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SN74LS164N 8-bit parallel-out serial-in shift register Integrated Circuit
Description:
- Functionality: This shift register accepts serial data (one bit at a time) and outputs it in parallel.
- It can be used to expand GPIO (General Purpose Input/Output) ports, serialize parallel data, de-serialize serial data, or serve as a simple memory storage device.
- The shift register is packaged in a 14-pin PDIP.
- Voltage and Current: Operates at a usual voltage of 5V, which is comparable with TTL logic levels; the standard current usage is approximately 8mA.
- Performance: Known for its short propagation delays (30ns) and ability to handle input frequencies of up to 35 MHz.
- Control Pins: Asynchronous master reset and gated serial data inputs enable robust data manipulation and control in synchronous systems.
- Input Protection: Includes input clamp diodes for noise and overvoltage protection.
Specifications:
- Function: Serial-in Parallel-out Shift Register.
- Number of Bits: 8.
- Package Type: 14-Pin PDIP.
- Operating Voltage: 5V.
- Current Specifications: Standard TTL logic levels, with a maximum current draw of 8mA.
- Propagation Delay: Approximately 30ns for typical operation.
- Input and Output Voltage Levels: VIL (max) 0.8V, VIH (min) 2V, VOL (max) 0.4V, VOH (min) 2.7V.
Pin Configuration:
- Pins 1-7, 10-13: Data Outputs (Q0 - Q7).
- Pin 8: Ground (GND).
- Pin 9: Serial Input (A).
- Pin 14: Power Supply (VCC).
- Maximum Clock Frequency: 35 MHz.
Features:
- Asynchronous Master Reset.
- Gated Serial Data Inputs.
- Fully Synchronous Data Transfers.
- Input Clamp Diodes to Limit High Speed Termination Effects.
- ESD Protection > 3500 Volts.
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