IBM 1 Series - Page 69

2-58
GA34-0033
Types A-A, A-B, A-C
Output/input
Type A-D
Input
Type A-E
Output
Type A-F
Output
Type A-G
Input
Figure 2-25.
Driver—
> open
l=+ > collector
Receiver
conditioned
™~_. .
7 Receiver
T=+ —>
Driver—
open
Ny,
a
l=+ —_—> collector
Driver—
active
we
”
[=+
—>
collector
P +5 V +10%
2k +10%
Receiver
‘NS Lae
Unit-load driver/receiver classification
Open collector
drivers are non-Schottky
Open collector
drivers are non-Schottky
Active collector
drivers are Schottky