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5.
ELECTRICAL SPECIFICATIONS
Vcc :::;
+5V ±5%
Icc
=
2.08A maximum (l.6A typical) with
RAM
Power
8.0 watts (typ rca 1)
~'d~
Sockets fully loaded (65mA per RAM maximum)
Address, Data, and Control Busses meet all STD BUS general electrIcal
specifications except:
A10, All
~
A12
~
These address bus Inputs present
2 LSTTL loads maximum each.
STD/7701 EDGE CONNECTOR PIN LIST
PIN NUMBER
PIN NUMBER
OvrPUT (.DtU"e.)
LS., .....
OUTPUT (DRIVE) L4S.
'\II..
INPUT (LOADING)
~L
INPUT (LOADING)
~1tt.
MNEMONIC
',"
MNEMONIC
+5 VOLTS
VCC
2
1
VCC
+5 VOLTS
GROUND
GNO
4
3
GNO GROUND
-5V
6
5
-5V
07
1
55
I---
8
7
f---
65
1
03
06
1
5~
10
9
~!;
1
02
05
1
56
12
11
~'$
1
01
04
1
55
14
13
~5
1
DO
A15
1
16
15
1
A7
A14
1
18
17
1
AS
A13
1
20
19
1
A5
A12
2
22
21
1
A4
A11
2
24
23
1
A3
A10
2
26
25
1
A2
A9
1
28
27
1
A1
A8
1
30
29
1
AO
RO'
1
32
31
1
WR'
MEMRO'
1
34
33
IORO'
MEMEX'
1
36
35
IOEXP'
MCSYNC'
38
37
REFRESH'
STATUS 0'
40
39
STATUS
l '
BUSRO'
42
41
BUSAK'
INTRO'
44
43
INTAK'
NMIRO'
46
45
WAITRO'
PBRESET'
48
47
SYSRESET'
CNTRl'
50
49
CLOCK'
PCI
IN
52
51 OUT
PCO
AUX GNO
54
53
AUX GNO
AUX
-v
56
55
AUX +V
"Designates Active Low Level Logic
Edge Connector Pin List
**
See Appendix A, Thermal Considerations
8
o
o
o
--~-----------------------------
- - - -
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