74HC243DB データシートの表示（PDF） - NXP Semiconductors.

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74HC243DB

Quad bus transceiver; 3-state

NXP Semiconductors. 

Philips Semiconductors

6. Pinning information

6.1 Pinning

74HC243

Quad bus transceiver; 3-state

OEA 1

n.c. 2

A0 3

A1 4

A2 5

A3 6

GND 7

Fig 4. Pin configuration

14 VCC

13 OEB

12 n.c.

243

11 B0

10 B1

9 B2

8 B3

001aab948

6.2 Pin description

Table 3:

Symbol

OEA

n.c.

A0

A1

A2

A3

GND

B3

B2

B1

B0

n.c.

OEB

VCC

Pin description

Pin

1

2

3

4

5

6

7

8

9

10

11

12

13

14

Description

output enable input (active LOW)

not connected

data input or output

data input or output

data input or output

data input or output

ground (0 V)

data output or input

data output or input

data output or input

data output or input

not connected

output enable input

positive supply voltage

9397 750 13808

Product data sheet

Rev. 03 — 12 November 2004

© Koninklijke Philips Electronics N.V. 2004. All rights reserved.

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