Parallel I/O Socket; Compatible Line Drivers; Parallel I/O Connector P3 - Advanced Micro Computers Am96/4116A User Manual

TABLE 2-8. PARALLEL I/O SOCKET COMPATIBLE LINE DRIVERS
DRIVER CHARACTER 1ST IC SINK CURRENT
DR IVER CHARACTER I ST IC SINK CURRENT
7438
I, OC
48mA 7409 NI, OC
16mA
7437 I
48mA 7408 NI 16mA
7432 NI
16mA 7403 I, OC
16mA
7426 I, OC
16mA 7400 I 16mA
NOTE: I
=
Inverting
NI
=
non- I n ve/-t I n g
OC
=
open col lector
TABLE 2-9. PARALLEL I/O CONNECTOR P3
2-8
PIN
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
SIGNAL
PIN SIGNAL
PB7 ' 2 Ground
PB6 4 Ground
PB5 6 Ground
Port B
PB4 8 Ground
PB3 10 Ground
PB2 12 Ground
PBI 14 Ground
PBO 16 Ground
PC3 18 Ground
PC2 20 Ground
PCI 22 Ground
Port C PCO 24 Ground
PC4 26 Ground
PC5 28 Ground
PC6
30 Ground
PC7 32 Ground
PA7 34 Ground
PA6
36 Ground
PA5 38 Ground
PA4
40 Ground
Port A PA3 42 Ground
PA2 44 Ground
PAl 46 Ground
PAO 48 Ground
None 50 Ground