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74HC243N Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. 74HC243N
Description  Quad bus transceiver; 3-state
Download  17 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74HC243N Datasheet(HTML) 4 Page - NXP Semiconductors

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9397 750 13808
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 03 — 12 November 2004
4 of 17
Philips Semiconductors
74HC243
Quad bus transceiver; 3-state
6.
Pinning information
6.1 Pinning
6.2 Pin description
Fig 4.
Pin configuration
243
OEA
VCC
n.c.
OEB
A0
n.c.
A1
B0
A2
B1
A3
B2
GND
B3
001aab948
1
2
3
4
5
6
7
8
10
9
12
11
14
13
Table 3:
Pin description
Symbol
Pin
Description
OEA
1
output enable input (active LOW)
n.c.
2
not connected
A0
3
data input or output
A1
4
data input or output
A2
5
data input or output
A3
6
data input or output
GND
7
ground (0 V)
B3
8
data output or input
B2
9
data output or input
B1
10
data output or input
B0
11
data output or input
n.c.
12
not connected
OEB
13
output enable input
VCC
14
positive supply voltage


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