74HCT4515 查看數據表（PDF） - Philips Electronics
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74HCT4515 Datasheet PDF : 8 Pages
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Philips Semiconductors
4-to-16 line decoder/demultiplexer with
input latches; inverting
PIN DESCRIPTION
PIN NO.
SYMBOL
1
LE
2, 3, 21, 22
A0 to A3
11, 9, 10, 8, 7, 6, 5, 4,18, 17, 20, 19, 14, 13, 16, 15 Q0 to Q15
12
GND
23
E
24
VCC
Product specification
74HC/HCT4515
NAME AND FUNCTION
latch enable input (active HIGH)
address inputs
multiplexer outputs (active LOW)
ground (0 V)
enable input (active LOW)
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
September 1993
3
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