MC74HC595 ON Semiconductor, MC74HC595 Datasheet - Page 8

• Manufacturer Part Number: MC74HC595
• Description: 8?bit Serial?input/serial Or Parallel?output Shift Register With Latched 3?state Outputs
• Manufacturer: ON Semiconductor

OUTPUT
INPUT A
SWITCH
CLOCK
SERIAL
CLOCK
SHIFT
OUTPUTS
SQ
CLOCK
LATCH
Q
*Includes all probe and jig capacitance
H
A
−Q
H
10%
DEVICE
UNDER
50%
10%
90%
TEST
50%
10%
90%
50%
90%
50%
t
r
t
w
Figure 7.
t
PLH
t
t
50%
TLH
su
Figure 1.
Figure 3.
Figure 5.
1/f
t
PLH
OUTPUT
t
TLH
max
VALID
50%
TEST POINT
t
h
t
t
t
PHL
f
PHL
t
THL
t
THL
C
L
*
SWITCHING WAVEFORMS
V
GND
V
GND
CC
V
GND
V
GND
CC
CC
CC
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TEST CIRCUITS
8
OUTPUT Q
OUTPUT Q
DEVICE
OUTPUT
CLOCK
CLOCK
UNDER
ENABLE
LATCH
TEST
SHIFT
OUTPUT
CLOCK
RESET
SHIFT
SQ
H
*Includes all probe and jig capacitance
OUTPUT
50%
t
PHL
TEST POINT
50%
50%
t
t
50%
t
Figure 8.
PZL
PZH
su
Figure 2.
Figure 4.
Figure 6.
50%
C
1 kW
L
*
50%
t
t
t
w
50%
t
t
PHZ
w
rec
PLZ
50%
CONNECT TO V
TESTING t
CONNECT TO GND WHEN
TESTING t
10%
90%
PLZ
PHZ
AND t
AND t
CC
V
GND
V
GND
V
GND
HIGH
IMPEDANCE
V
V
HIGH
IMPEDANCE
CC
CC
CC
OL
OH
V
GND
V
GND
WHEN
PZL
PZH
CC
CC
.
.