MAX382 데이터 시트보기 (PDF) - Maxim Integrated
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MAX382 Datasheet PDF : 12 Pages
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Low-Voltage, 8-Channel/Dual 4-Channel
Multiplexers with Latchable Inputs
+5V
D1
V+
MAX382
MAX384
*
*
COM
NO
*
*
V-
D2
-5V * INTERNAL PROTECTION DIODES
Figure 8. Overvoltage Protection Using External Blocking Diodes
__________________________________________Functional Diagrams/Truth Tables
MAX382 8-CHANNEL SINGLE-ENDED MULTIPLEXER
V+
V-
GND
MAX384 DIFFERENTIAL 4-CHANNEL MULTIPLEXER
V+
V-
GND
NO1
NO2
NO3
NO4
NO5
NO6
NO7
NO8
DECODERS / DRIVERS
LATCHES
WR
NO1A
NO2A
NO3A
NO4A
COM
NO1B
NO2B
NO3B
NO4B
RS
WR
DECODERS / DRIVERS
LATCHES
COMA
COMB
RS
A2
A1
A0
EN
A2 A1 A0 EN
Latching
X
XXX
Reset
X
XXX
Transparent Operation
X
XX0
0
001
0
011
0
101
0
111
1
001
1
011
1
101
1
111
WR RS
ON SWITCH
1
Maintains previous
switch condition
X
0
NONE
(latches cleared)
0 1 NONE
0 11
0 12
0 13
0 14
0 15
0 16
0 17
0 18
A1
A0
EN
A1 A0 EN WR RS
ON SWITCH
Latching
XXX
Reset
XXXX
Transparent Operation
1
Maintains previous
switch condition
0
NONE
(latches cleared)
X X 0 0 1 NONE
0 0 1 0 11
0 1 1 0 12
1 0 1 0 13
1 1 1 0 14
LOGIC "0" = VAL ≤ 0.8V, LOGIC "1" VAH ≥ 2.4V
______________________________________________________________________________________ 11
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