SM5723285D4E0UU
May 2, 2000
Revision History
• May 2, 2000
Modified AC characteristics on page 8.
• April 19, 2000
Modified page 10.
• April 13, 2000
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
SM5723285D4E0UU
May 2, 2000
256MByte (32M x 72) DDR Synchronous DRAM Module - 16Mx8 based
184-pin DIMM, Registered, ECC
Features
•
•
•
•
•
•
•
Standard
Configuration
Cycle Time
CAS# Latency
Burst Length
Burst Type
No. of Internal
Banks per SDRAM
:
:
:
:
:
:
:
JEDEC
ECC
7.5/10ns
3 & 3.5
2, 4, 8
Sequential/Interleave
4
Features
•
•
•
•
•
•
•
Operating Voltage :
2.5V
Refresh
:
4K
Device Physicals
:
400mil TSOP
Lead Finish
:
Gold
Length x Height
:
133.37mm x 43.18mm
No. of sides
:
Double-sided
Mating Connector (Examples)
Vertical
:
Functional Diagram
RESET#
DQS0~DQS8
DM0~DM8
R
E
G
RDQS0~RDQS8
RDM0~RDM8
CS0#
CKE0
WE#
RAS#
CAS#
I
S
T
E
R
16Mx16
Block
16Mx24
Block
16Mx16
Block
16Mx16
Block
CS1#
CKE1
V
REF
S
16Mx16
Block
16Mx24
Block
16Mx16
Block
16Mx16
Block
DQ0~DQ15
CB0~CB7
DQ16~DQ31
DQ32~DQ47
DQ48~DQ63
DQ0~DQ63, CB0~CB7
CK0
CK0#
PLL
Clock
Buffer
Feedback
PCK0~PCK9
PCK0#~PCK9
(To all SDRAMs
& Register)
SA0~SA2
SCL
A0~A2 V
DD
SCL
SDA
SERIAL PD
EEPROM
V
DDSPD
SDA
Notes:
1. A0~A11, BA0 and BA1 to all DDR SDRAMs through the registers.
2. All DQ & DQS signals have 18Ω series termination.
3. V
DDID
strap connections (for memory device V
DD
, V
DDQ
):
Strap Out (OPEN): V
DD
= V
DDQ,
Strap In (VSS): V
DD
≠
V
DDQ
.
4. Each 16Mx16 Block comprises of two 16Mx8 DDR SDRAMs,
each 16Mx24 Block comprises of three 16Mx8 DDR SDRAMs.
V
DD,
V
DDQ,
V
REF
V
DDID
V
SS
~
Strap: see note 3
( All specifications of this device are subject to change without notice.)
Decoupling capacitors
to all devices.
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
SM5723285D4E0UU
May 2, 2000
Pin Name
A0~A11
A0~A9
BA0, BA1
DQ0~DQ63, CB0~CB7
CK0, CK0#
RAS#
CAS#
CKE0, CKE1
DQS0~DQS8
DM0~DM8
CS0#, CS1#
WE#
Row Addresses
Column Addresses
Bank Select Addresses
Data Inputs/Outputs
Clock Inputs
Row Address Strobes
Column Address Strobes
Clock Enable
DQ Data Strobes
Data Mask Inputs
Chip Selects
Write Enable
SA0~SA2
SDA
SCL
V
DD
V
DDID
V
DDQ
V
SS
V
REF
V
DDSPD
RESET#
SPD Decode Inputs
Serial Data Input/Output
Serial Clock
Power Supply
V
DD
Identification flag
I/O Driver Positive Power Supply
Ground
I/O Reference Supply
Serial EEPROM positive Power Supply (3.3V)
Reset Pin for Registers
Note:
RDQSs/RDMs v/s Data I/Os
RDQS0/RDM0
controls DQ0~DQ7
RDQS1/RDM1
controls DQ8~DQ15
RDQS2/RDM2
controls DQ16~DQ23
RDQS3/RDM3
controls DQ24~DQ31
RDQS4/RDM4
controls DQ32~DQ39
RDQS5/RDM5
controls DQ40~DQ47
RDQS6/RDM6
controls DQ48~DQ55
RDQS7/RDM7
controls DQ56~DQ63
RDQS8/RDM8
controls CB0~CB7
Pin Pin
Pin Pin
Pin Pin
Pin Pin
Pin Pin
No. Designation No. Designation No. Designation No. Designation No. Designation
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
26
27
28
29
30
31
32
33
34
35
36
37
V
REF
DQ0
V
SS
DQ1
DQS0
DQ2
V
DD
DQ3
NC
RESET#
V
SS
DQ8
DQ9
DQS1
V
DDQ
NC
NC
V
SS
DQ10
DQ11
CKE0
V
DDQ
DQ16
DQ17
DQS2
V
SS
A9
DQ18
A7
V
DDQ
DQ19
A5
DQ24
V
SS
DQ25
DQS3
A4
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
V
DD
DQ26
DQ27
A2
V
SS
A1
CB0
CB1
V
DD
DQS8
A0
CB2
V
SS
CB3
BA1
DQ32
V
DDQ
DQ33
DQS4
DQ34
V
SS
BA0
DQ35
DQ40
V
DDQ
WE#
DQ41
CAS#
V
SS
DQS5
DQ42
DQ43
V
DD
NC
DQ48
DQ49
V
SS
75
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
101
102
103
104
105
106
107
108
109
110
111
NC
NC
V
DDQ
DQS6
DQ50
DQ51
V
SS
V
DDID
DQ56
DQ57
V
DD
DQS7
DQ58
DQ59
V
SS
NC
SDA
SCL
V
SS
DQ4
DQ5
V
DDQ
DM0
DQ6
DQ7
V
SS
NC
NC
NC
V
DDQ
DQ12
DQ13
DM1
V
DD
DQ14
DQ15
CKE1
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
V
DDQ
NC
DQ20
A12
V
SS
DQ21
A11
DM2
V
DD
DQ22
A8
DQ23
V
SS
A6
DQ28
DQ29
V
DDQ
DM3
A3
DQ30
V
SS
DQ31
CB4
CB5
V
DDQ
CK0
CK0#
V
SS
DM8
A10
CB6
V
DDQ
CB7
V
SS
DQ36
DQ37
V
DD
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
DM4
DQ38
DQ39
V
SS
DQ44
RAS#
DQ45
V
DDQ
CS0#
CS1#
DM5
V
SS
DQ46
DQ47
NC
V
DDQ
DQ52
DQ53
NC
V
DD
DM6
DQ54
DQ55
V
DDQ
NC
DQ60
DQ61
V
SS
DM7
DQ62
DQ63
V
DDQ
SA0
SA1
SA2
V
DDSPD
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:
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
SM5723285D4E0UU
May 2, 2000
DC Characteristics
Absolute Maximum Ratings
Parameter
Voltage on any pin relative to V
SS
Voltage on V
DD
relative to V
SS
Voltage on V
DDQ
relative to V
SS
Power Dissipation
Operating Temperature
Storage Temperature
Short Circuit Output Current
Symbol
V
IN,
V
OUT
V
DD
V
DDQ
P
T
T
opr
T
stg
I
OS
Ratings
- 1.0 ~ 3.6
- 1.0 ~ 3.6
- 1.0 ~ 3.6
21
0 to +70
- 55 to +150
50
Unit
V
V
V
W
°C
°C
mA
Recommended DC Operating Conditions
(T
A
= 0 to +70°C)
Parameter
Supply Voltage
Input Voltage Level, CK and CK#
Input Differential Voltage, CK and CK#
Ground
Input High Voltage
Input Low Voltage
I/O Supply Voltage
I/O Reference Voltage
Symbol
V
DD
V
IN(DC)
V
ID(DC)
V
SS
V
IH(DC)
V
IL(DC)
V
DDQ
V
REF
Min
2.3
-0.3
0.36
0
V
REF
+ 0.15
-0.3
2.3
1.127
Typ
2.5
-
-
0
-
-
2.5
-
Max
2.7
V
DDQ
+ 0.3
V
DDQ
+ 0.6
0
V
DDQ
+ 0.3
V
REF
- 0.15
2.7
1.377
Unit
V
V
V
V
V
V
V
V
Notes:
1. V
REF
is expected to track variation in V
DDQ
. V
REF
= 0.5 x V
DDQ
.
2. Peak to peak noise on V
REF
may not exceed 2% V
REF.
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
SM5723285D4E0UU
May 2, 2000
DC Characteristics (cont’d)
Capacitance
(V
DD
= 2.5V±0.2V, T
A
= +25°C, f = 1MHz)
Parameter
Input Capacitance (Address, WE#, RAS#, CAS#)
Input Capacitance (CS0#, CS1#, CKE0, CKE1)
Input Capacitance (CLK0~CLK2, CLK0#~CLK2#)
Input Capacitance (DM0~DM8, DQS0~DQS8)
Input/Output Capacitance (DQ0~DQ63, CB0~CB7)
Symbol
C
I1
C
I2
C
I3
C
I4
C
I/O
Max
100
50
35
25
25
Unit
pF
pF
pF
pF
pF
(V
DD
= 2.5V±0.2V, V
SS
= 0V, T
A
= 0 to +70 °C)
Parameter
Input Leakage Current
Output Leakage Current
Symbol
I
LI
I
LO
Test Conditions
0V
≤
V
in
≤
V
DD
+0.3V
0V
≤V
out
≤
V
DD
D
out
= Disable
Min
-4
-10
Max
4
10
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
stm32/stm8
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
