HD74LS164 Datasheet, PDF (5/9 Pages) Hitachi Semiconductor – 8-Bit Parallel-Out Serial-In Shift Registers

HD74LS164
Testing Method
Test Circuit
4.5V
P.G.
Zout = 50Ω
Input
P.G.
Zout = 50Ω
Input
V_CC Output
RL ^{Load circuit 1}
QA
CK
CL
A
B
Output
QB
Same as Load Circuit 1.
Output
QC
Same as Load Circuit 1.
Output
QD
Same as Load Circuit 1.
Output
QH
CLR GND
Same as Load Circuit 1.
Notes: 1. C_L includes probe and jig capacitance.
2. All diodes are 1S2074(H).
Testing Table
Item
ƒ_max
t_PLH
t_PHL
From
input to
output
Clear→Q
CK→Q
CLR
4.5V
IN
4.5V
Inputs
CK
A
IN
IN
IN
IN
IN
IN
B
4.5V
4.5V
4.5V
Q_A
OUT
OUT
OUT
Q_B
OUT
OUT
OUT
Q_C
OUT
OUT
OUT
Outputs
Q_D
Q_E
OUT
OUT
OUT
OUT
OUT
OUT
Q_F
OUT
OUT
OUT
Q_G
OUT
OUT
OUT
Q_H
OUT
OUT
OUT
Rev.2.00, Feb.18.2005, page 5 of 8