MC74HC4851A_11 Datasheet, PDF (9/15 Pages) ON Semiconductor – Analog Multiplexers/Demultiplexers with Injection Current Effect Control

ANALOG
IN
t_PLH
ANALOG
OUT
MC74HC4851A, MC74HC4852A
50%
50%
V_CC
GND
t_PHL
ANALOG I/O
V_CC
16
ON
COMMON O/I _TEST
POINT
C_L*
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
t_f
ENABLE
ANALOG
OUT
ANALOG
OUT
t_r
t_PZL t_PLZ
50%
t_PZH t_PHZ
50%
90%
50%
10%
10%
90%
Figure 20. Propagation Delays, Enable to
Analog Out
V_CC
1
2
GND
V_CC
HIGH
1
IMPEDANCE
2
V_OL
V_OH
HIGH
IMPEDANCE
POSITION 1 WHEN TESTING t_PHZ AND t_PZH
POSITION 2 WHEN TESTING t_PLZ AND t_PZL
ANALOG I/O
V_CC
16
ON/OFF
10kW
TEST
POINT
C_L*
ENABLE
6
8
Figure 21. Propagation Delay, Test Set−Up
Enable to Analog Out
V_CC
ANALOG I/O
V_CC
A
16
ON/OFF
OFF/ON
COMMON O/I
NC
6
V_CC
8
11
CHANNEL SELECT
Figure 22. Power Dissipation Capacitance,
Test Set−Up
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