74HC40104 Datasheet, PDF (3/8 Pages) NXP Semiconductors – 4-bit bidirectional universal shift register; 3-state

Philips Semiconductors
4-bit bidirectional universal shift register;
3-state
Product specification
74HC/HCT40104
PIN DESCRIPTION
PIN NO.
1
2
3, 4, 5, 6
7
8
9, 10
11
15, 14, 13, 12
16
SYMBOL
OE
D_SR
D₀ to D₃
D_SL
GND
S₀, S₁
CP
Q₀ to Q₃
V_CC
NAME AND FUNCTION
3-state output enable input (active HIGH)
serial data shift-right input
parallel data inputs
serial data shift-left input
ground (0 V)
mode control inputs
clock input (LOW-to-HIGH, edge-triggered)
3-state parallel outputs
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
3