參數(shù)資料
型號(hào)： MAX349
廠商： Maxim Integrated Products, Inc.
英文描述： Serially Controlled, Low-Voltage, 8-Channel Multiplexers(接通電阻100Ω,漏電流0.1nA,導(dǎo)通速率0.275μs,串行控制多路轉(zhuǎn)換器)
中文描述： 串行控制、低電壓、8通道和雙4通道多路復(fù)用器
文件頁(yè)數(shù)： 15/20頁(yè)
文件大?。?/td> 214K
代理商： MAX349
M
S erially Controlled, Low-Voltage,
8-Channel/Dual 4-Channel Multiplexers
______________________________________________________________________________________
15
X = Don’t care. Data bit D7 is first bit in; data bit D0 is last in.
Table 1. MAX349 Serial-Interface Switch Programming
X
X
Switch 1B closed to COMB
Switch 0B open (off)
1
X
X
0
1
1
X
X
X
X
X
X
X
X
X
X
D3
X
0
1
X
X
X
X
X
X
0
X
X
D1
X
0
X
X
X
0
X
X
X
X
X
X
X
X
X
X
D0
X
0
X
X
X
X
X
X
X
X
X
X
X
X
RESET
1
1
X
X
D2
X
0
X
0
1
X
X
X
X
X
X
X
X
X
1
1
X
X
D5
X
0
X
X
X
X
1
X
X
X
X
X
X
0
D4
X
0
X
X
X
X
X
0
1
X
X
X
X
X
1
1
X
X
D6
X
0
X
X
X
X
X
X
X
X
X
0
1
X
1
X
D7
X
Switch 3B closed to COMB
Switch 2B open (off)
Switch 2B closed to COMB
Switch 1B open (off)
1
1
X
X
1
1
X
X
Switch 1A closed to COMA
Switch 0A open (off)
Switch 0A closed to COMA
Switch 3B open (off)
1
1
X
X
1
1
X
X
Switch 3A closed to COMA
Switch 2A open (off)
Switch 2A closed to COMA
Switch 1A open (off)
1
1
1
X
1
1
X
X
X
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 3A open (off)
1
1
1
0
1
0
0
Switch 0B closed to COMB
DATA BITS
X
1
1
X
X
X
X
MAX350 FUNCTION
X
X
X
Switch 1 closed to COM
Switch 0 open (off)
1
X
X
0
1
1
X
X
X
X
X
X
X
X
X
X
D3
X
0
1
X
X
X
X
X
X
0
X
X
D1
X
0
X
X
X
0
X
X
X
X
X
X
X
X
X
X
D0
X
0
X
X
X
X
X
X
X
X
X
X
X
X
RESET
1
X
1
X
D2
X
0
X
0
1
X
X
X
X
X
X
X
X
X
1
X
1
X
D5
X
0
X
X
X
X
1
X
X
X
X
X
X
0
D4
X
0
X
X
X
X
X
0
1
X
X
X
X
X
1
X
1
X
D6
X
0
X
X
X
X
X
X
X
X
X
0
1
X
1
X
D7
X
Switch 3 closed to COM
Switch 2 open (off)
Switch 2 closed to COM
Switch 1 open (off)
1
1
X
X
1
1
X
X
Switch 5 closed to COM
Switch 4 open (off)
Switch 4 closed to COM
Switch 3 open (off)
1
1
X
X
1
1
X
X
Switch 7 closed to COM
Switch 6 open (off)
Switch 6 closed to COM
Switch 5 open (off)
1
1
1
X
1
1
X
X
X
All switches open, D7–D0 = 0
All switches open, D7–D0 = 0
All switches closed to COM, D7–D0 = 1
Switch 7 open (off)
1
1
1
0
1
0
0
Switch 0 closed to COM
DATA BITS
X
1
1
X
X
X
X
MAX349 FUNCTION
X
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