MAX350 Maxim, MAX350 Datasheet - Page 15
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MAX350
Manufacturer Part Number
MAX350
Description
The MAX349/MAX350 are 8-channel and dual 4-channel serially controlled multiplexers (muxes)
Manufacturer
Maxim
Datasheet
1.MAX349.pdf
(20 pages)
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Table 1. MAX349 Serial-Interface Switch Programming
Table 2. MAX350 Serial-Interface Switch Programming
X = Don’t care. Data bit D7 is first bit in; data bit D0 is last in.
RESET
RESET
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D7
D7
X
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
______________________________________________________________________________________
8-Channel/Dual 4-Channel Multiplexers
D6
D6
X
0
1
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
D5
D5
X
0
1
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
Serially Controlled, Low-Voltage,
D4
D4
DATA BITS
DATA BITS
X
0
1
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
D3
D3
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
0
1
D2
D2
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
0
1
D1
D1
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
D0
D0
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
All switches open, D7–D0 = 0
All switches open, D7–D0 = 0
All switches closed to COM, D7–D0 = 1
Switch 7 open (off)
Switch 7 closed to COM
Switch 6 open (off)
Switch 6 closed to COM
Switch 5 open (off)
Switch 5 closed to COM
Switch 4 open (off)
Switch 4 closed to COM
Switch 3 open (off)
Switch 3 closed to COM
Switch 2 open (off)
Switch 2 closed to COM
Switch 1 open (off)
Switch 1 closed to COM
Switch 0 open (off)
Switch 0 closed to COM
All switches open, D7–D0 = 0
All switches open, D7–D0 = 0
All “A” switches closed to COMA; All “B”
switches closed to COMB, D7–D0 = 1
Switch NO0B open (off)
Switch NO0B closed
Switch NO1B open (off)
Switch NO1B closed
Switch NO2B open (off)
Switch NO2B closed
Switch NO3B open (off)
Switch NO3B closed
Switch NO3A open (off)
Switch NO3A closed
Switch NO2A open (off)
Switch NO2A closed
Switch NO1A open (off)
Switch NO1A closed
Switch NO0A open (off)
Switch NO0A closed
MAX349 FUNCTION
MAX350 FUNCTION
15