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Digital Control Input – ENABLE:
(Single Channel) 5V CMOS levels:
(Multiplexed) 5V CMOS levels:
Digital Control Input – CLOCK:
(Single Channel) 5V CMOS levels:
(Multiplexed) 0-5V transition:
Digital Control Output – VALID:
5V CMOS levels:
Thermistor Excitation Voltage:
A.2 Multiplexer Timing Specifications
T1
T2
Enable
Clock
Pulse 1
No Channel
Selected
Timing:
T1,T5 = 250 µsec(min.)
T2, T4 = indefinate
T3 = 250 µsec(min.)
T1
Enable
Clock
No Channel
Selected
Timing:
T3
T4
Pulse 2
Channel 1
Selected
Figure 22 - 16-Channel Multiplexer Timing Requirements
T2
T3
Pulse 1
Pulse 2
Channel 1
Channel 2
Selected
T1,T3 = 250 µsec(min.)
T2 = indefinate
Figure 23 - 32-Channel Multiplexer Timing Requirements
0V = VW OUT
5V = °C OUT
0V = SLEEP
5V = READ
0V = ON
5V = OFF
Channel increment
0V = READING
NOT READY
5V = READING
READY
2.5 VDC
T5
Pulse 31
Channel 16
Selected
Pulse 32
No Channel
Selected
Selected
Pulse 32
Channel 32
No Channel
Selected
Selected
27
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