SM572088U7UDWBU
Preliminary
Revision History
• May 3, 2001
Modified datasheet.
• May 11, 2000
Added Command Truth Table, Mode Register Table and notes.
Modified waveforms ( Auto Refresh (CBR) cycle and Power Down Mode and Clock Mask).
• September 1, 1998
Preliminary 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
SM572088U7UDWBU
Preliminary
64MByte (8M x 72) CMOS Synchronous DRAM Module - 8Mx8 based
144-pin SODIMM, Unbuffered, ECC
Features
•
•
•
•
•
•
•
Standard
Configuration
Cycle Time
CAS# Latency
Burst Length
Burst Type
No. of Internal
Banks per SDRAM
• Operating Voltage
• Refresh
• Device Physicals
:
:
:
:
:
:
:
:
:
:
JEDEC
ECC
10/12/15ns
2&3
1, 2, 4, 8 or Page
Linear/Interleave
2/4
3.3V
4K/8K
400mil TSOP
•
•
•
•
Lead Finish
:
Gold
Length x Height
:
67.60mm x 34.29mm
No. of sides
:
Double-sided
Mating Connector (Examples)
Horizontal
:
AMP-316310-1
Functional Diagram
DQMB3
DQMB2
DQMB0
DQMB1
CLK0
CKE0
CS0#
WE#
RAS#
CAS#
DQMB4
DQMB5
DQMB6
DQMB7
CLK1
8Mx24
Block
8Mx16
Block
8Mx16
Block
8Mx16
Block
CB0~CB7
DQ0~DQ15
DQ16~DQ31
DQ32~DQ47
DQ48~DQ63
DQ0~DQ63, CB0~CB7
Notes:
1. A0~A11 and BA0 to all SDRAMs.
2 A12/BA1 to all SDRAMs (See page 2 for details).
3. Data and CLKs are terminated using 10
Ω
series resistors.
4. A0~A2 of the serial PD EEPROM are grounded.
5. Each 8Mx16 Block comprises of two 8Mx8 SDRAMs and
8Mx24 block comprises of three 8Mx8 SDRAMs.
6. Refer to note on page 3 for details on DQM control scheme.
SCL
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
SM572088U7UDWBU
Preliminary
Pin Name
A0~A12
BA0, BA1
DQ0~DQ63, CB0~CB7
CLK0, CLK1
RAS#
CAS#
CKE0
DQMB0~DQMB7
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 controls DQ0~DQ7
DQMB1 controls DQ8~DQ15,
CB0~CB7
DQMB2 controls DQ16~DQ23
DQMB3 controls DQ24~DQ31
DQMB4 controls DQ32~DQ39
DQMB5 controls DQ40~DQ47
DQMB6 controls DQ48~DQ55
DQMB7 controls 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
CB0
CB1
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
CB4
CB5
CKE0
V
CC
CAS#
NC
A12 (Note 2)
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
CB2
CB3
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
CB6
CB7
V
CC
DQ48
DQ49
DQ50
DQ51
V
SS
DQ52
DQ53
DQ54
DQ55
V
CC
A7
BA0
V
SS
BA1 (Note 3)
A11
V
CC
DQMB6
DQMB7
V
SS
DQ56
DQ57
DQ58
DQ59
V
CC
DQ60
DQ61
DQ62
DQ63
V
SS
SCL
V
CC
Addressing Scheme
2 Bank Devices
A0~A12 : Row Addresses
A0~A8 : Column Addresses
BA0
: Bank Select Address
4 Bank Devices
A0~A11 : Row Addresses
A0~A8 : Column Addresses
BA0, BA1 : Bank Select Addresses
Note :
1. A10/AP initiates Auto-precharge.
2. A12 is NC for 4 bank SDRAMs.
3. BA1 is NC for 2 bank SDRAMs.
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
SM572088U7UDWBU
Preliminary
DC Characteristics
Absolute Maximum Ratings
Parameter
Voltage on any pin relative to V
SS
Power Dissipation
Operating Temperature
Storage Temperature
Short Circuit Output Current
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
Symbol
V
T
P
T
T
opr
T
stg
I
OS
Ratings
- 1.0 to +4.6
9
0 to +70
- 55 to +150
50
Unit
V
W
°
C
°
C
mA
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 (DQMB1)
Input Capacitance (DQMB0, DQMB2~DQMB7)
Input/Output Capacitance (DQ0~DQ63, CB0~CB7)
Notes : Capacitance is sampled per Mil-Std-883.
Symbol
C
I1
C
I2
C
I3
C
I3
C
I/O
Max
55
35
20
15
17
Unit
pF
pF
pF
pF
pF
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
SM572088U7UDWBU
Preliminary
DC Characteristics (cont’d)
(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
2.4
-
-
0.4
V
V
10ns
12ns
Min Max Min Max
-90
90
-90
90
-10
10
-10
10
15ns
Min Max
-90
90
-10
10
Unit
µ
A
µA
(V
CC
= 3.3V±0.3V, V
SS
= 0V, T
A
= 0 to +70
°C)
Parameter
Operating Current
Symbol
I
CC1
Test Conditions
Burst Length = 1, t
CLK
= min.
t
RC
= min. One Bank Active
CKE =V
IL
, t
CLK
= min.
All Banks Idle
CKE =V
IH
, t
CLK
= min.
All Banks Idle
CKE =V
IL
, t
CLK
= min.
Any Bank Active
CKE =V
IH
, t
CLK
= min.
Any Bank Active
t
CLK
= min.
t
CLK
= min., t
RC
= min.
Auto Refresh
CKE =V
IL
10ns
720
18
180
45
225
1080
1530
18
Max.
12ns
675
18
180
45
225
1035
1395
18
Unit
15ns
630
18
180
45
225
765
1260
18
mA
mA
mA
mA
mA
mA
mA
mA
Note
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
Precharge Standby Current
I
CC2
Active Standby Current
I
CC3
Burst Mode Current
Refresh Current
Self Refresh Current
I
CC4
I
CC5
I
CC6
Notes:
1.
2.
3.
I
CC
depends on output load condition when the device is selected. I
CC
(max) is specified at the output open condition.
An initial pulse of 200
µs
is required after power-up followed by a minimum of eight Auto-Refresh-Cycles.
All currents are for 4 bank, 4K refresh SDRAMs.
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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