HM5164165 Series
HM5165165 Series
64M EDO DRAM (4-Mword
×
16-bit)
8k refresh/4k refresh
ADE-203-802A(Z)
Preliminary
Rev. 0.1
Oct. 24, 1997
Description
The Hitachi HM5164165 Series, HM5165165 Series are 64M-bit dynamic RAMs organized as 4,194,304-
word
×
16-bit. They have realized high performance and low power by employing CMOS process technology.
HM5164165 Series, HM5165165 Series offer Extended Data Out (EDO) Page Mode as a high speed access
mode. They have the package variations of standard 50-pin plastic SOJ and standerd 50-pin plastic TSOPII
Features
•
Single 3.3 V supply: 3.3 V
±
0.3 V
•
Access time: 50 ns/60 ns (max)
•
Power dissipation
Active: 432 mW/396 mW (max) (HM5164165 Series)
: 504 mW/432 mW (max) (HM5165165 Series)
Standby : 1.8 mW (max) (CMOS interface)
: 0.54 mW (max) (L-version)
•
EDO page mode capability
•
Refresh cycles
RAS-only
refresh
8192 cycles /64 ms (HM5164165)
/128 ms (HM5164165L) (L-version)
4096 cycles /64 ms (HM5165165)
/128 ms (HM5165165L) (L-version)
CBR/Hidden refresh
4096 cycles /64 ms (HM5164165, HM5165165)
/128 ms (HM5164165L, HM5165165L) (L-version)
Preliminary: The Specifications of this device are subject to change without notice. Please contact to your
nearest Hitachi’s sales Dept. regarding specifications
HM5164165 Series, HM5165165 Series
•
4 variations of refresh
RAS-only
refresh
CAS-before-RAS
refresh
Hidden refresh
Self refresh (L-version)
•
2CAS-byte control
•
Battery backup operation (L-version)
Ordering Information
Type No.
HM5164165J-5*
HM5164165J-6*
HM5164165LJ-5*
HM5164165LJ-6*
HM5165165J-5*
HM5165165J-6*
HM5165165LJ-5*
HM5165165LJ-6*
HM5164165TT-5
HM5164165TT-6
HM5164165LTT-5
HM5164165LTT-6
HM5165165TT-5
HM5165165TT-6
HM5165165LTT-5
HM5165165LTT-6
Note: Under development.
Access time
50 ns
60 ns
50 ns
60 ns
50 ns
60 ns
50 ns
60 ns
50 ns
60 ns
50 ns
60 ns
50 ns
60 ns
50 ns
60 ns
400-mil 50-pin plastic TSOP II (TTP-50DB)
Package
400-mil 50-pin plastic SOJ (CP-50DA)
2