74LVCZ161284A datasheet(3/12 Pages) STMICROELECTRONICS

Part #	74LVCZ161284A

Description	LOW VOLTAGE HIGH SPEED IEEE 1284 TRANSCEIVER WITH ERROR-FREE POWER-UP

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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3 / 12 page

74LVCZ161284A

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PIN DESCRIPTION

TRUTH TABLE

PIN N°

SYMBOL

NAME AND FUNCTION

High Drive Enable Input

2, 3, 4, 5, 6

A9 to A13

Side A Input

8, 9, 11, 12, 13, 14, 16, 17

A1 to A8

Side A Input or Output

PLI

Peripheral Logic Input

20, 21, 22, 23

A14 to A17

Side A Output

HLO

Host Logic Output

HLI

Host Logic Input

29, 28, 27, 26

C14 to C17

Side Cable Output

PLO

Peripheral Logic Output

41, 40, 38, 37, 36, 35, 33, 32

B1 to B8

Side Cable Input or Output

47, 46, 45, 44, 43

Y9 to Y13

Side Cable Output

DIR

Direction Control Input

10, 15, 34, 39

GND

Ground (0V)

7, 18

VCC

Positive Supply Voltage

31, 42

VCC/CABLE

Cable Power Supply

INPUT

OUTPUT

DIR

B1-B8 Data to A1-A8

A9-A13 Data to Y9-Y13

C14-C17 Data to A14-A17

Y9-Y13 and PLO Open

Drain

Y9-Y13 and PLO Totem

Pole

A1-A8 Data to B1-B8

A9-A13 Data to Y9-Y13

C14-C17 Data to A14-A17

B1-B8 Y9-Y13 and PLO

Open Drain

B1-B8 Y9-Y13 and PLO

Totem Pole

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