MC14538B
PIN ASSIGNMENT
VSS 1
CX/RXA 2
RESET A 3
AA 4
BA 5
QA 6
QA 7
VSS 8
16 VDD
15 VSS
14 CX/RXB
13 RESET B
12 AB
11 BB
10 QB
9 QB
A
4
B
5
BLOCK DIAGRAM
CX
RX
VDD
12
Q1
6
Q1
7
RESET
3
A
12
11 B
CX
RX
VDD
15 14
Q2
10
Q2
9
RESET
13
RX AND CX ARE EXTERNAL COMPONENTS.
VDD = PIN 16
VSS = PIN 8, PIN 1, PIN 15
ONE–SHOT SELECTION GUIDE
100 ns 1 µs 10 µs 100 µs 1 ms 10 ms 100 ms 1 s
MC14528B
MC14536B
MC14538B
MC14541B
MC4538A*
10 s
23 HR
5 MIN.
*LIMITED OPERATING VOLTAGE (2 – 6 V)
TOTAL OUTPUT PULSE WIDTH RANGE
RECOMMENDED PULSE WIDTH RANGE
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