IC Memory
Dynamic RAM Module
s
8 Byte DIMM (DIMM: Dual Inline Memory Module)
Access
time
MAX.
(ns)
60
70
80
60
70
60
70
80
60
70
60
70
80
60
70
80
60
70
60
70
80
60
70
60
70
80
60
70
80
60
70
60
70
60
70
80
70
80
60
70
60
70
4K/64
2K/32
Refresh
cycle
(cycles/
ms)
1K/16
Maximum supply
current
Active
(mA)
650
610
570
650
610
660
620
580
660
620
890
810
750
1000
910
820
1000
910
910
820
730
910
820
1990
1810
1630
1630
1480
1270
1990
1810
1630
1450
1810
1630
1450
1270
1090
1810
1630
1450
1270
5
:
Organization
(words
∞
bits)
1M
∞
64
Part number
Standby
(mA)
68
Supply
voltage
(V)
5.0±0.25
Package
Remarks
MC-421000AA64
• 168-pin DIMM Fast page
Socket type
(Gold plated)
Hyper page (EDO)
MC-421000FA64
2M
∞
64
MC-422000AA64
72
Fast page
MC-422000FA64
1M
∞
72
(ECC)
2M
∞
72
(ECC)
MC-421000AD72
Hyper page (EDO)
70
Fast page
MC-422000AB72
73
MC-422000FB72
MC-422000LAB72
Hyper page (EDO)
14
3.3±0.3
Fast page
MC-422000LFB72
4M
∞
72
(ECC)
MC-424000AB72
Hyper page (EDO)
82
5.0±0.25
Fast page
MC-424000AC72
MC-424000FB72
5
MC-424000FC72
MC-424000LAB72
2K/32
4K/64
2K/32
Hyper page (EDO)
19
3.3±0.3
Fast page
MC-424000LAC72
MC-424000LFB72
5
MC-424000LFC72
4K/64
2K/32
4K/64
Hyper page (EDO)
Under development
73