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74HCT594D

nexperia
Part Number 74HCT594D
Manufacturer nexperia
Description 8-bit shift register
Published Dec 27, 2020
Detailed Description 74HC594; 74HCT594 8-bit shift register with output register Rev. 7 — 20 October 2022 Product data sheet 1. General des...
Datasheet PDF File 74HCT594D PDF File

74HCT594D
74HCT594D

Overview
74HC594; 74HCT594 8-bit shift register with output register Rev.
7 — 20 October 2022 Product data sheet 1.
General description The 74HC594; 74HCT594 is an 8-bit serial-in/serial or parallel-out shift register with a storage register.
Separate clock and reset inputs are provided on both shift and storage registers.
The device features a serial input (DS) and a serial output (Q7S) to enable cascading.
Data is shifted on the LOW-to-HIGH transitions of the SHCP input, and the data in the shift register is transferred to the storage register on a LOW-to-HIGH transition of the STCP input.
If both clocks are connected together, the shift register will always be one clock pulse ahead of the storage register.
A LOW level on one of the two register reset pins (SHR and STR) will clear the corresponding register.
Inputs include clamp diodes.
This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.
2.
Features and benefits • Synchronous serial input and...


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