Nexperia

74AXP2T45

2-bit dual supply translating transceiver; 3-state

6. Pinning information

6.1. Pinning

74AXP2T45

VCC(A)

VCC(B)

1A

1B

2A

2B

GND

DIR

aaa-029971

1

2

3

4

6

5

8

7

Fig. 3. Pin configuration SOT765-1 (VSSOP8)

1

2

3

VCC(A)

1A

2A

8

4

7

6

5

1B

2B

DIR

aaa-029972

Transparent top view

74AXP2T45

GND

VCC(B)

Fig. 4. Pin configuration SOT1233-2 (X2SON8)

6.2. Pin description

Table 3. Pin description

Symbol

Pin

Description

VCC(A)

1

supply voltage A (nA, and DIR are referenced to VCC(A))

1A

2

data input or output

2A

3

data input or output

GND

4

ground (0 V)

DIR

5

direction control

2B

6

data input or output

1B

7

data input or output

VCC(B)

8

supply voltage B (nB is referenced to VCC(B))

7. Functional description

Table 4. Function table

H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.

Supply voltage

Input

Input/output [1]

VCC(A), VCC(B)

DIR[2]

nA[2]

nB[2]

0.9 V to 5.5 V

L

nA = nB

input

0.9 V to 5.5 V

H

input

nB = nA

GND[1]

X

Z

Z

[1] If at least one of VCC(A) or VCC(B) is at GND level, the device goes into suspend mode.

[2] nA and DIR are referenced to VCC(A); nB is referenced to VCC(B).

74AXP2T45

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© Nexperia B.V. 2022. All rights reserved

Product data sheet

Rev. 2 — 23 June 2022

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