SN74HC594 Overview
The SNx4HC594 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. Separate clocks and direct overriding clear (RCLR, SRCLR) inputs are provided on both the shift and storage registers. A serial (QH’) output is provided for cascading purposes.
SN74HC594 Key Features
- 1 Wide Operating Voltage Range of 2 V to 6 V
- Low Power Consumption, 80-µA Maximum ICC
- Typical tpd = 15 ns
- ±6-mA Output Drive at 5 V
- Low Input Current of 1 µA Maximum
- Independent Direct Overriding Clears on Shift and
- Independent Clocks for Both Shift and