74LVCH32245A_3

© NXP B.V. 2007. All rights reserved.

Product data sheet

Rev. 03 — 20 August 2007

5 of 13

NXP Semiconductors

74LVCH32245A

32-bit bus transceiver with direction pin; 5 V tolerant; 3-state

6.

Functional description

[1]

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

7.

Limiting values

[1]

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

[2]

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

[3]

All supply and ground pins connected externally to one voltage source.

[4]

Above 70

°C the value of P

8.

Recommended operating conditions

Table 3.

Function selection[1]

Input

Output

nOE

nDIR

nAn

nBn

L

L

A = B

inputs

L

H

inputs

B = A

HX

Z

Z

Table 4.

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

−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

output HIGH or LOW state

[2]

−0.5

V

output 3-state

[2]

−0.5

+6.5

V

output current

-

±50

mA

supply current

[3] -

200

mA

ground current

[3]

−200

-

mA

storage temperature

−65

+150

°C

total power dissipation

[4] -

1000

mW

Table 5.

Recommended operating conditions

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

supply voltage

for maximum speed performance

2.7

-

3.6

V

for low-voltage applications

1.2

-

-

V

input voltage

0

-

5.5

V

output voltage

output HIGH or LOW state

0

-

V

output 3-state

0

-

5.5

V

ambient temperature

in free air

−40

-

+85

°C

∆t/∆V

input transition rise and fall

rate

-

-

20

ns/V

-

-

10

ns/V