Interfaces – Lexmark C762 User Manual

Page 309

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Interfaces

8-17

ACKNLG*, ERROR*, SLCT, PE Drivers for the Lexmark T640x

The following diagram illustrates the ACKNLG*, ERROR*, SLCT, PE drivers for the
Lexmark T640x.

BUSY Driver and INIT* Receiver for the Lexmark T640x

The following diagram illustrates the BUSY driver and the INIT* receiver for the
Lexmark T640x.

74LVC161284

74LVC161284

INIT*

(input)

GND

GND

BUSY

(output)

150 pF±20%

50K ohm ±5%

1500 pF±20%

Connector

Pin

74LVC161284

GND

150 pF ±20%

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