CD4021BPWR

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CD4021BPWR

+BOM

IC STATIC SHFT REG 8STG 16-TSSOP

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Specifications

Attribute Value
Series 4000B
PartStatus Active
LogicType Shift Register
OutputType Push-Pull
NumberofElements 1
NumberofBitsperElement 8
Function Parallel or Serial to Serial
Voltage-Supply 3V ~ 18V
OperatingTemperature -55°C ~ 125°C
MountingType Surface Mount
Package/Case 16-TSSOP (0.173", 4.40mm Width)
SupplierDevicePackage 16-TSSOP
BaseProductNumber CD4021

Overview

Description

The CD4021BPWR is a 8-bit parallel-in/serial-out shift register integrated circuit (IC) designed for digital applications. It operates within a wide voltage range, typically from 3V to 15V, making it versatile for various electronic projects. The device allows for the conversion of parallel data input into a serial output, enabling efficient data transmission and storage.
Key features include eight data input lines, a clock input to control data shifting, and control pins for enabling or disabling the IC's functions. The CD4021 also features asynchronous reset and a serial output that can be cascaded with other shift registers for extended data handling.
Common applications include data buffering, digital signal processing, and as part of digital communication systems. The CD4021BPWR comes in a dual in-line package (DIP) or surface-mount technology (SMT), making it suitable for both prototyping and production environments. Overall, it is a reliable choice for engineers and hobbyists working on digital circuits.

Equivalent

The CD4021BPWR is a 8-stage static shift register. Equivalent products include the CD4015 (dual 4-stage static shift register) and the 74HC595 (8-bit shift register with output latches). Other alternatives are the 74HC164 (8-bit shift register) and the 74HC Shift Register series, depending on specific requirements like voltage levels and speed. Always check the datasheets for compatibility.

Features

The CD4021BPWR is a 8-bit parallel-in/serial-out shift register integrated circuit. Key features include:
1. Wide Voltage Range: Operates from 3V to 15V, making it versatile for various applications.
2. Low Power Consumption: Consumes minimal power, suitable for battery-operated devices.
3. 8-Bit Storage: Capable of storing 8 bits of data, facilitating efficient data handling.
4. Parallel Data Input: Allows simultaneous loading of data bits for quick processing.
5. Serial Data Output: Outputs data in a serial format, which simplifies interfacing with microcontrollers and other digital systems.
6. High Noise Immunity: Offers robust performance in noisy environments due to its CMOS technology.
7. Wide Operating Temperature: Functional over a broad temperature range, enhancing reliability in various conditions.
8. Direct Interface: Can connect directly with logic gates and microcontrollers, ensuring seamless integration.
These features make the CD4021BPWR suitable for applications in data storage, control systems, and communication interfaces.

Pinout

The CD4021BPWR is a CMOS parallel-in/serial-out shift register with a total of 16 pins. Its main functions include storing and shifting digital data. The pin configuration is as follows:
1. VDD: Power supply (positive voltage).
2. GND: Ground (0V reference).
3. Clock (CLK): Input for the clock signal to shift data.
4. Latch (STROBE): Latches the parallel input data.
5. Data (Q7 to Q0): Outputs for the serial data, with Q7 being the most significant bit and Q0 the least significant bit.
6. Parallel Inputs (A, B, C, D, E, F, G, H): Eight parallel data input pins.
7. Reset (RESET): Resets the shift register to zero.
The CD4021BPWR operates with a wide supply voltage range and is commonly used in applications requiring data storage and transfer.

Manufacturer

The CD4021BPWR is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments is known for designing and producing semiconductors and various integrated circuits, primarily serving the electronics industry. Founded in 1930, TI has evolved into a key player in the semiconductor sector, offering a wide range of products including analog and digital signal processing chips, microcontrollers, and sensors.
The CD4021BPWR is a 8-bit static shift register, widely used in various applications such as data storage, digital signal processing, and interfacing with microcontrollers. Texas Instruments emphasizes innovation and quality in its product development, catering to markets including automotive, industrial, communications, and consumer electronics. With a global presence, TI is recognized for its commitment to advancing technology and providing solutions that enable engineers to create innovative designs.

Application

The CD4021BPWR is a CMOS 8-bit parallel-in/serial-out shift register that finds application in various areas, including:
1. Data Storage: Used for temporary data storage in digital circuits.
2. Serial Communication: Converts parallel data into serial format for transmission.
3. Microcontroller Interfaces: Expands input/output capabilities for microcontrollers.
4. Signal Processing: Utilized in digital signal processing applications.
5. Control Systems: Implements control logic in automation systems.
6. LED Displays: Drives LED segments in multiplexed display systems.
7. Sensor Data Acquisition: Collects multiple sensor inputs into a single data stream.
Its versatility makes it suitable for many digital applications.

Package

The CD4021BPWR is packaged in a TSSOP (Thin Shrink Small Outline Package) form factor.

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