CD4021BM96E4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: Serial to Parallel Conversion, 8-Bit Data Storage, Cascadable
• Package: SOIC-16
• Essence: The CD4021BM96E4 is a CMOS 8-stage static shift register that converts serial input data into parallel output format. It is commonly used in applications where multiple inputs need to be processed simultaneously.
• Packaging/Quantity: The CD4021BM96E4 is typically sold in reels of 2500 units.

Specifications

• Supply Voltage: 3V to 18V
• Input Voltage: -0.5V to VDD + 0.5V
• Output Voltage: -0.5V to VDD + 0.5V
• Operating Temperature Range: -55°C to 125°C
• Maximum Clock Frequency: 5 MHz
• Number of Stages: 8
• Pin Count: 16

Detailed Pin Configuration

The CD4021BM96E4 has 16 pins arranged as follows:

1. Pin 1: Serial Data Input (DS)
2. Pin 2: Clock Input (CP)
3. Pin 3: Parallel Data Output Qh'
4. Pin 4: Parallel Data Output Qg'
5. Pin 5: Parallel Data Output Qf'
6. Pin 6: Parallel Data Output Qe'
7. Pin 7: Parallel Data Output Qd'
8. Pin 8: Parallel Data Output Qc'
9. Pin 9: Parallel Data Output Qb'
10. Pin 10: Parallel Data Output Qa'
11. Pin 11: Ground (GND)
12. Pin 12: Serial Data Output (Qh)
13. Pin 13: Clock Inhibit (CI)
14. Pin 14: Clock Enable (CE)
15. Pin 15: VDD (Positive Power Supply)
16. Pin 16: Carry Out (CO)

Functional Features

• Serial to parallel conversion of input data
• 8-bit data storage capability
• Cascadable for expanding the number of stages
• CMOS technology for low power consumption
• Wide operating voltage range

Advantages and Disadvantages

Advantages

• Efficient serial to parallel conversion
• Low power consumption due to CMOS technology
• Easy cascading for expanding functionality
• Wide operating voltage range allows for versatile applications

Disadvantages

• Limited clock frequency compared to some other shift registers
• May require additional components for certain applications

Working Principles

The CD4021BM96E4 operates by shifting the serial input data into its internal register on each clock pulse. The parallel output is then available for further processing or storage. The clock enable and clock inhibit pins provide control over the shifting operation. The device can be cascaded by connecting the serial output of one CD4021BM96E4 to the serial input of another, allowing for expansion of the number of stages.

Detailed Application Field Plans

The CD4021BM96E4 finds applications in various fields, including:

1. Industrial automation systems
2. Data acquisition systems
3. LED matrix displays
4. Keypad scanning circuits
5. Digital counters and timers
6. Serial data communication interfaces

Detailed and Complete Alternative Models

1. CD74HC165E - 8-Bit Parallel-In/Serial-Out Shift Register
2. SN74HC595N - 8-Bit Shift Register with Output Latches
3. CD4015BE - Dual 4-Stage Static Shift Register
4. CD4094BE - 8-Stage Shift-and-Store Bus Register
5. SN74HC164N - 8-Bit Serial-In/Parallel-Out Shift Register

These alternative models offer similar functionality and can be used as substitutes for the CD4021BM96E4 in various applications.

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