SM532083U7UF6BU
March 30, 2000
Revision History
• March 30, 2000
Added Command Truth Table, Mode Register Table and notes.
Modified waveforms ( Auto Refresh (CBR) cycle and Power Down Mode and Clock Mask).
• April 23, 1999
Modified DC specifications on page 5 and AC specifications on page 7.
• March 12, 1999
Added support for 8ns and deleted support for 12ns and 15ns.
• August 5, 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:
36 Linford Forum, Rockingham Dr., Linford Wood, Milton Keynes, MK14 6LY, UK • Tel: +44-1908 234030 • Fax: +44-1908-234191
Asia/Pacific:
Plot 18, Lrg Jelawat 4, Kawasan Perindustrian Seberang Jaya 13700, Prai, Penang, Malaysia • Tel: +604-3992909 • Fax: +604-3992903
1
SM532083U7UF6BU
March 30, 2000
32MByte (8M x 32) Synchronous DRAM Module - 4Mx16 based
100-pin DIMM, Unbuffered
Features
•
•
•
•
•
•
•
Standard
Configuration
Cycle Time
CAS# Latency
Burst Length
Burst Type
No. of Internal
Banks per SDRAM
:
:
:
:
:
:
:
JEDEC
Non-ECC
8/10ns
2&3
1, 2, 4, 8 or Page
Linear/Interleave
2/4
•
•
•
•
•
•
•
Operating Voltage :
3.3V
Refresh
:
4K/8K
Device Physicals
:
400mil TSOP
Lead Finish
:
Gold
Length x Height
:
90.19mm x 25.40mm
No. of sides
:
Double-sided
Mating Connector (Examples)
Vertical
:
AMP-390070-6 (3.3V, Gold)
Functional Diagram
DQMB1
DQMB0
CS0#
CLK0
CKE0
RAS#
CAS#
WE#
DQMB2
DQMB3
CS2#
4Mx16
SDRAM
4Mx16
SDRAM
CLK1
CKE1
CS1#
4Mx16
SDRAM
4Mx16
SDRAM
CS3#
DQ0~DQ15
DQ16~DQ31
DQ0~DQ31
Notes
1.
2.
3.
5.
6.
SA0~SA2
:
SCL
A0~A11 and BA0 to all SDRAMs.
A12/BA1 to all SDRAMs (See page 2 for details).
Data is terminated using 10Ω series resistors.
CLK signals are terminated with series resistors and/or
padding capacitors depending on load per clock.
Refer to note on page 2 for details on DQM control scheme.
A0~A2
SCL
SDA
SERIAL PD
EEPROM
SDA
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:
36 Linford Forum, Rockingham Dr., Linford Wood, Milton Keynes, MK14 6LY, UK • Tel: +44-1908 234030 • Fax: +44-1908-234191
Asia/Pacific:
Plot 18, Lrg Jelawat 4, Kawasan Perindustrian Seberang Jaya 13700, Prai, Penang, Malaysia • Tel: +604-3992909 • Fax: +604-3992903
2
SM532083U7UF6BU
March 30, 2000
Pin Name
A0~A12
BA0, BA1
DQ0~DQ31
CLK0, CLK1
RAS#
CAS#
CKE0, CKE1
DQMB0~DQMB3
Addresses
Bank Select Address
Data Inputs/Outputs
Clock Inputs
Row Address Strobe
Column Address Strobe
Clock Enable
DQ Mask Enables
CS0#~CS3#
WE#
SA0~SA2
SDA
SCL
V
CC
V
SS
NC
Chip Selects
Write Enable
Decode Inputs
Serial Data Input/Output
Serial Clock
Power Supply
Ground
No Connection
Note:
DQMs v/s Data I/Os
DQMB0 controls
DQMB1 controls
DQMB2 controls
DQMB3 controls
DQ0~DQ7
DQ8~DQ15
DQ16~DQ23
DQ24~DQ31
Pin
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Pin
Designation
V
SS
DQ0
DQ1
DQ2
DQ3
V
CC
DQ4
DQ5
DQ6
DQ7
DQMB0
V
SS
A0
A2
A4
A6
A8
A10/AP (Note1)
BA1 (Note 2)
A12 (Note 3)
V
CC
NC
NC
NC
CLK0
Pin
No.
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Pin
Designation
V
SS
CKE0
WE#
CS0#
CS2#
V
CC
NC
NC
NC
NC
V
SS
DQMB2
DQ16
DQ17
DQ18
DQ19
V
CC
DQ20
DQ21
DQ22
DQ23
V
SS
SDA
SCL
V
CC
Pin
No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
Pin
Designation
V
SS
DQ8
DQ9
DQ10
DQ11
V
DD
DQ12
DQ13
DQ14
DQ15
DQMB1
V
SS
A1
A3
A5
A7
A9
BA0
A11
NC
V
CC
RAS#
CAS#
NC
CLK1
Pin
No.
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Pin
Designation
V
SS
CKE1
NC
CS1#
CS3#
V
CC
NC
NC
NC
NC
V
SS
DQMB3
DQ24
DQ25
DQ26
DQ27
V
CC
DQ28
DQ29
DQ30
DQ31
V
SS
SA0
SA1
SA2
Addressing Scheme
2 Bank SDRAMs
A0~A12 : Row Addresses
A0~A7 : Column Addresses
BA0
: Bank Select
Address
4 Bank SDRAMs
A0~A11 : Row Addresses
A0~A7 : Column Addresses
BA0, BA1: Bank Select
Addresses
Note :
1. A10/AP initiates Auto-precharge.
2. BA1 is NC for 2 bank SDRAMs.
3. A12 is NC for 4 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:
36 Linford Forum, Rockingham Dr., Linford Wood, Milton Keynes, MK14 6LY, UK • Tel: +44-1908 234030 • Fax: +44-1908-234191
Asia/Pacific:
Plot 18, Lrg Jelawat 4, Kawasan Perindustrian Seberang Jaya 13700, Prai, Penang, Malaysia • Tel: +604-3992909 • Fax: +604-3992903
3
SM532083U7UF6BU
March 30, 2000
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
- 0.5 to +4.6
4
0 to +70
- 55 to +125
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
+0.5
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:
36 Linford Forum, Rockingham Dr., Linford Wood, Milton Keynes, MK14 6LY, UK • Tel: +44-1908 234030 • Fax: +44-1908-234191
Asia/Pacific:
Plot 18, Lrg Jelawat 4, Kawasan Perindustrian Seberang Jaya 13700, Prai, Penang, Malaysia • Tel: +604-3992909 • Fax: +604-3992903
4
SM532083U7UF6BU
March 30, 2000
DC Characteristics (cont’d)
Capacitance
(V
CC
= 3.3V±0.3V, T
A
= +25°C)
Parameter
Input Capacitance (Address, WE#, RAS#, CAS#, DQMBs)
Input Capacitance (CS#)
Input Capacitance (CLKs, CKE)
Input/Output Capacitance (DQ0~DQ31)
Notes : Capacitance is sampled per Mil-Std-883.
Symbol
C
I1
C
I2
C
I3
C
I/O
Max
30
15
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
-4
-3
8ns
Max
4
3
10ns
Min
Max
-4
4
-3
3
Unit
µA
µA
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:
36 Linford Forum, Rockingham Dr., Linford Wood, Milton Keynes, MK14 6LY, UK • Tel: +44-1908 234030 • Fax: +44-1908-234191
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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