74LVC245ADB Просмотр технического описания (PDF) - NXP Semiconductors.

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производитель

74LVC245ADB

Octal bus transceiver; 3-state

NXP Semiconductors. 

Nexperia

74LVC245A; 74LVCH245A

Octal bus transceiver; 3-state

5. Pinning information

5.1 Pinning

DIR 1

A0 2

A1 3

A2 4

A3 5

A4 6

A5 7

A6 8

A7 9

GND 10

74LVC245A

74LVCH245A

20 VCC

19 OE

18 B0

17 B1

16 B2

15 B3

14 B4

13 B5

12 B6

11 B7

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Fig 3. Pin configuration for SO20 and (T)SSOP20

terminal 1

index area

74LVC245A

74LVCH245A

A0 2

A1 3

A2 4

A3 5

A4 6

A5 7

A6 8

A7 9

GND(1)

19 OE

18 B0

17 B1

16 B2

15 B3

14 B4

13 B5

12 B6

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Transparent top view

(1) This is not a supply pin. The substrate is attached to this

pad using conductive die attach material. There is no

electrical or mechanical requirement to solder this pad.

However, if it is soldered, the solder land should remain

floating or be connected to GND.

Fig 4. Pin configuration for DHVQFN20 and

DHXQFN20

5.2 Pin description

Table 2.

Symbol

DIR

A0 to A7

GND

B0 to B7

OE

VCC

Pin description

Pin

1

2, 3, 4, 5, 6, 7, 8, 9

10

18, 17, 16, 15, 14, 13, 12, 11

19

20

Description

direction control

data input/output

ground (0 V)

data input/output

output enable input (active LOW)

supply voltage

74LVC_LVCH245A

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 8 — 28 June 2013

© Nexperia B.V. 2017. All rights reserved

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