Datasheet > 74HC594BQ

74HC594BQ

更新时间： 2023-09-03 20:31:03

品牌	Logo	应用领域
安世 - NEXPERIA		/
页数	文件大小	规格书
23页	342K
描述
8-bit shift register with output registerProduction

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74HC594BQ 数据手册

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

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

inputs to voltages in excess of V_CC

2. Features and benefits

•

Synchronous serial input and output

8-bit parallel output

Shift and storage registers have independent direct clear and clocks

Independent clocks for shift and storage registers

100 MHz (typical)

Wide supply voltage range from 2.0 V to 6.0 V

CMOS low power dissipation

High noise immunity

•

Latch-up performance exceeds 100 mA per JESD 78 Class II Level B

Input levels:

•

For 74HC594: CMOS level

For 74HCT594: TTL level

•

Complies with JEDEC standards

•

JESD8C (2.7 V to 3.6 V)

JESD7A (2.0 V to 6.0 V)

ESD protection:

•

HBM JESD22-A114F exceeds 2 kV

MM JESD22-A115-A exceeds 200 V (C = 200 pF, R = 0 Ω)

•

Multiple package options

Specified from -40 °C to +85 °C and from -40 °C to +125 °C

3. Applications

•

Serial-to parallel data conversion

Remote control holding register

12 3 4 5 6 7...23

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