Product Specifications; Extended Industry-Standard Architecture Interface; Standard Eisa Bus Electronic And Physical Interface - Adaptec AHA-1740A Technical Reference Manual

EISA-to-Fast SCSI Host Adapter

Product Specifications

Physical Dimensions
Length
Width
Height
Standard EISA-compatible form factor.
Power Requirements
+5.0 +/- 0.25 Volts at 2.9 Amps maximum.
Environmental Requirements
Temperature 0-55
Reliability Information
Mean Time Between Failures: 100,000 hours
(calculated per Mil Handbook 217E, ground benign, 40
Mean Time Between Failures: (calculated)
1740A
1742A
1744
Mean Time to Repair: 30 minutes

Extended Industry-Standard Architecture Interface

Standard EISA Bus Electronic and Physical Interface

Driver Output Signals
V
OL
I
OL
V
OH
I
OH
Receiver Input Signals
V
IL
V
IH
Connector configuration as specified by manual of Extended Industry Standard Archi-
tecture host computer.
13-3/8 inches
5/8 inch
5 inches
o
C (operating or storage)
61,466 hours
60,589 hours
54,856 hours
0 volts minimum
24 mA
2.4 volts minimum
8 mA
0.8 volts maximum
2.0 volts minimum
o
C)
0.4 volts maximum
5.25 volts maximum
Introduction
1-5