Datasheet

SN74HC4851-Q1
8-CHANNEL ANALOG MULTIPLEXER/DEMUL TIPLEXER
WITH INJECTION-
CURRENT EFFECT CONTROL
SCLS554C − JANUARY 2004 − REVISED OCTOBER 2012
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
11
C
PARAMETER MEASUREMENT INFORMATION
Enable
t
f
t
f
90%
50%
10%
V
CC
GND
Position 1 when testing t
PHZ
and t
PZH
1
Position 2 when testing t
PLZ
and t
PZL
2
V
CC
V
t
PZL
t
PLZ
CC
16
Analog I/O
10 kΩ
High
1
ON/OFF
Test
Analog
Out
Analog
Out
t
PZH
50 %
50 %
10%
t
PHZ
90%
Impedance
V
OL
V
OH
High
Impedance
2
L
Enable
6
8
Point
Figure 13. Propagation Delays,
Enable to Analog Out
Figure 14. Propagation-Delay Test Setup,
Enable to Analog Out
V
CC
A
V
CC
16
ON/OFF
Common O/I
Analog I/O
NC
OFF/ON
6
8
11
V
CC
Channel Select
Figure 15. Power-Dissipation Capacitance Test Setup