74AVCH1T45

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© NXP B.V. 2012. All rights reserved.

Product data sheet

Rev. 4 — 3 August 2012

4 of 24

NXP Semiconductors

74AVCH1T45

Dual-supply voltage level translator/transceiver; 3-state

7.

Functional description

[1]

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

[2]

The input circuit of the data I/O is always active.

[3]

[4]

8.

Limiting values

[1]

The minimum input voltage ratings and output voltage ratings may be exceeded if the input and output current ratings are observed.

[2]

[3]

[4]

For SC-88 packages: above 87.5

C the value of P

For XSON6 packages: above 118

C the value of P

9.

Recommended operating conditions

Table 4.

Function table[1]

Supply voltage

Input

Input/output[2]

DIR[3]

A

B

0.8 V to 3.6 V

L

A = B

input

0.8 V to 3.6 V

H

input

B = A

GND[4]

XZ

Z

Table 5.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).

Symbol

Parameter

Conditions

Min

Max

Unit

supply voltage A

0.5

+4.6

V

supply voltage B

0.5

+4.6

V

input clamping current

50

-

mA

input voltage

[1]

0.5

+4.6

V

output clamping current

50

-

mA

output voltage

Active mode

[1][2][3]

0.5

V

Suspend or 3-state mode

[1]

0.5

+4.6

V

output current

-

50

mA

supply current

-100

mA

ground current

100

-

mA

storage temperature

65

+150

C

total power dissipation

[4] -250

mW

Table 6.

Recommended operating conditions

Symbol

Parameter

Conditions

Min

Max

Unit

supply voltage A

0.8

3.6

V

supply voltage B

0.8

3.6

V

input voltage

0

3.6

V