A-11
Specifications
AHA-2740W/2742W/2744W User’s Guide
Stock Number: 510647-00, Rev. A
Page: A-11
Print Spec Number: 492897-00
Current Date: 8/3/94
ECN Date: 8/9/94
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Floppy Disk Interface
Standard Electronic and Physical Interface
Connector
The floppy disk interface connector should be an unshrouded 34-pin
header.
❒
Driver Output Signals:
V
OL
0 volts minimum
0.5 volts maximum
V
OH
Open collector
5.25 volts maximum
I
OL
60 mA
I
OH
0.1 mA
Receiver Input Signals:
V
T-
1.0 volts maximum
V
T+
1.4 volts minimum
Tied to +5 volt supply through 150 ohm resistors. Schmitt Trigger with 0.8-volt
hysteresis.
