74AVCH4T245PW datasheet(4/26 Pages) NXP

Part #	74AVCH4T245PW

Description	4-bit dual supply translating transceiver with configurable voltage translation; 3-state

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Manufacturer	NXP [NXP Semiconductors]

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74AVCH4T245_1

Product data sheet

Rev. 01 — 6 August 2009

4 of 26

NXP Semiconductors

74AVCH4T245

4-bit dual supply translating transceiver; 3-state

5.2 Pin description

[1]

All GND pins must be connected to ground (0 V).

(1) The die substrate is attached to this pad using

conductive die attach material. It can not be used as

a supply pin or input.

Fig 4.

Pin conﬁguration SOT403-1 (TSSOP16)

Fig 5.

Pin conﬁguration SOT763-1 (DHVQFN16)

74AVCH4T245

VCC(A)

VCC(B)

1DIR

1OE

2DIR

2OE

1A1

1B1

1A2

1B2

2A1

2B1

2A2

2B2

GND

001aak287

1

2

3

4

5

6

7

8

10

9

12

11

14

13

16

15

001aak289

74AVCH4T245

2A2

2B2

2A1

2B1

1A2

1B2

1A1

1B1

2DIR

2OE

1DIR

1OE

Transparent top view

7

10

6

11

5

12

4

13

3

14

2

15

terminal 1

index area

GND(1)

Table 2.

Pin description

Symbol

Description

VCC(A)

1

supply voltage A (nAn, nOE and nDIR inputs are referenced to VCC(A))

1DIR, 2DIR

2, 3

direction control

1A1, 1A2

4, 5

data input or output

2A1, 2A2

6, 7

data input or output

GND[1]

8, 9

ground (0 V)

2B2, 2B1

10, 11

data input or output

1B2, 1B1

12, 13

data input or output

2OE, 1OE

14, 15

output enable input (active LOW)

VCC(B)

16

supply voltage B (nBn inputs are referenced to VCC(B))

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