MC74HC4851A Datasheet, PDF (8/12 Pages) ON Semiconductor – Analog Multiplexers/Demultiplexers with Injection Current Effect Control

ANALOG
IN
tPLH
ANALOG
OUT
MC74HC4851A, MC74HC4852A
50%
50%
VCC
GND
tPHL
ANALOG I/O
VCC
16
ON
COMMON O/I _TEST
POINT
CL*
6
8
Figure 18. Propagation Delays, Analog In
to Analog Out
*Includes all probe and jig capacitance
Figure 19. Propagation Delay, Test Set–Up
Analog In to Analog Out
tf
ENABLE
ANALOG
OUT
ANALOG
OUT
tr
tPZL tPLZ
50%
tPZH tPHZ
50%
90%
50%
10%
10%
90%
Figure 20. Propagation Delays, Enable to
Analog Out
VCC
1
2
GND
VCC
HIGH
1
IMPEDANCE
2
VOL
POSITION 1 WHEN TESTING tPHZ AND tPZH
POSITION 2 WHEN TESTING tPLZ AND tPZL
ANALOG I/O
VCC
16
ON/OFF
10kΩ
TEST
POINT
CL*
VOH
HIGH
IMPEDANCE
ENABLE
6
8
Figure 21. Propagation Delay, Test Set–Up
Enable to Analog Out
VCC
ANALOG I/O
VCC
A
16
ON/OFF
OFF/ON
COMMON O/I
NC
6
VCC
8
11
CHANNEL SELECT
Figure 22. Power Dissipation Capacitance,
Test Set–Up
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