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CD74HC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS
SCHS353 − JANUARY 2004
D 8-Bit Serial-In, Parallel-Out Shift D Wide Operating Voltage Range of 2 V to 6 V D High-Current 3-State Outputs Can Drive Up
To 15 LSTTL Loads
D Low Power Consumption, 80-µA Max ICC D Typical tpd = 14 ns D ±6-mA Output Drive at 5 V D Low Input Current of 1 µA Max D Shift Register Has Direct Clear
description/ordering information
DW, E, M, NS, OR SM PACKAGE (TOP VIEW)
QB 1 QC 2 QD 3 QE 4 QF 5 QG 6 QH 7 GND 8
16 VCC 15 QA 14 SER 13 OE 12 RCLK 11 SRCLK 10 SRCLR 9 QH′
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.