1. General description

The 74HC597; 74HCT597 is an 8-bit shift register with input flip-flops. It consists of an 8-bit storage

register feeding a parallel-in, serial-out 8-bit shift register. Both the storage register and the shift

register have positive edge-triggered clocks. The shift register also has direct load (from storage)

and clear inputs. Inputs include clamp diodes that enable the use of current limiting resistors to

interface inputs to voltages in excess of VCC.

2. Features and benefits

• Wide supply voltage range from 2.0 V to 6.0 V

• CMOS low power dissipation

• High noise immunity

• Input levels:

• For 74HC597: CMOS level

• For 74HCT597: TTL level

• 8-bit parallel storage register inputs

• Shift register has direct overriding load and clear

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

• Complies with JEDEC standards

• JESD8C (2.7 V to 3.6 V)

• JESD7A (2.0 V to 6.0 V)

• ESD protection:

• • HBM EIA/JESD22-A114F exceeds 2000 V

• MM EIA/JESD22-A115-A exceeds 200 V

• Multiple package options

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

74HCT597PW属于集成电路（IC） > 移位寄存器。安世半导体(中国)有限公司制造生产的74HCT597PW移位寄存器移位寄存器是低级逻辑器件，通常用于在串行和并行方式之间转换数字逻辑信号形式的数据，或在数字字内移动数据位的位置。移位寄存器通常使用集成到一个设备中的一组触发器来实现，常用于集成度更高的逻辑器件，但仍可用于 I/O 扩展等应用，在这些应用中离散形式的函数可能会非常有用。