HM51W16160A Series
HM51W18160A Series
1048576-word
×
16-bit Dynamic Random Access Memory
ADE-203-217B (Z)
Rev. 2.0
Jul. 2, 1996
Description
The Hitachi HM51W16160A Series, HM51W18160A 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 HM51W16160A Series, HM51W18160A 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)
High speed
Access time: 60 ns/70 ns/80 ns (max)
Low power dissipation
Active mode
: 360 mW/324 mW/288 mW (max) (HM51W16160A Series)
: 612 mW/540 mW/468 mW (max) (HM51W18160A Series)
Standby mode
: 7.2 mW (max)
: 0.54 mW (max) (L-version)
Fast page mode capability
Long refresh period
4096 refresh cycles : 64 ms (HM51W16160A Series)
: 128 ms (L-version)
1024 refresh cycles : 16 ms (HM51W18160A Series)
: 128 ms (L-version)
•
•
This specification is fully compatible with the 16-Mbit DRAM specifications from TEXAS
INSTRUMENTS.
HM51W16160A Series, HM51W18160A 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.
HM51W16160AJ-6
HM51W16160AJ-7
HM51W16160AJ-8
HM51W16160ALJ-6
HM51W16160ALJ-7
HM51W16160ALJ-8
HM51W18160AJ-6
HM51W18160AJ-7
HM51W18160AJ-8
HM51W18160ALJ-6
HM51W18160ALJ-7
HM51W18160ALJ-8
HM51W16160ATT-6
HM51W16160ATT-7
HM51W16160ATT-8
HM51W16160ALTT-6
HM51W16160ALTT-7
HM51W16160ALTT-8
HM51W18160ATT-6
HM51W18160ATT-7
HM51W18160ATT-8
HM51W18160ALTT-6
HM51W18160ALTT-7
HM51W18160ALTT-8
Access time
60 ns
70 ns
80 ns
60 ns
70 ns
80 ns
60 ns
70 ns
80 ns
60 ns
70 ns
80 ns
60 ns
70 ns
80 ns
60 ns
70 ns
80 ns
60 ns
70 ns
80 ns
60 ns
70 ns
80 ns
400-mil 50-pin plastic TSOP II (TTP-50/44DC)
Package
400-mil 42-pin plastic SOJ (CP-42D)
2
HM51W16160A Series, HM51W18160A Series
Pin Arrangement
HM51W16160AJ/ALJ 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
HM51W16160ATT/ALTT 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
HM51W16160A Series, HM51W18160A Series
Pin Arrangement
HM51W18160AJ/ALJ 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
HM51W18160ATT/ALTT 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
HM51W16160A Series, HM51W18160A Series
Block Diagram
RAS
RAS
Control
Circuit
UCAS LCAS
CAS
Control
Circuit
WE
WE
Control
Circuit
OE
OE
Control
Circuit
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
I/O0
I/O1
I/O
buffer
I/O14
I/O15
Row
decoder
&
driver
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
Column decoder & driver
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
Column decoder & driver
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
I/O2
I/O3
I/O12
I/O13
Row
decoder
&
driver
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
I/O
buffer
I/O4
I/O
buffer
I/O5
I/O10
I/O11
Row
decoder
&
driver
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
Column decoder & driver
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
Column decoder & driver
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
I/O6
I/O7
I/O8
I/O9
Row
decoder
&
driver
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
256k memory cell array
Sense amp. & I/O bus
256k memory cell array
I/O
buffer
Column address buffer
Address : A0 to A7 : HM51W16160A
Address : A0 to A9 : HM51W18160A
Row address buffer
Address : A0 to A11 : HM51W16160A
Address : A0 to A9 : HM51W18160A
5
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