74ALVC164245

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Product data sheet

Rev. 8 — 15 March 2012

6 of 20

NXP Semiconductors

74ALVC164245

16-bit dual supply translating transceiver; 3-state

5.2 Pin description

6.

Functional description

[1]

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

7.

Limiting values

Table 2.

Pin description

Symbol

Pin

Description

SOT370-1 and SOT362-1

SOT1134-2

1DIR, 2DIR 1, 24

A30, A13

direction control input

1B0 to 1B7

2, 3, 5, 6, 8, 9, 11, 12

B20, A31, D5, D1, A2, B2, B3, A5

data input/output

2B0 to 2B7

13, 14, 16, 17, 19, 20, 22, 23

A6, B5, B6, A9, D2, D6, A12, B8

data input/output

GND

4, 10, 15, 21, 28, 34, 39, 45

A32, A3, A8, A11, A16, A19, A24, A27

ground (0 V)

7, 18

A1, A10,

supply voltage B (5 V bus)

1OE, 2OE

48, 25

A29, A14

output enable input (active LOW)

1A0 to 1A7

47, 46, 44, 43, 41, 40, 38, 37

B18, A28, D8, D4, A25, B16, B15, A22

data input/output

2A0 to 2A7

36, 35, 33, 32, 30, 29, 27, 26

A21, B13, B12, A18, D3, D7, A15, B10

data input/output

31, 42

A17, A26

supply voltage A (3 V bus)

n.c.

-

A4, A7, A20, A23, B1, B4, B7, B9, B11,

B14, B17, B19

not connected

Table 3.

Function table[1]

Inputs

Outputs

nOE

nDIR

nAn

nBn

L

L

nAn = nBn

inputs

L

H

inputs

nBn = nAn

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). See

[1].

Symbol

Parameter

Conditions

Min

Max

Unit

supply voltage B

0.5

+6.0

V

supply voltage A

0.5

+4.6

V

input clamping current

50

-

mA

input voltage

[2]

0.5

+6.0

V

input/output voltage

0.5

V

output clamping current

-

50

mA

output voltage

output HIGH or LOW

[2]

0.5

V

output 3-state

[2]

0.5

+6.0

V

output sink or source

current

-

50

mA

supply current

-

100

mA