HD74AC194 Datasheet, PDF (2/11 Pages) Hitachi Semiconductor – 4-bit Bidirectional Unviersal Shift Register

HD74AC194
Pin Arrangement
Logic Symbol
MR 1
D_SR 2
P0 3
P1 4
P2 5
P3 6
D_SL 7
GND 8
(Top view)
16 VCC
15 Q0
14 Q1
13 Q2
12 Q3
11 CP
10 S1
9 S0
DSR P0 P1 P2 P3 DSL
S0
S1
CP
MR Q0 Q1 Q2 Q3
Pin Names
S₀, S₁
P₀ to P₃
D_SR
D_SL
CP
MR
Q₀ to Q₃
Mode Control Inputs
Parallel Data Inputs
Serial Data Input (Shift Right)
Serial Data Input (Shift Left)
Clock Pulse Input (Active Rising Edge)
Asynchronous Master Reset Input (Active LOW)
Parallel Outputs
2