ETC WED3DG7232V-D1

WED3DG7232V-D1
White Electronic Designs
256MB- 32Mx72 SDRAM UNBUFFERED
FEATURES
DESCRIPTION
n
Burst Mode Operation
n
Auto and Self Refresh capability
n
LVTTL compatible inputs and outputs
n
Serial Presence Detect with EEPROM
n
Fully synchronous: All signals are registered on
the positive edge of the system clock
n
Programmable Burst Lengths: 1, 2, 4, 8 or Full
Page
n
3.3V ± 0.3V Power Supply
n
144 Pin SO-DIMM JEDEC
The WED3DG7232V is a 32Mx72 synchronous
DRAM module which consists of nine 32Mx8 SDRAM
components in TSOP II package, and one 2Kb EEPROM
in an 8 pin TSSOP package for Serial Presence Detect
which are mounted on a 144 pin SO-DIMM multilayer
FR4 Substrate.
*This product is subject to change without notice.
PIN NAMES
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
PIN
FRONT
PIN
BACK
PIN
FRONT
PIN
BACK
PIN
FRONT
PIN
BACK
1
VSS
2
VSS
49
DQ13
50
DQ45
97
DQ22
98
DQ54
3
DQ0
4
DQ32
51
DQ14
52
DQ46
99
DQ23
100
DQ55
5
DQ1
6
DQ33
53
DQ15
54
DQ47
101
VCC
102
VCC
7
DQ2
8
DQ34
55
VSS
56
VSS
103
A6
104
A7
9
DQ3
10
DQ35
57
CB0
58
CB4
105
A8
106
BA0
11
VCC
12
VCC
59
CB1
60
CB5
107
VSS
108
VSS
13
DQ4
14
DQ36
61
CLK0
62
CKE0
109
A9
110
BA1
15
DQ5
16
DQ37
63
VCC
64
VCC
111
A10
112
A11
17
DQ6
18
DQ38
65
RAS#
66
CAS#
113
VCC
114
VCC
19
DQ7
20
DQ39
67
WE#
68
NC
115
DQMB2
116
DQMB6
21
VSS
22
VSS
69
SO#
70
NC
117
DQMB3
118
DQMB7
23
DQMB0
24
DQB4
71
NC
72
NC
119
VSS
120
VSS
25
DQMB1
26
DQB5
73
NC
74
CLK1
121
DQ24
122
DQ56
27
VCC
28
VCC
75
VSS
76
VSS
123
DQ25
124
DQ57
29
A0
30
A3
77
CB2
78
CB6
125
DQ26
126
DQ58
31
A1
32
A4
79
CB3
80
CB7
127
DQ27
128
DQ59
33
A2
34
A5
81
VCC
82
VCC
129
VCC
130
VCC
35
VSS
36
VSS
83
DQ16
84
DQ48
131
DQ28
132
DQ60
37
DQ8
38
DQ40
85
DQ17
86
DQ49
133
DQ29
134
DQ61
39
DQ9
40
DQ41
87
DQ18
88
DQ50
135
DQ30
136
DQ62
41
DQ10
42
DQ42
89
DQ19
90
DQ51
137
DQ31
138
DQ63
43
DQ11
44
DQ43
91
VSS
92
VSS
139
VSS
140
VSS
45
VCC
46
VCC
93
DQ20
94
DQ52
141
SDA
142
SCL
47
DQ12
48
DQ44
95
DQ21
96
DQ53
143
VCC
144
VCC
A0 – A12
BA0-1
DQ0-63
CB0-7
CLK0,CLK1
CKE0
CS0
RAS#
CAS#
WE#
DQM0-7
VCC
VSS
SDA
SCL
DNU
NC
Address Input (Multiplexed)
Select Bank
Data Input/Output
Check Bit (Data-in/data-out)
Clock Input
Clock Enable Input
Chip Select Input
Row Address Strobe
Column Address Strobe
Write Enable
DQM
Power Supply (3.3V)
Ground
Serial Data I/O
Serial Clock
Do Not Use
No Connect
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
June 2003
Rev. 1
1
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
WED3DG7232V-D1
White Electronic Designs
FUNCTIONAL BLOCK DIAGRAM
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White Electronic Designs Corp. reserves the right to change products or specifications without notice.
June 2003
Rev. 1
2
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
WED3DG7232V-D1
White Electronic Designs
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Value
Units
Voltage on any pin relative to VSS
VIN, VOUT
-1.0 ~ 4.6
V
Voltage on VCC supply relative to VSS
VCC, VCCQ
-1.0 ~ 4.6
V
Storage Temperature
TSTG
-55 ~ +150
°C
Power Dissipation
PD
9
W
Short Circuit Current
IOS
50
mA
Note:
Permanent device damage may occur if "ABSOLUTE MAXIMUM RATINGS" are exceeded.
Functional operation should be restricted to recommended operating condition.
Exposure to higher than recommended voltage for extended periods of time could affect device reliability.
RECOMMENDED DC OPERATING CONDITIONS
(Voltage Referenced to: VSS = 0V, TA = 0°C ≤ +70°C)
Parameter
Symbol
Min
Typ
Max
Unit
Supply Voltage
VCC
3.0
3.3
3.6
V
Input High Voltage
VIH
2.0
3.0
VCCQ+0.3
V
1
Input Low Voltage
VIL
-0.3
—
0.8
V
2
Output High Voltage
VOH
2.4
—
—
V
IOH= -2mA
Output Low Voltage
VOL
—
—
0.4
V
IOL= -2mA
ILI
-10
—
10
µA
3
Input Leakage Current
Note
Note:
1. VIH (max)= 5.6V AC. The overshoot voltage duration is ≤ 3ns.
2. VIL (min)= -2.0V AC. The undershoot voltage duration is ≤ 3ns.
3. Any input 0V ≤ VIN ≤ VCCQ
Input leakage currents include Hi-Z output leakage for all bi-directional buffers with Tri-State outputs.
CAPACITANCE
(TA = 23°C, f = 1MHz, VCC = 3.3V, VREF =1.4V 6200mV)
Parameter
Symbol
Max
Unit
Input Capacitance (A0-A12)
CIN1
15
pF
Input Capacitance (RAS#,CAS#,WE#)
CIN2
15
pF
Input Capacitance (CKE0)
CIN3
15
pF
Input Capacitance (CLK0)
CIN4
20
pF
Input Capacitance (CS0#)
CIN5
15
pF
Input Capacitance (DQM0-DQM7)
CIN6
15
pF
Input Capacitance (BA0-BA1)
CIN7
15
pF
Data input/output capacitance (DQ0-DQ63)
COUT
22
pF
Data input/output capacitance (CB0-CB7)
COUT1
22
pF
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
June 2003
Rev. 1
3
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
White Electronic Designs
WED3DG7232V-D1
OPERATING CURRENT CHARACTERISTICS
(VCC = 3.3V, TA = 0°C ≤ +70°C)
Version
Parameter
Symbol
Conditions
133
100
Units
Note
1,080
990
mA
1
Operating Current
(One bank active)
ICC1
Burst Length = 1
tRC ≥ tRC(min)
IOL = 0mA
Precharge Standby Current
in Power Down Mode
ICC2P
CKE ≤ VIL(max), tCC = 10ns
20
ICC2PS
CKE & CLK ≤ VIL(max), tCC = ∞
20
Icc2N
CKE ≥ VIH(min), CS ≥ VIH(min), tcc =10ns
Input signals are charged one time during 20
150
Icc2NS
CKE ≥ VIH(min), CLK ≤VIL(max), tCC = ∞
Input signals are stable
130
ICC3P
CKE ≥ VIL(max), tCC = 10ns
60
ICC3PS
CKE & CLK ≤ VIL(max), tCC = ∞
60
ICC3N
CKE ≥ VIH(min), CS ≥ VIH(min), tcc = 10ns
Input signals are changed one time during 20ns
270
mA
ICC3NS
CKE ≥ VIH(min), CLK ≤ VIL(max), tcc = ∞
Input signals are stable
225
mA
ICC4
Io = mA
Page burst
4 Banks activated
tCCD = 2CLK
1,260
1,980
Precharge Standby Current
in Non-Power Down Mode
Active standby current in
power-down mode
Active standby current in
non power-down mode
Operating current (Burst mode)
Refresh current
ICC5
tRC ≥ tRC(min)
Self refresh current
ICC6
CKE ≤ 0.2V
mA
mA
30
mA
1,035
mA
1
1,890
mA
2
mA
Notes:
1. Measured with outputs open.
2. Refresh period is 64ms.
3. Unless otherwise noticed, input swing level is CMOS (VIH/VIL = VCCQ/VssQ)
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
June 2003
Rev. 1
4
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
WED3DG7232V-D1
White Electronic Designs
Ordering Information
WED3DG7232V10D1
WED3DG7232V7D1
WED3DG7232V75D1
Speed
100MHz
133MHz
133MHz
CAS Latency
CL=2
CL=2
CL=3
Note: For industrial temperature range product, add an "I" to the end of the part
number.
PACKAGE DIMENSIONS
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ALL DIMENSIONS ARE IN INCHES
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
June 2003
Rev. 1
5
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com