MC74HCT4851A Datasheet, PDF (8/13 Pages) ON Semiconductor – Analog Multiplexers/ Demultiplexers with Injection Current Effect Control with LSTTL Compatible Inputs

MC74HCT4851A
ANALOG
IN
(V_I)
t_PLH
ANALOG
OUT
V_M
V_M
V_CC
GND
t_PHL
V_I = GND to 3.0 V
V_M = 1.3 V
Figure 13. Propagation Delays, Analog In
to Analog Out
ANALOG I/O
V_CC
16
ON
COMMON O/I _TEST
POINT
C_L*
6
8
*Includes all probe and jig capacitance
Figure 14. Propagation Delay, Test Set−Up
Analog In to Analog Out
t_f
ENABLE
(V_I)
t_r
90%
V_M
10%
t_PZL t_PLZ
ANALOG
OUT
ANALOG
OUT
V_M
10%
t_PZH t_PHZ
90%
V_M
V_I = GND to 3.0 V
V_M = 1.3 V
Figure 15. 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 16. 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 17. Power Dissipation Capacitance,
Test Set−Up
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