74LVC161284TTR datasheet(2/11 Pages) STMICROELECTRONICS

No. de pieza	74LVC161284TTR

Descripción Electrónicos	LOW VOLTAGE HIGH SPEED IEEE1284 TRANSCEIVER

PDF	11 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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74LVC161284

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LOGIC DIAGRAM

NOTE A:

The PMOS transistors prevent backdriving current from the signal pins to VCC/CABLE when VCC/CABLE is open or at GND. The

PMOS transistor is turned off when the associated driver is in the low state.

NOTE B:

The PMOS transistor prevents backdriving current from the signal pins to VCC/CABLE when VCC/CABLE is open or at GND.

PIN DESCRIPTION

PIN No

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

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