74LVC_LVCH1T45_2

© NXP B.V. 2010. All rights reserved.

Product data sheet

Rev. 02 — 19 January 2010

4 of 30

NXP Semiconductors

74LVC1T45; 74LVCH1T45

Dual supply translating 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]

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 package: above 87.5

°C the value of P

For XSON6 package: above 118

°C the value of P

9.

Recommended operating conditions

Table 4.

Function table[1]

Supply voltage

Input

Input/output[2]

DIR

A

B

1.2 V to 5.5 V

L

A = B

input

1.2 V to 5.5 V

H

input

B = A

GND[3]

X

Z

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

+6.5

V

supply voltage B

−0.5

+6.5

V

input clamping current

−50

-

mA

input voltage

[1]

−0.5

+6.5

V

output clamping current

−50

-

mA

output voltage

Active mode

[1][2][3]

−0.5

V

Suspend or 3-state mode

[1]

−0.5

+6.5

V

output current

[2] -

±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

1.2

5.5

V

supply voltage B

1.2

5.5

V

input voltage

0

5.5

V