IC Memory
Dynamic RAM Module
s
SIMM
Organiza-
Capacity tion
(byte)
(words
∞
bits)
32M
8M
∞
36
Access
time
MAX.
(ns)
60
70
80
60
70
80
60
70
60
70
80
60
70
80
60
70
60
70
80
100
60
70
80
60
70
60
70
80
100
60
70
80
60
70
Maximum supply
current
Active
(mA)
1420
1260
1140
860
780
940
860
1360
1200
1080
880
800
720
880
800
1300
1180
1060
940
324
304
284
324
304
1240
1120
1000
880
320
300
280
320
300
16
12
• 72-pin SIMM
socket type
socket type (solder-coated/gold-plated)
Hyper page
(EDO)
Fast page
Standby
(mA)
24
Supply
voltage
(V)
5±10 %
Part number
Package
Remarks
MC-428000A36
• 72-pin SIMM
socket type (solder-coated/gold-plated)
Fast page
8M
∞
32
MC-428000A32
16
MC-428000F32
16M
4M
∞
36
MC-424000A36
4M
∞
32
MC-424000A32
8
MC-424000F32
8M
2M
∞
36
MC-422000A36
8
24
Hyper page
(EDO)
Fast page
2M
∞
32
MC-422000A32
4
Fast page
16M DRAM
Base
Hyper page
(EDO)
• 72-pin SIMM
socket type
socket type (solder-coated/gold-plated)
Fast page
MC-422000F32
4M
1M
∞
36
MC-421000A36
4
12
1M
∞
32
MC-421000A32
2
Fast page
16M DRAM
Base
Hyper page
(EDO)
MC-421000F32
2
s
SOD (SOD: Small Outline DIMM,
Organiza-
tion
Bank
(words
∞
bits)
1M
∞
32
1
Access
time
MAX.
(ns)
60
70
80
60
70
80
60
70
80
60
70
80
60
70
80
DIMM: Dual Inline Memory Module)
Refresh
cycle
(cycles/
ms)
1K/128
Maximum supply current
Self
Active Standby
refresh
(mA)
(mA)
(
µ
A)
300
280
260
400
360
320
301
281
261
800
720
640
405
365
325
4
1
360
Supply
voltage
(V)
Package
Mounted
devices
Remarks
Part number
MC-42S1000LAD32S
3.3±0.3 • 72-pin SOD
Socket type
(Gold plated)
D42S18160LG5
∞
2 pcs.
D42S17800LG5
∞
4 pcs.
D42S18160LG5
∞
4 pcs.
D42S17400LG3
∞
8 pcs.
D42S17800LG5
∞
8 pcs.
Fast page
Self refresh
2M
∞
32
1
MC-42S2000LAB32S
2K/128
2
600
2
MC-42S2000LAD32S
1K/128
720
4M
∞
32
1
MC-42S4000LAC32S
2K/128
1200
2
MC-42S4000LAB32S
1200
72