74HC540-Q100 데이터 시트보기 (PDF) - NXP Semiconductors.
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74HC540-Q100 Datasheet PDF : 17 Pages
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NXP Semiconductors
74HC540-Q100; 74HCT540-Q100
Octal buffer/line driver; 3-state; inverting
5. Pinning information
5.1 Pinning
+&4
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Fig 5. Pin configuration DIP20 and SO20
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DDD
5.2 Pin description
Table 2.
Symbol
OE1
A0 to A7
GND
Y0 to Y7
OE2
VCC
Pin description
Pin
Description
1
output enable input (active LOW)
2, 3, 4, 5, 6, 7, 8, 9
data input
10
ground (0 V)
18, 17, 16, 15, 14, 13, 12, 11 data output
19
output enable input (active LOW)
20
supply voltage
6. Functional description
Table 3.
Control
OE1
L
L
X
H
Functional table[1]
OE2
L
L
H
X
Input
An
L
H
X
X
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
Output
Yn
H
L
Z
Z
74HC_HCT540_Q100
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 21 January 2013
© NXP B.V. 2013. All rights reserved.
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