HM51W17805 Series
16 M EDO DRAM (2-Mword
×
8-bit)
2 k Refresh
EO
Description
Features
E0155H10 (Ver. 1.0)
(Previous ADE-203-631D (Z))
Jun. 27, 2001
The HM51W 17805 is a C MOS dynamic R AM orga nized 2, 097,152-w ord
×
8-bit. It employs the most
adva nce d C MOS tec hnology for high per forma nce and low powe r. The HM51W 17805 off ers Extende d Da ta
Out (ED O) P age Mode as a high spee d ac ce ss mode. Multiplexe d addr ess input per mits the HM51W 17805 to
be packaged in standard 28-pin plastic SOJ and 28-pin TSOP.
•
Single 3.3 V (±0.3 V)
•
Access time: 50 ns/60 ns/70 ns (max)
•
Power dissipation
Active mode: 396 mW/360 mW/324 mW (max)
Standby mode : 7.2 mW (max)
: 0.54 mW (max) (L-version)
•
EDO page mode capability
•
Long refresh period
2048 refresh cycles : 32 ms
: 128 ms (L-version)
•
4 variations of refresh
RAS-only
refresh
CAS-before-RAS
refresh
Hidden refresh
Self refresh (L-version)
•
Battery backup operation (L-version)
Elpida Memory, Inc. is a joint venture DRAM company of NEC Corporation and Hitachi, Ltd.
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HM51W17805 Series
Ordering Information
Type No.
Access time
50 ns
60 ns
70 ns
50 ns
60 ns
70 ns
50 ns
60 ns
70 ns
50 ns
60 ns
70 ns
50 ns
60 ns
70 ns
50 ns
60 ns
70 ns
50 ns
60 ns
70 ns
50 ns
60 ns
70 ns
300-mil 28-pin plastic TSOP II (TTP-28DB)
400-mil 28-pin plastic TSOP II (TTP-28DA)
300-mil 28-pin plastic SOJ (CP-28DNA)
Package
400-mil 28-pin plastic SOJ (CP-28DA)
HM51W17805J-5
HM51W17805J-6
HM51W17805J-7
EO
HM51W17805LJ-5
HM51W17805LJ -6
HM51W17805LJ -7
HM51W17805S-5
HM51W17805S-6
HM51W17805S-7
HM51W17805LS-5
HM51W17805LS-6
HM51W17805LS-7
HM51W17805TT-5
HM51W17805TT-6
HM51W17805TT-7
HM51W17805TS-5
HM51W17805TS-6
HM51W17805TS-7
2
HM51W17805LTT-5
HM51W17805LTT-6
HM51W17805LTT-7
HM51W17805LTS-5
HM51W17805LTS-6
HM51W17805LTS-7
LP
Data Sheet E0155H10
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HM51W17805 Series
EO
Parameter
Power dissipation
Parameter
Supply voltage
Input high voltage
Input low voltage
Note:
Absolute Maximum Ratings
Symbol
V
T
V
CC
Iout
P
T
Topr
Tstg
Value
–0.5 to V
CC
+ 0.5 (≤ 4.6 V (max))
–0.5 to +4.6
50
1.0
0 to +70
–55 to +125
Unit
V
V
mA
W
°C
°C
Voltage on any pin relative to V
SS
Supply voltage relative to V
SS
Short circuit output current
Operating temperature
Storage temperature
Recommended DC Operating Conditions
(Ta = 0 to +70°C)
Symbol
Min
3.0
2.0
–0.3
Typ
3.3
—
—
Max
3.6
V
CC
+ 0.3
0.8
Unit
V
V
V
Note
1
1
1
V
CC
V
IH
V
IL
1. All voltage referred to V
SS
.
LP
Data Sheet E0155H10
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