Lexmark C762 - Manual (Page 309)

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%