564-IQ

C8051F564-IQ - 50MHz Mixed-Signal 8051 MCU | Silicon Labs

The Silicon Labs C8051F564-IQ is an 8-bit C8051F56x mixed-signal microcontroller with a 50 MHz clock, 16 KB of Flash program memory, 2.25 KB of RAM, and a 32-LQFP 7 mm × 7 mm package. It operates from a 1.8 V to 5.25 V supply and provides 25 general-purpose I/O pins. CAN and LIN serial interfaces, mixed-signal conversion capability, and an automotive or industrial temperature grade make the device suitable for embedded control, communications, sensing, and actuator systems. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, peripheral interfaces, and I/O on one device. The C8051F564-IQ belongs to the C8051F56x mixed-signal MCU family and combines an 8051-compatible processing core with analog and digital control resources. Its mixed-signal architecture allows one microcontroller to supervise sensors, process control signals, manage communications, and actuate system outputs without requiring several separate controllers. The 50 MHz operating speed supports faster control-loop execution and efficient handling of serial traffic. Its 16 KB Flash memory provides on-chip storage for firmware, while 2.25 KB of RAM supports working variables, stack operations, and communication buffers. The device also includes CAN and LIN interfaces, enabling network participation in vehicle, industrial, and distributed embedded-control architectures without requiring an external network transceiver. The 1.8 V to 5.25 V operating range supports low-voltage industrial systems, 3.3 V equipment, and conventional 5 V embedded platforms. Programmable analog and timing peripherals are useful for acquisition, monitoring, and precise control tasks. The 25 I/O pins provide interfaces for sensors, switches, displays, communications, and power-control signals, while the compact 32-LQFP package simplifies surface-mount assembly. Typical applications include automotive body and comfort modules, industrial sensor nodes, CAN or LIN network controllers, motor and actuator controllers, and low-voltage embedded instrumentation. The integrated communications make it especially useful where multiple nodes must exchange status or control information over a vehicle or industrial network. Design the PCB with short return paths for ground and sensitive analog inputs, and route communication signals away from switching nodes. Confirm oscillator, reset, power, and decoupling requirements against the manufacturer datasheet. Treat -I as the industrial temperature option, and verify its complete operating-temperature limits before final qualification. This page combines package, memory, speed, interface, and application guidance with practical selection notes for engineers evaluating the C8051F564-IQ in mixed-signal embedded-control designs.

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C8051F574-IM - 50MHz 8-Bit Flash MCU | Silicon Labs
C8051F574-IM

C8051F574-IM - 50MHz 8-Bit Flash MCU | Silicon Labs

Silicon Labs C8051F574-IM is an 8-bit C8051F57x mixed-signal microcontroller with a 50 MHz operating frequency, 16 KB of flash memory, and a 40-QFN package measuring 6 x 6 mm. It belongs to the Silicon Labs C8051 family of 8051-compatible embedded processors and combines an integrated flash MCU core with mixed-signal peripherals for compact control systems. A microcontroller is a programmable semiconductor device that integrates a processor core, memory, and peripherals into one package. In the broader hierarchy, the C8051F574-IM is an MCU, an embedded controller, and a flash-memory microcontroller. The 8051 architecture provides a familiar instruction set and development environment, while the higher operating frequency supports faster control-loop execution and responsive peripheral handling. The C8051F574-IM is identified as an 8-bit device with 50 MHz performance and 16 KB, or 16K x 8, of flash memory. Its 40-QFN package supports surface-mount assembly and provides a compact solution for embedded products requiring mixed-signal control, data acquisition, communication, or general-purpose automation. The family designation C8051F57x indicates a device within Silicon Labs' C8051 mixed-signal flash MCU product line. The available product information confirms the core device identity, flash capacity, clock frequency, architecture, and package dimensions. Detailed peripheral inventories, electrical limits, pin names, and memory-map functions should be confirmed against the manufacturer datasheet before a new PCB is released. The package drawing and pin-assignment table are especially important because the 40-QFN footprint includes a fine-pitch lead arrangement and an exposed thermal pad. Typical applications for this MCU include industrial control modules, compact sensor interfaces, motor-control subsystems, communication equipment, and low-cost embedded instruments. The mixed-signal capability is useful when a system must combine digital control with analog measurement or control functions while keeping the component count and board area low. The 50 MHz clock can improve timing margin for protocol handling and real-time control tasks, subject to the peripheral and electrical limits in the datasheet. When designing around the C8051F574-IM, begin with the datasheet pin description, memory organization, clock requirements, decoupling recommendations, and programming interface. Verify the exposed-pad connection and thermal design before production, because the 40-QFN package is intended for compact surface-mount layouts rather than through-hole assembly. This page combines the confirmed C8051F574-IM specifications with packaging guidance, application context, and the available verified cross-reference information for engineering planning.

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CA3420AE - BiMOS Op-Amp, 0.5MHz, Low-V, pA Input | Renesas
CA3420AE

CA3420AE - BiMOS Op-Amp, 0.5MHz, Low-V, pA Input | Renesas

The Renesas CA3420AE is a 0.5 MHz low-supply-voltage operational amplifier that integrates PMOS and bipolar devices (BiMOS) on a single monolithic die, housed in an 8-pin PDIP package. The CA3420A grade (suffix 'A') provides tighter input offset voltage specifications than the standard CA3420, with typical input bias currents below 1 pA and operation from a single supply as low as 2 V (and up to 15 V). According to the Renesas/Intersil datasheet, the CA3420AE uses gate-protected PMOS transistors in the input stage to deliver extremely high input impedance, making it well suited for transducer buffers, electrometer-style front ends, and any application where leakage from the op-amp input would otherwise corrupt a high-impedance signal. What is a BiMOS operational amplifier? A BiMOS op-amp is a hybrid analog integrated circuit that combines the high input impedance and ultra-low input current of PMOS transistors with the strong drive capability and DC precision of bipolar transistors. This places the BiMOS family in the broader taxonomy: operational amplifier -> amplifier IC -> linear IC -> analog signal chain -> semiconductor. Compared with a pure bipolar op-amp, a BiMOS part offers several picoamperes of input bias (rather than nanoamperes), and compared with a CMOS op-amp, a BiMOS part typically delivers higher output drive and better DC accuracy. Key features include 0.5 MHz unity-gain bandwidth, internal phase compensation for unity-gain stability, a unique bootstrapped guardbanding network that minimizes leakage, and rail-to-rail-ground sensing on the low side. The PMOS input pair gives the CA3420AE an input impedance exceeding 1 Tohm, and the bipolar output stage can swing within millivolts of ground while sinking several milliamps - a useful trait when the supply is only a few volts and headroom is at a premium. The CA3420AE is internally compensated and designed to operate from a single 2 V to 15 V supply (or dual ±1 V to ±7.5 V), making it compatible with low-voltage battery and legacy ±5 V analog rails. The bipolar output stage, combined with the PMOS input pair, gives the part its distinctive low-input-current / moderate-drive profile. Typical applications include pH and ion-selective electrode buffers, photodiode transimpedance preamps, precision long-time-constant integrators, sample-and-hold circuits, and high-impedance sensor signal conditioning. The wide supply range and single-supply ground-sensing capability make it a strong fit for battery-powered instrumentation as well as industrial process-control front ends. When designing with the CA3420AE, observe that the bipolar output stage cannot swing fully to the positive rail - typically leaving roughly 1 V of headroom - so design the surrounding circuit with appropriate margin. Input traces should be guarded to fully realize the 1 pA input bias advantage; unterminated high-impedance nodes will pick up 50/60 Hz hum and any nearby leakage. This page synthesizes Renesas datasheet specifications, distributor pricing snapshots, and pin-compatible cross references for engineers evaluating the CA3420AE for low-leakage precision analog front ends.

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CA3420E - 0.5MHz BiMOS Op-Amp 8-PDIP | Renesas
CA3420E

CA3420E - 0.5MHz BiMOS Op-Amp 8-PDIP | Renesas

The Renesas CA3420E is a 0.5 MHz, low-supply-voltage, low-input-current BiMOS operational amplifier housed in an 8-pin PDIP through-hole package. It combines PMOS input transistors with bipolar output devices on a single monolithic die, delivering rail-to-rail output swing, sub-picoampere input bias current, and operation from a 2 V to 15 V single rail (or ±1 V to ±7.5 V dual). The CA3420E is a general-purpose single-channel op-amp designed for high-impedance front-ends where CMOS-class I_B cannot be matched by classic bipolar parts. A BiMOS operational amplifier is a hybrid analog IC architecture that marries the high input impedance and near-zero gate current of PMOS transistors at the input stage with the high transconductance, high slew capability, and low offset drift of bipolar transistors at the gain and output stages. Within the broader taxonomy, BiMOS op-amps sit between pure CMOS op-amps (lowest I_B, lowest noise, lowest speed) and pure bipolar op-amps (highest speed, higher I_B). They occupy the use-case niche of picoampere-input instrumentation, charge amplifiers, pH/ORP electrodes, photodiode transimpedance, and high-impedance buffers where neither extreme of the trade-off curve is acceptable. Key features of the CA3420E include an input bias current below 1 pA (typical), rail-to-rail output swing, a unity-gain bandwidth of approximately 0.5 MHz, single-supply operation as low as 2 V, and internal gate-protection diodes on the PMOS inputs. The internal bootstrap network provides a unique guardbanding scheme that reduces leakage paths, an important advantage in high-temperature or high-humidity environments where PCB contamination would otherwise dominate leakage. The DIP-8 package simplifies breadboarding, socket replacement of legacy designs, and through-hole repair workflows in industrial instrumentation. Architecturally, the input differential pair uses PMOS transistors with on-chip gate protection. The second stage is bipolar, and the output is a bipolar class-B push-pull capable of rail-to-rail swing. The combination produces low input current, modest GBW, low quiescent current, and adequate phase margin for unity-gain buffer operation. The CA3420 is the broader family; the CA3420E denotes the 8-PDIP package, with the CA3420EZ being the SOIC-8 variant. An automotive/extended-screening grade CA3420E/AE also exists. Typical applications include pH and ORP probe buffers, photodiode transimpedance front-ends, electrometer-grade instrumentation, ion-selective electrode amplifiers, smoke-detector ionization-chamber interfaces, and legacy analog signal chains designed around CA3420 generations. The combination of sub-picoampere I_B and rail-to-rail output is rare and useful in battery-powered portable instrumentation. When designing with this device, note that the 0.5 MHz GBW restricts use to DC and low-frequency signal chains. For higher-speed applications (>100 kHz full-power), a different op-amp topology is required. Input protection against ESD strikes beyond the internal diodes is recommended for handheld probes.

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CAI-NVES1T9K1V - 1.9TB E1.S NVMe Gen4 SSD | Cisco | UCS Servers
CAI-NVES1T9K1V

CAI-NVES1T9K1V - 1.9TB E1.S NVMe Gen4 SSD | Cisco | UCS Servers

The Cisco CAI-NVES1T9K1V is a 1.9TB enterprise NVMe solid state drive in an E1.S (15 mm) form factor, built on the Kioxia XD7P high-performance, media-endurance controller platform with a PCI Express 4.0 x4 NVMe interface. It is a factory-qualified internal storage option for Cisco UCS C845A M8 AI rack servers, providing hardware-based encryption for data-at-rest protection in AI training and inference clusters. An E1.S SSD (EDSFF Short, 15 mm) is a member of the Enterprise and Data Center Standard Form Factor (EDSFF) family, an industry specification that replaces legacy 2.5-inch and M.2 drives in dense servers. E1.S sticks slide vertically into server drive bays, improving airflow, hot-swap serviceability, and per-rack storage density compared with U.2 drives. Within the storage hierarchy, the XD7P sits in the high-performance, mixed-use enterprise NVMe tier, balancing read and write endurance for demanding workloads. Key features include 1.9TB raw capacity, PCIe 4.0 NVMe connectivity for multi-GB/s throughput and low queue latency, hardware encryption, and the Kioxia XD7P controller paired with enterprise-grade NAND rated for high endurance (media endurance class). The drive is validated end-to-end by Cisco for the UCS C845A M8, including firmware, thermal, and power-management behavior under the server's EDSFF backplane. Technically, the PCIe 4.0 x4 link provides approximately 7.9 GB/s of aggregate bandwidth per drive slot, allowing the C845A M8 to scale local flash performance alongside NVIDIA GPU acceleration. The 15 mm E1.S height accommodates higher NAND die stacks and a larger heatsink surface than 9.5 mm E1.S variants, supporting sustained write performance in thermally constrained AI chassis. Typical applications include Generative AI fine-tuning and inference data staging on the UCS C845A M8, high-performance virtualization and databases, and GPU server boot plus scratch storage. When designing a storage configuration, verify the C845A M8 drive-bay population rules and ensure adequate chassis airflow, as E1.S drives throttle under sustained writes if inlet temperature limits are exceeded. This page synthesizes distributor pricing from multiple sources, lifecycle status, and application guidance not consolidated in any single datasheet.

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CAT24C04YI-GT3 - 4Kb I2C Serial EEPROM, 400kHz | onsemi
CAT24C04YI-GT3

CAT24C04YI-GT3 - 4Kb I2C Serial EEPROM, 400kHz | onsemi

The onsemi CAT24C04YI-GT3 is a 4-Kbit (512 x 8) I²C CMOS Serial EEPROM organized as 32 pages of 16 bytes each, supporting both Standard (100 kHz) and Fast (400 kHz) I²C protocols. Housed in an industrial-grade 8-pin TSSOP package, it operates from 1.8V to 5.5V with access time of 900 ns and provides 1,000,000 program/erase cycles endurance with 100-year data retention. A serial EEPROM is a non-volatile memory device accessed via a low-pin-count serial bus, used to store user-configurable parameters such as calibration data, device IDs, and configuration registers. The CAT24C04 sits in the EEPROM > non-volatile memory > memory IC > integrated circuit taxonomy, and serves as a compact, parameter-sensitive solution to embedded non-volatile storage needs. Key features include hardware write protection via the WP pin, software write protection through block-level access control, and 16-byte page write mode for efficient multi-byte programming. The device uses a self-timed write cycle and integrates noise suppression filters on the SCL/SDA inputs, eliminating the need for external RC components. It also supports hardware device address selection through the A0-A2 pins to support up to 8 devices on the same bus. The CAT24C04YI-GT3 uses CMOS technology with a 2-wire I²C serial interface compatible with industry-standard EEPROM protocols. The device addresses memory using a 2-byte address scheme with the two most significant bits embedded in the device address byte, allowing pin-to-pin compatibility with the smaller-density CAT24C02x. The wide VCC range (1.8V-5.5V) supports both 3.3V and 5V system designs without level shifting. Typical applications include consumer electronics configuration storage, industrial sensor calibration, IoT device parameter storage, white goods settings retention, smart meter data logging, and automotive infotainment non-volatile memory. The 8-pin TSSOP package is well-suited for compact PCB designs where board space is constrained. When designing with this EEPROM, ensure SDA/SCL pull-up resistors (2.2kΩ to 10kΩ depending on bus capacitance) are placed close to the bus master. Verify the total bus capacitance including all device pins remains below 400 pF for reliable Fast-mode operation at 400 kHz. This page synthesizes distributor pricing, drop-in alternatives across onsemi and competitor families, and practical design notes not found in the manufacturer datasheet.

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CAT25256VI-GT3 - 256Kb SPI EEPROM, 20MHz, 8-SOIC | onsemi
CAT25256VI-GT3

CAT25256VI-GT3 - 256Kb SPI EEPROM, 20MHz, 8-SOIC | onsemi

The onsemi CAT25256VI-GT3 is a 256-Kbit (32K x 8) Serial CMOS EEPROM with an SPI interface, operating at clock frequencies up to 20 MHz, and housed in an 8-pin SOIC package. It integrates a 64-byte page write buffer and supports the Serial Peripheral Interface protocol alongside 3-wire variants. The device is enabled through a Chip Select (CS) input and uses clock input (SCK), data input (SI), and data output (SO) lines for synchronous serial communication. A Serial EEPROM, also known as an E2PROM or Serial Electrically Erasable Programmable Read-Only Memory, is a non-volatile memory device that communicates over a serial bus such as SPI, I2C, or Microwire. The CAT25256 belongs to the SPI-interface EEPROM category, within the broader hierarchy of EEPROM -> non-volatile memory (NVM) -> memory IC -> semiconductor. Serial EEPROMs are typically used to store small amounts of configuration, calibration, or user data that must persist across power cycles, occupying far less board area than parallel EEPROMs or flash devices. The CAT25256VI-GT3 is offered in the industry-standard 8-SOIC footprint, making it a drop-in-friendly choice for both new designs and legacy system upgrades. Key features include a 256 Kbit (32 Kbyte) memory density organized as 32,768 bytes, hardware write protection via the WP pin, and a HOLD pin that allows the host controller to pause a serial transaction without deselecting the device. The CAT25256VI-GT3 supports single supply voltages from 1.8 V to 5.5 V, with an extended operating temperature range of -40°C to +125°C suitable for industrial and automotive-grade environments. The CAT25256VI-GT3 employs CMOS technology for low-power operation, and its page-write capability allows up to 64 bytes to be written in a single internal write cycle, dramatically reducing total programming time when compared to byte-at-a-time EEPROMs. The device uses a self-timed internal write mechanism with automatic erase-before-write, and the WP pin can be used to lock the upper memory quadrant or the entire memory array. The CAT25256VI-GT3 complies with SPI modes 0 and 3 (CPOL/CPHA = 0,0 or 1,1), making it compatible with virtually any microcontroller. Typical applications include storage of user preferences in consumer appliances, configuration data in industrial controllers, calibration coefficients in sensor signal conditioning boards, and parameter storage in white goods, networking equipment, automotive modules, and any low-power embedded system. The wide 1.8 V to 5.5 V supply range also makes it ideal for battery-powered portable devices. When designing with the CAT25256VI-GT3, ensure that the WP pin logic level is defined (tie to VCC if write protection is not used) and that the HOLD pin is tied to VCC if the host will not use it. Connect a 100 nF decoupling capacitor close to the supply pin to suppress supply-induced noise. Software routines should respect the maximum 5 ms page-write cycle time before initiating the next access. This page synthesizes distributor pricing, onsemi datasheet excerpts, drop-in alternatives, and engineering design notes that go beyond the manufacturer's part-number listing.

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CC3220SF12ARGKR - SimpleLink Wi-Fi MCU, 1MB Flash, 256kB RAM | Texas Instruments
CC3220SF12ARGKR

CC3220SF12ARGKR - SimpleLink Wi-Fi MCU, 1MB Flash, 256kB RAM | Texas Instruments

The Texas Instruments CC3220SF12ARGKR is a SimpleLink 32-bit Arm Cortex-M4 Wi-Fi wireless microcontroller SoC with 1MB of internal Flash and 256kB of RAM, offered in a 64-pin VQFN (RGK) package with exposed thermal pad. It integrates an RF transceiver supporting IEEE 802.11 b/g/n at 2.4 GHz with 18 dBm transmit power output and -96 dBm receive sensitivity, alongside an applications Cortex-M4 MCU that runs user application code directly on-die. The part is the highest-memory variant of the three-member CC3220x family, distinguished by its dedicated 1MB user Flash. A SimpleLink Wi-Fi wireless MCU is a single-chip solution that combines an industry-standard microcontroller core with a Wi-Fi network processor, offloading the complex 802.11 MAC/PHY stack so the host MCU can focus on application logic. The CC3220x family sits within TI's broader SimpleLink MCU platform, which also includes low-energy Bluetooth, Sub-1 GHz, and host MCUs that share a common SDK and toolchain. The network processor subsystem includes its own ARM Cortex-M3 dedicated to Wi-Fi, hardware crypto engines, and a TCP/IP stack, allowing the application Cortex-M4 to wake only when needed for ultra-low-power IoT operation. Key features include integrated Wi-Fi security with hardware-accelerated WPA2 and WPA3, 27 GPIO pins, and a rich serial peripheral set including ADC, I2C, SPI, UART, and PCM interfaces. The wide supply range of 2.1V to 3.6V supports direct connection to a single Li-ion cell or 3.3V regulated rail. The CC3220SF12ARGKR is the SF (Secure Flash) variant with 1MB user Flash, building on the CC3220S's MCU-level file-system encryption, secure boot, and debug security, and the CC3220R's IoT networking security and device identity/keys. Architecturally, the CC3220SF separates the Wi-Fi network processor from the user application MCU, allowing independent firmware updates for each subsystem. The integrated hardware crypto block accelerates AES, SHA, and TLS handshake operations, offloading the application MCU. This makes it well-suited for cloud-connected IoT nodes where TLS handshake latency and power budget are critical. Typical applications include cloud-connected home automation gateways, industrial IoT sensor nodes reporting over MQTT, Wi-Fi-enabled medical telemetry devices, smart appliances with Over-The-Air update capability, and asset tracking beacons. The 1MB Flash supports richer application code than the CC3220S variant. When designing with this device, carefully follow TI's layout guidelines for the RF section, paying particular attention to the 50-ohm antenna trace impedance and ground plane stitching. The CC3220SF includes a 4-wire JTAG debug interface; ensure the debugger reset line is correctly pulled during flash programming to avoid bricking. This page synthesizes distributor pricing, drop-in CC3220x family alternatives, and practical design considerations not found in a quick scan of the manufacturer datasheet.

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CD4010BE - CMOS Hex Buffer/Converter | Texas Instruments
CD4010BE

CD4010BE - CMOS Hex Buffer/Converter | Texas Instruments

The Texas Instruments CD4010BE is a CMOS hex non-inverting buffer/ converter with six one-bit elements, push-pull outputs, and a 16-pin PDIP package. It is designed for CMOS-to-TTL or DTL logic-level conversion and can also serve as a CMOS high-sink-current driver. The verified manufacturer product information identifies the device as a 16-pin non-inverting hex buffer/converter operating across a temperature range of -55 °C to 125 °C. A logic buffer is a digital IC that reproduces a binary input at its output while providing buffering, isolation, or voltage-level translation. A level converter sits within the broader hierarchy of logic ICs and interface ICs, connecting circuits that use different voltage domains. The CD4010BE belongs to the CMOS 4000-series logic family and combines six non-inverting conversion channels in one through-hole package. The six-element architecture allows multiple logic signals to be buffered within a single integrated circuit. Each channel operates as a one-bit, non-inverting element, while the push-pull output configuration provides a defined output arrangement. This makes the part relevant to legacy digital systems that need a compact solution for translating logic levels or driving multiple CMOS loads without changing an existing DIP-based board. The CD4010BE can be used as a CMOS-to-TTL or DTL interface element because the manufacturer documentation specifically identifies those conversion roles. It can also operate as a CMOS high-sink-current driver, providing a useful distinction from a plain passive buffer. The 16-lead PDIP format supports conventional through-hole PCB assembly and is compatible with standard 7.62 mm pitch layouts. Typical uses include legacy processor and peripheral interface circuits, control-logic boards, instrumentation, industrial control systems, and repair or modernization of equipment built around TTL and CMOS logic. In a level-shifting circuit, one CD4010BE can handle six related signals, reducing component count compared with discrete converters. Its non-inverting behavior preserves the logical relationship between each input and corresponding output. The primary design consideration is that this is a DIP-16 through-hole device rather than a surface-mount part. Board layout, connector spacing, assembly method, and mechanical clearance must therefore account for the package dimensions and 7.62 mm lead pitch. Engineers should also verify operating voltage, input levels, output drive, and timing against the complete manufacturer datasheet before using the converter in a new voltage domain. This product page consolidates verified manufacturer and distributor information, sourcing details, technical comparisons, and practical replacement guidance. It is designed to help engineers evaluate the CD4010BE, locate its documentation, understand its intended logic-converter role, and determine whether a verified drop-in substitute is available for an existing 16-pin design.

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CD4010BF - Hex Non-Inverting Buffer/Converter | Texas Instruments
CD4010BF

CD4010BF - Hex Non-Inverting Buffer/Converter | Texas Instruments

Texas Instruments CD4010BF is a CMOS hex non-inverting buffer/ converter containing six independent one-bit buffer elements in a 16-pin CDIP package. The device provides push-pull outputs and can be used as a CMOS-to-TTL or DTL logic-level converter or as a CMOS high-sink-current driver. Its six-channel organization makes it suitable for buffering six control, address, or data signals where non-inverting logic behavior and a ceramic-DIP footprint are required. A buffer is a digital interface component that reproduces a logic input at its corresponding output while providing isolation, drive strength, or voltage-level translation between circuit domains. The CD4010BF belongs to the CMOS logic hierarchy: buffer/ converter, digital buffer, logic IC, and semiconductor. Unlike an inverting buffer, every output follows the polarity of its associated input, which simplifies control-signal routing where active-high or active-low logic must remain unchanged. The principal documented features include six non-inverting elements, one bit per element, push-pull output, CMOS construction, and a 16-pin CDIP package. The verified Texas Instruments product information identifies an operating temperature range of -55°C to +125°C. The search data also describes the device as suitable for CMOS-to-TTL or DTL level conversion and as a high-sink-current driver, although detailed output-current, supply-voltage, propagation-delay, and absolute-maximum limits were not included in the supplied records. Typical uses include buffering control signals between older CMOS and TTL logic families, driving compatible digital inputs, isolating multiple lines in industrial equipment, and preserving six logic channels in legacy instrumentation. Because the B suffix denotes the temperature grade in the naming convention shown by Texas Instruments, engineers should confirm ordering details, grade requirements, and sourcing directly against the manufacturer documentation before placing a production order. The principal design consideration is to verify the target logic family’s input thresholds and output drive requirements in the complete datasheet. A CDIP package is also mechanically distinct from surface-mount options, so an SOIC or other alternative cannot be treated as a direct PCB drop-in replacement. Existing 16-pin ceramic-DIP layouts may accept pin-compatible CD4010B-family devices, but supply-temperature grade and manufacturer qualification still need separate review. This page consolidates verified distributor and manufacturer references, package details, documented operating-temperature information, drop-in candidate research, and practical selection guidance. It separates confirmed facts from parameters that still require direct confirmation from the full manufacturer datasheet, helping engineers evaluate the CD4010BF without confusing electrical equivalence with mechanical interchangeability.

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CD4010BM - Hex Non-Inverting Buffer | Texas Instruments
CD4010BM

CD4010BM - Hex Non-Inverting Buffer | Texas Instruments

The Texas Instruments CD4010BM is a CMOS hex non-inverting buffer and converter containing six independent 1-bit buffer elements with push-pull outputs, supplied in a 16-pin SOIC package. Its rated operating temperature range is -55°C to 125°C, and the device is qualified at 5 V, 10 V, and 15 V parametric supply levels. Maximum input current is specified as 1 µA at 18 V across the full package-temperature range, with a typical value of 100 nA at 18 V and 25°C. The manufacturer also specifies 100% testing for quiescent current at 20 V. A CMOS logic buffer is an interface device that reproduces a binary input signal at its output without changing its logic polarity. In the signal-processing hierarchy, this six-channel device belongs to the CMOS logic family and the broader category of buffers and logic-level converters. The non-inverting configuration preserves high and low logic states, making the CD4010BM useful for signal buffering, distribution, and CMOS-to-TTL or DTL interface applications. The six independent channels provide flexible implementation of parallel data paths, control-signal isolation, fanout distribution, and logic conversion. Push-pull outputs are suitable for driving CMOS loads and support reliable operation at both logic levels. Operation is supported at 5 V, 10 V, and 15 V parametric ratings, while the verified 18 V input-current data indicates a maximum supply operating point of 18 V. The specified low input current helps minimize loading on the driving circuit. The CD4010B family was designed around CMOS operating principles and provides independent non-inverting channels rather than a shared multiplexed data bus. This architecture avoids the bus-sharing restrictions of multiplexers and allows every input and output to be used simultaneously. The manufacturer documentation specifically identifies the CD4010B family for use as CMOS-to-TTL or DTL logic-level converters and as CMOS high-sink-current drivers. Typical applications include buffering multiple digital control lines, translating slow or lightly loaded CMOS signals into more capable logic-driver outputs, distributing clock or gate signals, and supporting industrial or embedded systems that mix CMOS and legacy TTL or DTL interfaces. Six channels in one 16-pin package also reduce board area compared with six discrete single-channel buffers. Because the outputs are non-inverting, the part is preferable where polarity must remain unchanged. Designers should verify input and output voltage levels against the load technology rather than assuming every TTL interface is guaranteed at every supply condition. Unused input pins must not float, and unused outputs should be left unconnected unless required by a specific test configuration. The 16-pin SOIC package also requires adequate lead spacing and soldering time appropriate for a 1.27 mm-pitch surface-mount footprint. This page consolidates the verified manufacturer and distributor information, identifies the supported voltage and temperature qualifications, clarifies the limitations of drop-in replacement data, and provides practical interface-selection guidance beyond the basic catalog description.

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CD4010CN - Hex Non-Inverting CMOS Buffer | onsemi
CD4010CN

CD4010CN - Hex Non-Inverting CMOS Buffer | onsemi

The onsemi CD4010CN is a monolithic six-element, non-inverting CMOS buffer with one bit per element, supplied in a 16-pin PDIP package. It operates from a single positive supply, uses complementary NMOS and PMOS enhancement-mode transistors, and provides output swings essentially equal to the supply voltage. The device is intended for logic-level buffering where multiple non-inverting outputs can isolate a source from downstream loads without changing logic polarity. A CMOS logic buffer belongs to the digital buffer and line-driver hierarchy, which sits between combinational logic ICs and interface circuits. The CD4010 family contains six independent buffer channels rather than gates with tied inputs and outputs. This arrangement allows each input to be connected directly to its corresponding output without inversion, making the device useful for fan-out, signal isolation, level-preserving distribution, and general-purpose logic interfacing. The key verified feature set includes six non-inverting elements, one bit per element, monolithic complementary MOS construction, and output operation close to the supply rails. Because each buffer provides an independent signal path, a circuit can use all six channels or leave unused inputs terminated according to the manufacturer's guidance. Its through-hole PDIP format is also appropriate for legacy industrial, control, instrumentation, and educational equipment where DIP sockets and hand or wave soldering remain common. Internally, the N-channel and P-channel enhancement-mode transistors form symmetrical CMOS stages. Complementary transistor action supports low static power in the switching state and rail-to-rail-style output behavior, although guaranteed output levels depend on the specified supply voltage and load current. The CD4010CN does not provide level translation between unrelated voltage domains by itself; its supply voltage and input thresholds must remain compatible with the source and load. Typical uses include buffering control signals between timing sections, driving multiple logic inputs from one source, isolating counter or flip-flop outputs, and preserving logic polarity in industrial control boards. The six independent stages can also support level-separated sections when the system uses one common supply. Designers should still account for input leakage, output drive current, propagation delay, fan-out, and unused-input behavior from the manufacturer datasheet. For a robust PCB layout, route each input and output directly to its corresponding pin, provide a stable supply-decoupling path near the device, and avoid long parallel traces where switching edges could couple noise between channels. Because the CDP package has long through-hole leads, observe the correct orientation and socket-pin numbering before energizing the circuit. This page combines verified product characteristics, drop-in replacement information, application guidance, and design cautions that are not presented together in the manufacturer datasheet.

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CD40161B-MIL - CMOS Sync 4-Bit Binary Counter | Texas Instruments
CD40161B-MIL

CD40161B-MIL - CMOS Sync 4-Bit Binary Counter | Texas Instruments

The Texas Instruments CD40161B-MIL is a CMOS synchronous programmable 4-bit binary counter with asynchronous clear, supplied in a 16-lead hermetic dual-in-line ceramic package (F3A suffix) with a 3V to 18V supply range, a 5.5MHz typical maximum clock frequency at 5V, and a full military operating temperature range of -55C to +125C for high-reliability applications. A synchronous programmable counter is a digital sequential logic device that advances through a binary counting sequence on each rising clock edge while allowing any 4-bit value to be parallel-loaded via preset inputs. Within the logic IC hierarchy, counters are fundamental building blocks of the broader family of sequential logic and digital timing devices, sitting alongside shift registers and flip-flops as core building blocks for sequencing and frequency division in digital systems. Key features include fully static operation down to DC, standardized symmetrical output characteristics meeting JEDEC Tentative Standard No. 13B for B-series CMOS devices, and a fanout of 1 LSTTL load for direct interfacing with other logic families. The asynchronous clear resets all outputs to zero immediately regardless of clock state, and the ripple carry output enables straightforward cascading of multiple stages into wider counters. Technically, the CD40161B uses CMOS technology with buffered outputs and input protection diodes to VDD and VSS, providing low static power consumption and high noise immunity typical of the CD4000B series. Typical propagation delay is 160ns at 5V, and the device is functionally equivalent to and pin-compatible with the TTL 74LS161 counter. Typical applications include frequency dividers, programmable binary counting, counter control/timers, event counters, and state machines in industrial control, test equipment, and aerospace electronics where hermetic packaging and the military temperature range are mandatory. A key design consideration: tie the asynchronous clear input to VDD when unused to prevent spurious resets, and provide clean clock edges to avoid double counting. This page synthesizes verified datasheet parameters, drop-in family alternatives, pricing tiers, and practical design notes not consolidated in the manufacturer datasheet.

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CD4017AD - 5MHz CMOS Decade Counter | Harris Corporation
CD4017AD

CD4017AD - 5MHz CMOS Decade Counter | Harris Corporation

Harris Corporation CD4017AD is a CMOS decade counter and divider rated for a 3 V to 12 V supply, operation up to 5 MHz, and an ambient temperature range of -55°C to +125°C. The device is supplied in a 16-pin ceramic dual-inline package and supports rising-edge counting, synchronous counting, reset control, static operation, and divide-by-10 counting functions. A CMOS decade counter is a sequential logic device that advances through ten count states on each clock cycle and provides one decoded output for every state. This makes the CD4017AD useful for translating a clock into a repeating ten-step sequence without requiring a microcontroller, decoder IC, or software. In the broader semiconductor hierarchy, it belongs to the CMOS logic family and the counter/divider category of integrated circuits. The primary operating characteristics are a 3 V to 12 V supply range, a maximum count frequency of 5 MHz, and a listed power dissipation of 500 mW. Its rising-edge clock input makes each clock transition advance the counter, while the reset function establishes a known starting state. The -55°C to +125°C temperature range supports industrial and extended-temperature equipment where reliable operation is required across a broad ambient range. The CD4017AD combines a binary counting section with decoded decade outputs. Each decoded output can serve as a separate timing or sequencing signal, and the carry output allows additional counting stages to be cascaded when more than ten states are required. Because it is implemented with CMOS logic, the device is suitable for low-voltage digital systems that need deterministic decade sequencing, although timing margins should be checked against the clock source and supply voltage. Typical uses include ten-step LED sequencing, industrial relay-cycle controllers, timing dividers, automotive lamp-cycle logic, digital test systems, and clocked sequence generators. The 5 MHz count capability provides ample margin for many low-frequency sequencing tasks while also supporting faster timing applications when propagation delay and output-rise requirements are satisfied. For reliable implementation, use a clean clock signal with rise and fall times compatible with CMOS inputs, place decoupling capacitors close to the supply pins, and connect unused inputs to a defined logic level. Account for the difference between the 12 V maximum supply rating and the 5 MHz operating point, because maximum clock frequency normally decreases as supply voltage falls. This page combines the CD4017AD operating specifications, pin-compatible alternatives, application guidance, and design notes to support component selection and PCB implementation. It also distinguishes the ceramic CDIP-16 CD4017AD from parts that provide similar counter functions but use a different package or pin assignment.

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CD4017AK - 3-12V Decade Counter | Texas Instruments
CD4017AK

CD4017AK - 3-12V Decade Counter | Texas Instruments

Texas Instruments CD4017AK is a 3 V to 12 V CMOS decade counter and divider with ten decoded outputs in a 16-CFP surface-mount package. It counts clock pulses in the 0-to-9 sequence and provides one active-high decade output for each count. The device also supports cascade operation, carry output, clock inhibit, and a master reset for arranging multi-digit counters or programmable sequencers. A decade counter is a sequential digital logic circuit that cycles through ten stable states before repeating. A CMOS decade counter belongs to the logic IC and counter-divider hierarchy, combining flip-flop and decoding logic in one integrated device. It is useful when a system must divide a repetitive input frequency, distribute timing phases, or step through a fixed sequence without requiring a programmable processor. The CD4017AK accepts a supply voltage from 3 V to 12 V, allowing operation from common low-voltage rails. Its ten decoded outputs provide a one-hot indication of the current count, while the carry output supports extension into additional decades. Clock inhibit provides a way to pause counting, and the master reset input provides a deterministic starting state. These control functions make the counter useful beyond simple frequency division. Internally, the counter advances on the falling clock edge identified in the CD4017 family documentation. The output decoder turns the counter state into ten separate active-high signals. Because the decoded output remains associated with one count state at a time, a design can drive indicator lamps, multiplexed displays, sequencing controls, or discrete logic gates without decoding the internal state externally. Cascade and reset timing should be checked against the slowest propagation path in the intended system. Typical applications include decade frequency dividers, stepper-motor position sequencing, timing-pattern generators, display-multiplexing counters, programmable timers, and small automation or test systems. Multiple CD4017AK devices can be chained so that one counter advances another when the first completes a ten-step sequence. Cascading is especially useful when more than ten distinct time slots or decimal positions are required. When laying out the circuit, keep the clock and reset paths away from sensitive analog nodes and use a defined reset strategy for power-up. Unused decade outputs should not be left driving loads that could create unnecessary switching activity. The 16-CFP package also requires inspection of land-pattern dimensions and solderability requirements before a surface-mount assembly is released. This page combines the verified component identity, package information, price-evidence status, replacement guidance, and practical counter-design considerations into one engineering reference. It also distinguishes documented drop-in options from broader CD4000-family alternatives so that footprint and electrical compatibility are reviewed before design substitution.

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CD4017BD - CMOS Decade Counter | Texas Instruments | 16-Pin CDIP
CD4017BD

CD4017BD - CMOS Decade Counter | Texas Instruments | 16-Pin CDIP

The Texas Instruments CD4017BD is a CMOS decade counter and divider with ten decoded outputs, a 10-bit counting chain, positive-edge clock triggering, and operation from a 3 V to 15 V supply range. It is supplied in a hermetically sealed 16-pin CDIP ceramic package, making it suitable for industrial, instrumentation, test-equipment, and control-system designs that require reliable sequential output selection. The device provides clock inhibition, asynchronous reset, and carry output functions in one counter package. A decade counter is a digital counter that cycles through ten states, from zero through nine, before repeating. The CD4017BD implements this behavior with ten mutually decoded outputs, Q0 through Q9. Each output becomes active for one clock interval, allowing a clocked system to activate LEDs, relays, stepper-motor phases, multiplexed displays, or sequential test points. In the larger IC hierarchy, it belongs to the CMOS logic family, specifically the counters and dividers class. The primary features are the ten decoded outputs, 10-bit internal counting sequence, positive-edge-triggered clock input, clock inhibition, asynchronous reset, and carry output. The carry output becomes active when the counter transitions from state nine to state zero, allowing multiple CD4017BD devices to form a longer counting or stepping system. The CMOS architecture supports low-power operation and broad supply-voltage flexibility for systems operating from conventional 5 V rails or higher-voltage industrial control supplies. The CD4017BD uses a clocked state sequence in which the decoded outputs follow the applied clock transitions. Clock inhibition provides a synchronous control function for holding the current count when required, while the reset input returns the counter to the zero state. These controls allow a controller to combine counting with external sequencing, measurement, or fault-management logic without requiring additional discrete state machines. Typical applications include ten-step relay sequencing, LED chasers, industrial sequencers, test-pattern generation, cyclic function selection, and decade-based control systems. The hermetic CDIP-16 package also suits equipment where sealed construction and through-hole assembly are preferred over a surface-mount package. Designers should verify the permitted clock frequency and timing limits at the selected supply voltage in the manufacturer datasheet before driving high-frequency events. For reliable operation, use the clock and control inputs with suitable pull resistors when they can float, connect the supply and ground pins close to the device, and keep output loads within the specified limits. Decoupling capacitors should be placed near the supply pins, and unused inputs should be tied to a defined logic level rather than left floating. This page combines device specifications, drop-in alternatives, application guidance, and practical layout considerations for faster engineering selection. The CD4017BD is the version to select when a through-hole CMOS decade counter with decoded outputs and flexible supply-voltage operation is required. It is particularly useful when a design needs the classic CD4017B function in a hermetic ceramic DIP package and accepts the timing and output-drive characteristics specified for the CD4017B family.

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CD4017BE - CMOS Decade Counter/Divider, 16-PDIP | Texas Instruments
CD4017BE

CD4017BE - CMOS Decade Counter/Divider, 16-PDIP | Texas Instruments

The Texas Instruments CD4017BE is a CMOS decade counter/divider with 10 decoded outputs, packaged in a 16-pin PDIP (through-hole). It operates as a 5-stage Johnson counter with built-in output decoding, advancing one position on the positive edge of the clock input, with active-high decoded outputs Q0-Q9 and a carry-out (CO) signal for cascading. The part is specified over a wide supply range of 3 V to 18 V and supports fully static operation with no minimum clock frequency. A decade counter/divider is a sequential logic circuit that counts clock pulses from 0 to 9 and then repeats, producing one decoded output pulse per count. Each of the 10 decoded outputs goes high in sequence, which makes the CD4017 useful as a one-of-N selector, a sequencer, or a frequency divider. In the broader hierarchy it belongs to the CMOS 4000 family of logic ICs, the standard for low-power, wide-supply-range digital functions. The "BE" suffix on TI parts denotes the plastic DIP package and the standard CMOS process. Key features of the CD4017BE include fully static operation (no minimum clock), typical operation up to 10 MHz at VDD = 10 V, medium-speed performance at 5 V and 10 V parametric ratings, low quiescent current tested at 20 V, and standardized symmetrical output characteristics. The output stage can source or sink several milliamps per pin, sufficient to drive LEDs directly in hobby circuits when current-limited by a series resistor. An active-high clock enable pin and a master reset (active-high) pin provide flexible control over counting and clearing. Architecturally, the CD4017 uses a 5-bit Johnson counter feeding a one-of-10 decoder. The Johnson-counter topology eliminates the race and glitch hazards associated with asynchronous ripple counters, because each stage is clocked synchronously. The carry-out signal goes high during counts 0-4 and low during 5-9, allowing two CD4017s to be cascaded to form a 100-state counter without external gating. Typical applications include LED chasers and running-light displays, frequency division, sequential timing, keypad scanning, and event counters. The wide 3 V to 18 V supply range lets designers power it directly from a 9 V battery, a 12 V rail, or a regulated 5 V logic supply without level shifting. The decoded outputs eliminate the need for an external binary-to-decimal decoder such as the CD4028, saving board space and cost. Design considerations for the CD4017 include input signal rise/fall time (slow edges near the clock threshold can cause double-counting), proper bypassing of VDD with a 100 nF ceramic capacitor close to the supply pin, and limiting LED current to the Absolute Maximum ratings when driving displays. Inputs must be brought below 0.5*VDD for a logic low and above 0.5*VDD for a logic high for reliable operation across the supply range. This page synthesizes distributor pricing from DigiKey, Mouser, and LCSC, plus cross-reference equivalents such as MC14017BCP and HCF4017BE drawn from JEDEC-registered CMOS 4000-series second sources - information not consolidated on the manufacturer datasheet alone.

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CD4017BEE4 - CMOS Decade Counter/Divider, 10MHz, 16-PDIP | TI
CD4017BEE4

CD4017BEE4 - CMOS Decade Counter/Divider, 10MHz, 16-PDIP | TI

The Texas Instruments CD4017BEE4 is a CMOS decade counter/divider that sequentially activates one of ten decoded outputs on each rising clock edge, housed in a 16-pin PDIP through-hole package. It operates from a 3 V to 18 V supply, supports fully static operation with a typical clock frequency of 10 MHz at VDD = 10 V, and is 100% tested for quiescent current at 20 V. It carries 5 V, 10 V, and 15 V parametric ratings and meets all requirements of JEDEC Tentative Standard No. 13-A for CMOS logic. A decade counter is a sequential logic device that advances through ten unique states per clock cycle, then automatically resets. The CD4017 belongs to the CD4000 series of CMOS logic ICs, sitting in the broader family of logic ICs, digital ICs, and ultimately semiconductors. This counter is widely used to convert a clock pulse train into a one-of-N sequential output, eliminating the need for a decoder circuit in many designs. Key features include five Johnson-counter stages with decoded 1-of-10 active-high outputs, an active-low carry-out for cascading multiple counters, a low clock-pulse count of ten per cycle, and fully static synchronous operation. Symmetrical output characteristics ensure consistent rise and fall times, and the device includes a clock-inhibit control and a master reset for flexible timing applications. Its wide supply range (3 V to 18 V) and CMOS low power make it a versatile general-purpose sequencing element. Architecturally, the CD4017BEE4 implements five D-type flip-flops arranged as a Johnson counter with built-in decode gating that produces ten mutually-exclusive active-high outputs. Each rising edge of the clock pin increments the internal state and shifts the active-high decode to the next output in sequence. A clock inhibit input disables counting without resetting state, while the master reset asynchronously clears all outputs and returns Q0 high. Typical applications include LED sequencer chasers, frequency division (divide-by-N), keyboard encoders, and decade counting displays. Its 10 MHz typical clock and 18 V rating also suit industrial control timing, hobby electronics, and educational digital logic training. When designing with the CD4017BEE4, place a 0.1 µF decoupling capacitor close to the VDD pin and a 1 µF to 10 µF bulk capacitor on the supply rail. Tie unused active-high outputs either to known states or through resistors, and observe the clock-inhibit setup time before re-enabling counting to avoid spurious counts. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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CD4017BF - 3-18V CMOS Decade Counter | TI | Sequencer
CD4017BF

CD4017BF - 3-18V CMOS Decade Counter | TI | Sequencer

Texas Instruments CD4017BF is a CMOS decade counter with 10 decoded outputs, a 3 V to 18 V operating supply range, and a 16-pin through-hole package. It counts clock pulses in a repeating sequence from 0 through 9, making the device suitable for stepper-motor sequencing, LED chasers, timing dividers, and digital state-selection circuits. The ten decoded outputs provide one active state at a time for straightforward control of external loads. A CMOS decade counter is a synchronous logic device that advances through a fixed number of states when triggered by an external clock. The CD4017 family combines an internal flip-flop and counter stages with ten decoded output lines. This places it in the logic IC, counter, divider, and sequencing-device hierarchy, where it bridges basic timing control and discrete state activation without requiring a microcontroller for simple ten-step sequences. The CD4017BF provides three principal characteristics: a 3 V to 18 V supply range, ten decoded outputs, and a 16-pin PDIP package. Its broad supply range supports integration into legacy CMOS logic systems operating across multiple logic voltages. The decoded outputs can drive indicator stages, relays, transistors, or other circuit blocks when correctly interfaced, while the reset and clock-inhibit inputs provide basic sequence control. Internally, the device uses the CD4000 CMOS logic family and counts upward. A rising clock edge advances the counter state, while the decoded outputs indicate the current count. The separate clock and clock-inhibit inputs allow an external signal to pause or inhibit progression, and the reset input returns the sequence to its initial state. Designers should account for propagation delay and supply-level timing when cascading counters or synchronizing outputs with other logic. Typical uses include ten-step relay sequencing, bidirectional LED animation, programmable pulse-counting modules, divide-by-ten clock generation, and basic industrial control panels. In motor-control applications, decoded outputs can select winding drive stages or external switching elements. In indicator circuits, only the output corresponding to the active count is asserted, reducing the control logic required for a repeating visual pattern. Design the clock source to provide clean, repeatable edges and respect the device’s absolute-maximum ratings. Use pull-up or pull-down resistors where an input may float, and ensure that reset and clock-inhibit signals cannot contend with external drivers. Decoupling capacitors should be placed close to the supply pins, while high-current loads should be driven through suitable transistors rather than loading the counter outputs directly. This product page combines the TI product description, package information, decoded-counter functionality, practical design guidance, sourcing-oriented commercial answers, and clearly qualified replacement analysis. It is intended to help engineers confirm the CD4017BF fit, inspect its 16-pin connectivity, and decide whether a verified same-footprint alternative is appropriate for an existing PCB.

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CD4017BK - 10-Output CMOS Decade Counter | Texas Instruments
CD4017BK

CD4017BK - 10-Output CMOS Decade Counter | Texas Instruments

The Texas Instruments CD4017BK is a CMOS decade counter with one decoded output for each of ten count states, a 3 V to 18 V operating range, and operation up to 11 MHz in a 16-lead ceramic flat package designated CFP-16. The counter accepts a clock signal, provides a clock-inhibit control, and includes a reset input for initializing the decoded sequence. A decade counter is a synchronous sequential digital circuit that advances through ten states before repeating. The CD4017B family belongs to the CMOS 4000-series logic hierarchy, combining decade counter, counter/divider, and decoded-output functions in one integrated circuit. Its ten mutually exclusive outputs make it useful for implementing cyclic step sequences, frequency division, programmable timing, and sequential control without requiring a separate output decoder. The key operating features include a supply-voltage range of 3 V to 18 V, a nominal 5 V operating point, and a maximum clock frequency of 11 MHz. The listed propagation delay is 650 ns, while the minimum maximum-frequency figure is 5.5 MHz. The clock input uses Schmitt-trigger action, which improves noise immunity and permits slower clock edges than a conventional logic input. A clock-inhibit input provides a second means of controlling count progression, and the reset input returns the internal count to the zero state. Internally, the CD4017B is a five-stage Johnson counter followed by decoding circuitry that produces ten individual outputs. Only one decoded output is active for a given count state, allowing the outputs to control a sequence of ten steps. The clock-inhibit and reset functions give the circuit useful control behavior for counters, dividers, stepper-motor sequencers, and cyclic controllers, while the Schmitt-trigger clock input helps prevent false counting on slow or noisy transitions. Typical applications include decade frequency dividers, ten-step relay or lamp sequences, timing generators, industrial step sequencing, pulse-position indicators, and embedded control systems that require one-hot decoded states. In a divide-by-ten arrangement, the tenth decoded output can feed the clock input to produce an integer division of the input frequency. In a sequencer, the ten outputs can be connected to relays, lamps, or discrete control stages to create repeating operating steps. The principal design consideration is the relationship between clock frequency, supply voltage, and propagation delay. Timing calculations should include the 650 ns propagation-delay figure and the specified operating-frequency limits instead of assuming ideal zero-delay transitions. The reset and clock-inhibit inputs should be driven with clean logic levels, and unused inputs must remain in a defined state to prevent unintended count advancement. This page combines the device function, electrical limits, pin assignments, practical application guidance, and verified manufacturer links. It also distinguishes the CFP-16 CD4017BK from CD4017B versions offered in other package technologies, helping engineers confirm footprint and qualification requirements before beginning a PCB or replacement design.

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CD4018AK - Presettable Divide-by-N Counter | Harris Corporation
CD4018AK

CD4018AK - Presettable Divide-by-N Counter | Harris Corporation

Harris Corporation CD4018AK is a CMOS presettable divide-by-N counter with one counter element and 16 terminals in a rectangular flat-package configuration. The device supports decade-counter operation, operating temperatures from -55°C to 125°C, and is identified as a military-temperature-grade counter IC. A CMOS counter is a digital logic circuit that counts clock pulses and represents the count through binary output states. The CD4018 family belongs to the CD4000 CMOS logic family and provides programmable counting behavior, including decade-counter use when the appropriate feedback and control connections are applied. This places it within the broader hierarchy of counter logic -> digital logic IC -> CMOS logic -> semiconductor. The principal feature of the CD4018AK is its presettable counter architecture, which allows an initial count to be established and then incremented by incoming clock events. Its 16-terminal package provides access to the clock, reset, load, decade-count, and counter-output functions. The reported maximum operating temperature of 125°C and minimum operating temperature of -55°C support use across industrial and military-temperature environments where wider operating ranges are required. The CD4018AK operates from a low-voltage CMOS supply and uses the CD4000-series logic family conventions. Because it is a counter rather than a general-purpose microcontroller, it can implement frequency division, event counting, timing intervals, and sequential state generation with relatively few external components. The device is most useful when a fixed or limited counting sequence is required and programmable firmware would add unnecessary complexity. Typical applications include decade counters, frequency dividers, digital timing systems, industrial sequence control, pulse-counting modules, and test equipment. In a frequency-divider implementation, the clock signal is routed through the counter stages while appropriate output taps provide divided frequencies. In a programmable timer, the preset and reset inputs establish the starting count and trigger a known sequence of output transitions. PCB design must follow the manufacturer’s pin-description table and application examples because clock, reset, and preset functions can be sensitive to unwanted transitions. Keep clock traces short, decouple the supply close to the device, and avoid routing high-current or high-voltage switching signals near the counter inputs. The 16-pin flat package should be inspected for pin orientation and exposed-terminal details before assembly. This page combines the exact CD4018AK catalog attributes with drop-in alternatives, application guidance, package information, and design checks intended to reduce selection and integration risk. Use the manufacturer datasheet for final timing, electrical-limit, and pin-function decisions before production release.

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CD4018BE - CMOS Divide-by-N Counter | Texas Instruments
CD4018BE

CD4018BE - CMOS Divide-by-N Counter | Texas Instruments

The Texas Instruments CD4018BE is a CMOS presettable divide-by-N counter with one 5-bit counter element, positive-edge triggering, and a 16-PDIP package. Its documented supply-voltage range is 3 V to 18 V, with operation characterized at up to 8.5 MHz and a typical medium-speed figure of 10 MHz when VDD minus VSS is 10 V. The device also provides a maximum input current of 1 uA at 18 V. These characteristics place it within the hierarchy of counters, logic ICs, digital semiconductors, and general-purpose CMOS logic. A CMOS divide-by-N counter is a sequential digital logic device that advances its internal count on each active clock transition. The CD4018 family supports configurable counting behavior through its clock, clock-reset, set, and master-reset controls. It is useful when a system needs programmable frequency division, event-counting, timing generation, or cyclic sequencing without implementing the counter from individual gates. Its fully static operation and 100% testing for quiescent current at 20 V support predictable behavior across the documented supply range. The principal features of the CD4018BE include medium-speed operation, standardized and symmetrical output characteristics, and parametric operation at 5 V, 10 V, and 15 V. Positive-edge triggering defines when the counter state changes, while the SET and MR inputs provide the controls needed for preset and master-reset functions. Because it uses CMOS technology, the device belongs to the low-power logic family and can support both conventional low-frequency control and higher-frequency timing tasks. The 16-PDIP package provides through-hole access to all device terminals and is suitable for prototyping, educational equipment, laboratory instruments, industrial controllers, and legacy industrial-control systems. Designers should account for the relatively large footprint compared with surface-mount logic packages and should confirm signal timing at the actual VDD value, because maximum operating frequency is power-supply dependent. The 3 V to 18 V operating range also allows the counter to be used in legacy CMOS systems without an immediate conversion to modern low-voltage logic levels. Typical applications include divide-by-N frequency dividers, programmable timers, digital frequency measurement stages, sequential timing generators, phase and frequency-related signal processing, and general-purpose counter blocks in control equipment. In a frequency-divider arrangement, the counter can reduce an incoming pulse rate while the SET and MR controls establish operating states. In a microcontroller-assisted instrument, it can provide additional counting or timing resolution beyond the controller's native resources. The primary design consideration is validating the clock edge, reset timing, output behavior, and maximum transition rate at the actual supply voltage. Inputs and outputs must remain within the device's specified voltage and current limits, and unused inputs should be connected to defined logic levels rather than left floating. The DIP package also requires adequate clearance around adjacent board components and attention to lead strain during insertion or rework. This page combines the manufacturer's CD4018B technical information, documented supply and speed characteristics, verified cross-reference findings, pin-compatible replacement analysis, comparison parameters, and practical implementation guidance to support faster component selection and board-level planning.

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CD4018BF - CMOS Presettable Divide-By-N Counter | Texas Instruments
CD4018BF

CD4018BF - CMOS Presettable Divide-By-N Counter | Texas Instruments

The Texas Instruments CD4018BF is a CMOS presettable divide-by-N counter built from five Johnson-counter stages, with buffered Q outputs and counter preset control gating. It operates from a 3 V to 18 V supply, provides medium-speed operation with a typical operating frequency of 10 MHz at a 10 V supply, and is supplied in a 16-lead ceramic dual-in-line package identified by the F package suffix. The CD4018BF is designed for applications requiring programmable frequency division, count sequencing, and asynchronous control of a counter stage. A CMOS presettable divide-by-N counter is a logic IC that divides an input clock by a selected count value. The CD4018B family contains five Johnson-counter stages, allowing each stage to be cascaded or selected for divide-by-N operation. Its buffered outputs and preset-control logic make it useful in digital timing, pulse-counting, sequencing, and clock-generation systems. The device sits within the hierarchy of CMOS counter logic, digital logic IC, and semiconductor electronics. The main performance features include medium-speed operation, fully static operation, standardized symmetrical output characteristics, and parametric ratings at 5 V, 10 V, and 15 V. The manufacturer datasheet states that quiescent current is tested at 20 V, and the maximum input current is 1 uA at 18 V. These characteristics support operation across low-voltage and higher-voltage CMOS logic systems while providing predictable static behavior. The counter includes clock, reset, set, and five buffered Q outputs, allowing the circuit to be used as a programmable divider or as part of a cascaded counter arrangement. The counter can be preset for a specific initial state and controlled by external logic, making it appropriate for repeatable timing sequences in industrial control, laboratory equipment, instrumentation, and embedded digital systems. Typical applications include pulse-generation circuits, programmable timing modules, digital waveform dividers, stepper-control sequencing, test and measurement systems, and general-purpose industrial counter boards. When designing with the CD4018BF, pay particular attention to clock transition requirements, reset and set pulse timing, unused input states, and the maximum supply voltage of 18 V. Decoupling close to the supply pins and clean clock routing are important for reliable operation in practical CMOS logic systems. This product page synthesizes the verified manufacturer and distributor information with practical application guidance, package details, and an explicit drop-in comparison. The CD4018BF is a legacy-style 16-pin CDIP counter, so engineers should confirm availability, lifecycle status, and equivalent sourcing before committing a new design to it.

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