74LVC_LVCH16245A_8

© NXP B.V. 2008. All rights reserved.

Product data sheet

Rev. 08 — 6 November 2008

6 of 19

NXP Semiconductors

74LVC16245A; 74LVCH16245A

16-bit bus transceiver with direction pin; 5 V tolerant; 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.

Table 2.

Pin description

Symbol

Pin

Description

SOT370-1 and

SOT362-1

SOT702-1

SOT1025-1

1DIR, 2DIR 1, 24

A1, K1

A30, A13

direction control input

1B0 to 1B7

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

12

B2, B1, C2, C1, D2, D1,

E2, E1

B20, A31, D5, D1, A2,

B2, B3, A5

data input/output

2B0 to 2B7

13, 14, 16, 17, 19,

20, 22, 23

F1, F2, G1, G2, H1, H2,

J1, J2

A6, B5, B6, A9, D2, D6,

A12, B8

data input/output

GND

4, 10, 15, 21, 28,

34, 39, 45

B3, B4, D3, D4, G3, G4,

J3, J4

A32, A3, A8, A11, A16,

A19, A24, A27

ground (0 V)

7, 18, 31, 42

C3, C4, H3, H4

A1, A10, A17, A26

supply voltage

1OE, 2OE

48, 25

A6, K6

A29, A14

output enable input (active LOW)

1A0 to 1A7

47, 46, 44, 43, 41,

40, 38, 37

B5, B6, C5, C6, D5, D6,

E5, E6

B18, A28, D8, D4, A25,

B16, B15, A22

data input/output

2A0 to 2A7

36, 35, 33, 32, 30,

29, 27, 26

F6, F5, G6, G5, H6, H5,

J6, J5

A21, B13, B12, A18, D3,

D7, A15, B10

data input/output

n.c.

-

A2, A3, A4, A5, K2, K3,

K4, K5

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

A = B

inputs

L

H

inputs

B = A

HX

Z

Z