74HC259D 查看數據表（PDF） - Philips Electronics
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74HC259D Datasheet PDF : 11 Pages
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Philips Semiconductors
8-bit addressable latch
Product specification
74HC/HCT259
ORDERING INFORMATION
See “74HC/HCT/HCU/HCMOS Logic Package Information”.
PIN DESCRIPTION
PIN NO.
1, 2, 3
4, 5, 6, 7, 9 10, 11, 12
8
13
14
15
16
SYMBOL
A0 to A2
Q0 to Q7
GND
D
LE
MR
VCC
NAME AND FUNCTION
address inputs
latch outputs
ground (0 V)
data input
latch enable input (active LOW)
conditional reset input (active LOW)
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
3
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