CD74HC595 - 具有三态输出寄存器的 8 位移位寄存器

CD74HC595是TI德州仪器公司的一款移位寄存器产品，CD74HC595是具有三态输出寄存器的 8 位移位寄存器，本站介绍了CD74HC595的封装应用图解、特点和优点、功能等，并给出了与CD74HC595相关的TI元器件型号供参考。

CD74HC595 - 具有三态输出寄存器的 8 位移位寄存器 - 移位寄存器 - 触发器/锁存器/寄存器 - 德州仪器

产品描述

The CD74HC595 device contains an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. The storage register has parallel 3-state outputs. Separate clocks are provided for both the shift and storage registers. The shift register has a direct overriding clear (SRCLR)\ input, serial (SER) input, and serial output for cascading. When the output-enable (OE)\ input is high, the outputs are in the high-impedance state.

Both the shift register clock (SRCLK) and storage register clock (RCLK) are positive-edge triggered. If both clocks are connected together, the shift register always is one clock pulse ahead of the storage register.

产品特性

8-Bit Serial-In, Parallel-Out Shift
Wide Operating Voltage Range of 2 V to 6 V
High-Current 3-State Outputs Can Drive Up To 15 LSTTL Loads
Low Power Consumption, 80-µA Max ICC
Typical tpd = 14 ns
±6-mA Output Drive at 5 V
Low Input Current of 1 µA Max
Shift Register Has Direct Clear

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