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Documents SN54HC594, SN74HC594
SCLS040G – DECEMBER 1982 – REVISED MARCH 2015 SNx4HC594 8-Bit Shift Registers With Output Registers
1 Features 3 Description 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. 1 Wide Operating Voltage Range of 2 V to 6 V
High-Current Outputs Can Drive up to
15 LSTTL Loads
Low Power Consumption, 80-ВµA Maximum ICC
Typical tpd = 15 ns
В±6-mA Output Drive at 5 V
Low Input Current of 1 ВµA Maximum
8-Bit Serial-In, Parallel-Out Shift Registers With
Storage
Independent Direct Overriding Clears on Shift and
Storage Registers …
