HM51W16160 Series
HM51W18160 Series
1048576-word
×
16-bit Dynamic RAM
ADE-203-635C (Z)
Rev. 3.0
Feb. 21, 1997
Description
The Hitachi HM51W16160 Series, HM51W18160 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.
The HM51W16160 Series, HM51W18160 Series offer Fast Page Mode as a high speed access mode. They
have package variations of 42-pin plastic SOJ and 50-pin plastic TSOP
II
Features
•
•
•
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) (HM51W16160 Series)
684 mW/612 mW/540 mW (max) (HM51W18160 Series)
Standby mode : 7.2 mW (max)
: 0.54 mW (max) (L-version)
Fast page mode capability
Refresh cycles
4096 refresh cycles : 64 ms (HM51W16160 Series)
: 128 ms (L-version)
1024 refresh cycles : 16 ms (HM51W18160 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
Battery backup operation (L-version)
•
•
•
•
•
HM51W16160 Series, HM51W18160 Series
Ordering Information
Type No.
HM51W16160J-5
HM51W16160J-6
HM51W16160J-7
HM51W16160LJ-5
HM51W16160LJ-6
HM51W16160LJ-7
HM51W18160J-5
HM51W18160J-6
HM51W18160J-7
HM51W18160LJ-5
HM51W18160LJ-6
HM51W18160LJ-7
HM51W16160TT-5
HM51W16160TT-6
HM51W16160TT-7
HM51W16160LTT-5
HM51W16160LTT-6
HM51W16160LTT-7
HM51W18160TT-5
HM51W18160TT-6
HM51W18160TT-7
HM51W18160LTT-5
HM51W18160LTT-6
HM51W18160LTT-7
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
400-mil 50-pin plastic TSOP II (TTP-50/44DC)
Package
400-mil 42-pin plastic SOJ (CP-42D)
2
HM51W16160 Series, HM51W18160 Series
Pin Arrangement
HM51W16160J/LJ Series
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
(Top view)
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
HM51W16160TT/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
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
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
I/O0 to I/O15
RAS
UCAS, LCAS
WE
OE
V
CC
V
SS
NC
3
HM51W16160 Series, HM51W18160 Series
Pin Arrangement
HM51W18160J/LJ Series
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
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
(Top view)
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
HM51W18160TT/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
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
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
I/O0 to I/O15
RAS
UCAS, LCAS
WE
OE
V
CC
V
SS
NC
4
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