CD74HCT164MT

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics:
  • High-Speed Operation
  • TTL-Compatible Inputs
  • Schmitt Trigger Action on All Inputs
• Package: TSSOP-14
• Essence: Serial-In, Parallel-Out Shift Register
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Logic Family: HCT
• Number of Bits: 8
• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 30ns (typical)
• Output Current: ±6mA

Detailed Pin Configuration

1. SER (Serial Data Input)
2. CLK (Clock Input)
3. MR (Master Reset Input)
4. QH' (Serial Data Output)
5. QH (Parallel Data Output)
6. GND (Ground)
7. QG (Parallel Data Output)
8. QF (Parallel Data Output)
9. QE (Parallel Data Output)
10. QD (Parallel Data Output)
11. QC (Parallel Data Output)
12. QB (Parallel Data Output)
13. QA (Parallel Data Output)
14. VCC (Supply Voltage)

Functional Features

• Serial-in, parallel-out shift register
• Shifts data on the rising edge of the clock signal
• Master reset input for clearing the register
• Outputs are TTL-compatible
• Schmitt trigger action on all inputs for noise immunity

Advantages

• High-speed operation allows for efficient data transfer
• TTL-compatible inputs ensure compatibility with other logic devices
• Schmitt trigger action on inputs provides noise immunity
• Compact TSSOP-14 package saves board space
• Wide operating temperature range for versatile applications

Disadvantages

• Limited number of bits (8) may not be sufficient for certain applications requiring larger shift registers
• Requires an external clock signal for proper operation

Working Principles

The CD74HCT164MT is a serial-in, parallel-out shift register. It accepts data serially through the SER input and shifts it into the register on the rising edge of the CLK input. The shifted data can be accessed in parallel at the QH' and QH outputs. The MR input allows for clearing the register to its initial state. The outputs are TTL-compatible and provide the parallel data output.

Detailed Application Field Plans

The CD74HCT164MT is commonly used in various applications, including: 1. Data communication systems 2. Serial-to-parallel data conversion 3. LED matrix displays 4. Address decoding circuits 5. Control and timing circuits

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to CD74HCT164MT are: 1. 74HC164: Similar functionality but operates at a lower voltage range (2V to 6V) 2. SN74LS164: Operates at a wider temperature range (-55°C to +125°C) but has slower propagation delay time (45ns typical)

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