EO
Description
Features
HM51W16165 Series
HM51W18165 Series
16 M EDO DRAM (1-Mword
×
16-bit)
4 k Refresh/1 k Refresh
The HM51W16165 Series, HM51W18165 Series are CMOS dynamic RAMs organized as 1,048,576-word
×
16-bit. They employ the most advanced CMOS technology for high performance and low power.
HM51W16165 Series, HM51W18165 Series offer Extended Data Out (EDO) Page Mode as a high speed
access mode. They have package variations of standard 400-mil 42-pin plastic SOJ and 400-mil 50-pin
plastic TSOP.
•
Single 3.3 V (±0.3 V)
•
Access time: 50 ns/60 ns/70 ns (max)
•
Power dissipation
Active mode : 396 mW/360mW/324 mW (max) (HM51W16165 Series)
: 684 mW /612 mW /540 mW (max) (HM51W18165 Series)
Standby mode : 7.2 mW (max)
: 0.54 mW (max) (L-version)
•
EDO page mode capability
•
Refresh cycles
4096 refresh cycles : 64 ms (HM51W16165 Series)
: 128 ms (L-version)
1024 refresh cycles : 16 ms (HM51W18165 Series)
: 128 ms (L-version)
•
4 variations of refresh
RAS-only
refresh
CAS-before-RAS
refresh
Hidden refresh
Self refresh (L-version)
•
2CAS-byte control
Elpida Memory, Inc. is a joint venture DRAM company of NEC Corporation and Hitachi, Ltd.
LP
E0153H10 (Ver. 1.0)
(Previous ADE-203-650D (Z))
Jul. 6, 2001 (K)
ro
du
ct
HM51W16165 Series, HM51W18165 Series
•
Battery backup operation (L-version)
EO
Type No.
HM51W16165J-5
HM51W16165J-6
HM51W16165J-7
HM51W16165LJ-5
HM51W16165LJ-6
HM51W16165LJ-7
HM51W18165J-5
HM51W18165J-6
HM51W18165J-7
HM51W18165LJ-5
HM51W18165LJ-6
HM51W18165LJ-7
HM51W16165TT-5
HM51W16165TT-6
HM51W16165TT-7
HM51W18165TT-5
HM51W18165TT-6
HM51W18165TT-7
2
Ordering Information
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
Package
400-mil 42-pin plastic SOJ (CP-42D)
HM51W16165LTT-5
HM51W16165LTT-6
HM51W16165LTT-7
HM51W18165LTT-5
HM51W18165LTT-6
HM51W18165LTT-7
LP
Data Sheet E0153H10
400-mil 50-pin plastic TSOP II (TTP-50/44DC)
ro
du
ct
HM51W16165 Series, HM51W18165 Series
EO
V
CC
I/O0
I/O1
I/O2
I/O3
V
CC
I/O4
I/O5
I/O6
I/O7
NC
NC
WE
RAS
A11
A10
A0
A1
A2
A3
V
CC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Pin Arrangement
HM51W16165J/LJ Series
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
HM51W16165TT/LTT Series
V
CC
I/O0
I/O1
I/O2
I/O3
V
CC
I/O4
I/O5
I/O6
I/O7
NC
1
2
3
4
5
6
7
8
9
10
11
50
49
48
47
46
45
44
43
42
41
40
V
SS
I/O15
I/O14
I/O13
I/O12
V
SS
I/O11
I/O10
I/O9
I/O8
NC
V
SS
I/O15
I/O14
I/O13
I/O12
V
SS
I/O11
I/O10
I/O9
I/O8
NC
LCAS
UCAS
OE
A9
A8
A7
A6
A5
A4
V
SS
Pin Description
Pin name
A0 to A11
Function
Address input
— Row/Refresh address A0 to A11
— Column address
A0 to A7
Data input/Data output
Row address strobe
Column address strobe
Read/Write enable
Output enable
Power supply
Ground
No connection
LP
ro
(Top view)
Data Sheet E0153H10
NC
NC
WE
RAS
A11
A10
A0
A1
A2
A3
V
CC
15
16
17
18
19
20
21
22
23
24
25
(Top view)
36
35
34
33
32
31
30
29
28
27
26
NC
LCAS
UCAS
OE
A9
A8
A7
A6
A5
A4
V
SS
du
ct
3
I/O0 to I/O15
RAS
UCAS, LCAS
WE
OE
V
CC
V
SS
NC
HM51W16165 Series, HM51W18165 Series
Pin Arrangement
HM51W18165J/LJ Series
V
SS
I/O15
I/O14
I/O13
I/O12
V
SS
I/O11
I/O10
I/O9
I/O8
NC
LCAS
UCAS
OE
A9
A8
A7
A6
A5
A4
V
SS
EO
V
CC
I/O0
I/O1
I/O2
I/O3
V
CC
I/O4
I/O5
I/O6
I/O7
NC
NC
WE
RAS
NC
NC
A0
A1
A2
A3
V
CC
HM51W18165TT/LTT Series
V
CC
I/O0
I/O1
I/O2
I/O3
V
CC
I/O4
I/O5
I/O6
I/O7
NC
1
2
3
4
5
6
7
8
9
10
11
50
49
48
47
46
45
44
43
42
41
40
V
SS
I/O15
I/O14
I/O13
I/O12
V
SS
I/O11
I/O10
I/O9
I/O8
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
Pin Description
Pin name
A0 to A9
Function
Address input
— Row/Refresh address A0 to A9
— Column address
A0 to A9
Data input/Data output
Row address strobe
Column address strobe
Read/Write enable
Output enable
Power supply
Ground
No connection
LP
(Top view)
NC
NC
WE
RAS
NC
NC
A0
A1
A2
A3
V
CC
15
16
17
18
19
20
21
22
23
24
25
(Top view)
36
35
34
33
32
31
30
29
28
27
26
NC
LCAS
UCAS
OE
A9
A8
A7
A6
A5
A4
V
SS
ro
du
ct
I/O0 to I/O15
RAS
UCAS, LCAS
WE
OE
V
CC
V
SS
NC
Data Sheet E0153H10
4
嵌入式系统
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