SM564328574N9BU
May 3, 2001
Revision History
• May 3, 2001
Modified datasheet.
• May 9, 2000
Added Command Truth Table, Mode Register Table and notes.
Modified waveforms ( Auto Refresh (CBR) cycle and Power Down Mode and Clock Mask).
• October 15, 1998
Datasheet released.
C
orporate Headquarters:
P. O. Box 1757, Fremont, CA 94538, USA • Tel:(510) 623-1231 • Fax:(510) 623-1434 • E-mail: info@smartm.com
Europe:
Unit 5, Herriard Business Park, Herriard, Basingstoke, Hampshire, RG25 2PN, UK • Tel: +44-870-870-8747 • Fax: +44-870-870-8757
Asia/Pacific:
Plot 18, Lrg Jelawat 4, Kawasan Perindustrian Seberang Jaya 13700, Prai, Penang, Malaysia • Tel: +604-3992909 • Fax: +604-3992903
1
SM564328574N9BU
May 3, 2001
256MByte (32M x 64) CMOS SDRAM Module - 32Mx8 based ( Stacked, two 32Mx4)
144-pin DIMM, Unbuffered
Features
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Standard
:
JEDEC Pinout
Configuration
:
Non-parity
Cycle Time
:
8/10ns
CAS# Latency
:
2&3
Burst Length
:
1, 2, 4, 8 or Page
Burst Type
:
Linear/Interleave
No. of Internal
Banks per SDRAM :
4
Operating Voltage :
3.3V
Refresh
:
4K
Device Physicals
:
Stacked
Lead Finish
:
Gold
Length x Height
:
67.60mm x 33.02mm
No. of sides
:
Double-sided
Mating Connector (Examples)
Horizontal
:
AMP-390113-1
Functional Diagram
DQMB2
DQMB3
DQMB0
DQMB1
CLK0
CKE0
CS0#
WE#
RAS#
CAS#
DQMB4
DQMB5
DQMB6
DQMB7
CLK1
32Mx16
Block
32Mx16
Block
32Mx16
Block
32Mx16
Block
DQ0~DQ15
DQ16~DQ31
DQ32~DQ47
DQ48~DQ63
DQ0~DQ63
SCL
Notes:
1. A0~A11, BA0 and BA1 to all SDRAMs..
2. CLKs are terminated using 10
Ω
series resistors.
3. A0~A2 of the serial PD EEPROM are grounded.
4. Refer to note on page 3 for details on DQM control scheme.
5. Each 32Mx16 Block comprises of two 32Mx8 Stacked SDRAMs.
SCL
SDA
SDA
SERIAL PD
EEPROM
V
CC
V
SS
Decoupling capacitors
to all devices.
( All specifications of this device are subject to change without notice.)
C
orporate Headquarters:
P. O. Box 1757, Fremont, CA 94538, USA • Tel:(510) 623-1231 • Fax:(510) 623-1434 • E-mail: info@smartm.com
Europe:
Unit 5, Herriard Business Park, Herriard, Basingstoke, Hampshire, RG25 2PN, UK • Tel: +44-870-870-8747 • Fax: +44-870-870-8757
Asia/Pacific:
Plot 18, Lrg Jelawat 4, Kawasan Perindustrian Seberang Jaya 13700, Prai, Penang, Malaysia • Tel: +604-3992909 • Fax: +604-3992903
2
SM564328574N9BU
May 3, 2001
Pin Name
A0~A11
A0~A9, A11
BA0, BA1
DQ0~DQ63
CLK0, CLK1
RAS#
CAS#
CKE0
DQMB0~DQMB7
Row Addresses
Column Addresses
Bank Select Addresses
Data Inputs/Outputs
Clock Inputs
Row Address Strobe
Column Address Strobe
Clock Enable
DQ Mask Enables
CS0#
WE#
SDA
SCL
V
CC
V
SS
NC
Chip Select
Write Enable
Serial Data Input/Output
Serial Clock
Power Supply
Ground
No Connection
Note:
DQMs v/s Data I/Os
DQMB0
DQMB1
DQMB2
DQMB3
DQMB4
DQMB5
DQMB6
DQMB7
controls
controls
controls
controls
controls
controls
controls
controls
DQ0~DQ7
DQ8~DQ15
DQ16~DQ23
DQ24~DQ31
DQ32~DQ39
DQ40~DQ47
DQ48~DQ55
DQ56~DQ63
Pin
No.
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
71
Pin
Designation
V
SS
DQ0
DQ1
DQ2
DQ3
V
CC
DQ4
DQ5
DQ6
DQ7
V
SS
DQMB0
DQMB1
V
CC
A0
A1
A2
V
SS
DQ8
DQ9
DQ10
DQ11
V
CC
DQ12
DQ13
DQ14
DQ15
V
SS
NC
NC
CLK0
V
CC
RAS#
WE#
CS0#
NC
Pin
No.
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
Pin
Designation
V
SS
DQ32
DQ33
DQ34
DQ35
V
CC
DQ36
DQ37
DQ38
DQ39
V
SS
DQMB4
DQMB5
V
CC
A3
A4
A5
V
SS
DQ40
DQ41
DQ42
DQ43
V
CC
DQ44
DQ45
DQ46
DQ47
V
SS
NC
NC
CKE0
V
CC
CAS#
NC
NC
NC
Pin
No.
73
75
77
79
81
83
85
87
89
91
93
95
97
99
101
103
105
107
109
111
113
115
117
119
121
123
125
127
129
131
133
135
137
139
141
143
Pin
Designation
NC
V
SS
NC
NC
V
CC
DQ16
DQ17
DQ18
DQ19
V
SS
DQ20
DQ21
DQ22
DQ23
V
CC
A6
A8
V
SS
A9
A10/AP (Note1)
V
CC
DQMB2
DQMB3
V
SS
DQ24
DQ25
DQ26
DQ27
V
CC
DQ28
DQ29
DQ30
DQ31
V
SS
SDA
V
CC
Pin
No.
74
76
78
80
82
84
86
88
90
92
94
96
98
100
102
104
106
108
110
112
114
116
118
120
122
124
126
128
130
132
134
136
138
140
142
144
Pin
Designation
CLK1
V
SS
NC
NC
V
CC
DQ48
DQ49
DQ50
DQ51
V
SS
DQ52
DQ53
DQ54
DQ55
V
CC
A7
BA0
V
SS
BA1
A11
V
CC
DQMB6
DQMB7
V
SS
DQ56
DQ57
DQ58
DQ59
V
CC
DQ60
DQ61
DQ62
DQ63
V
SS
SCL
V
CC
Note :
1. A10/AP initiates Auto-precharge.
C
orporate Headquarters:
P. O. Box 1757, Fremont, CA 94538, USA • Tel:(510) 623-1231 • Fax:(510) 623-1434 • E-mail: info@smartm.com
Europe:
Unit 5, Herriard Business Park, Herriard, Basingstoke, Hampshire, RG25 2PN, UK • Tel: +44-870-870-8747 • Fax: +44-870-870-8757
Asia/Pacific:
Plot 18, Lrg Jelawat 4, Kawasan Perindustrian Seberang Jaya 13700, Prai, Penang, Malaysia • Tel: +604-3992909 • Fax: +604-3992903
3
SM564328574N9BU
May 3, 2001
DC Characteristics
Absolute Maximum Ratings
Parameter
Voltage on any pin relative to V
SS
Power Dissipation
Operating Temperature
Storage Temperature
Short Circuit Output Current
Symbol
V
T
P
T
T
opr
T
stg
I
OS
Ratings
- 1.0 to +4.6
16
0 to +70
- 55 to +150
50
Unit
V
W
°
C
°
C
mA
Recommended DC Operating Conditions
(T
A
= 0 to +70
°
C)
Parameter
Supply Voltage
Ground
Input High Voltage
Input Low Voltage
Symbol
V
CC
V
SS
V
IH
V
IL
Min
3.0
0
2.0
-0.3
Typ
3.3
0
-
-
Max
3.6
0
V
CC
+0.3
0.8
Unit
V
V
V
V
C
orporate Headquarters:
P. O. Box 1757, Fremont, CA 94538, USA • Tel:(510) 623-1231 • Fax:(510) 623-1434 • E-mail: info@smartm.com
Europe:
Unit 5, Herriard Business Park, Herriard, Basingstoke, Hampshire, RG25 2PN, UK • Tel: +44-870-870-8747 • Fax: +44-870-870-8757
Asia/Pacific:
Plot 18, Lrg Jelawat 4, Kawasan Perindustrian Seberang Jaya 13700, Prai, Penang, Malaysia • Tel: +604-3992909 • Fax: +604-3992903
4
SM564328574N9BU
May 3, 2001
DC Characteristics (cont’d)
Capacitance
(V
CC
= 3.3V
±
0.3V, T
A
= +25
°
C)
Parameter
Input Capacitance (Address, WE#, RAS#, CAS#, CKE0, CS0#)
Input Capacitance (CLK0, CLK1)
Input Capacitance (DQMB0~DQMB7)
Input/Output Capacitance (DQ0~DQ63)
Notes : Capacitance is sampled per Mil-Std-883.
Symbol
C
I1
C
I2
C
I3
C
I/O
Max
90
35
20
24
Unit
pF
pF
pF
pF
(V
CC
= 3.3V
±
0.3V, V
SS
= 0V, T
A
= 0 to +70
°
C)
Parameter
Input Leakage Current
Output Leakage Current
Output High Voltage
Output Low Voltage
Symbol
I
LI
I
LO
V
OH
V
OL
Test Conditions
0V
≤
V
in
≤
V
CC
+0.3V
0V
≤
V
out
≤
V
CC
D
out
= Disable
High I
out
= -2mA
Low I
out
= 2mA
2.4
-
-
0.4
2.4
-
-
0.4
V
V
Min
-80
-10
8ns
Max
80
10
Min
-80
-10
10ns
Max
80
10
Unit
µ
A
µ
A
C
orporate Headquarters:
P. O. Box 1757, Fremont, CA 94538, USA • Tel:(510) 623-1231 • Fax:(510) 623-1434 • E-mail: info@smartm.com
Europe:
Unit 5, Herriard Business Park, Herriard, Basingstoke, Hampshire, RG25 2PN, UK • Tel: +44-870-870-8747 • Fax: +44-870-870-8757
Asia/Pacific:
Plot 18, Lrg Jelawat 4, Kawasan Perindustrian Seberang Jaya 13700, Prai, Penang, Malaysia • Tel: +604-3992909 • Fax: +604-3992903
5
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