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WV3DG72256V-AD2 PDF даташит
| Спецификация WV3DG72256V-AD2 изготовлена «White Electronic Designs» и имеет функцию, называемую «2GB - 2x128Mx72 SDRAM». |
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Детали детали
| Номер произв | WV3DG72256V-AD2 |
| Описание | 2GB - 2x128Mx72 SDRAM |
| Производители | White Electronic Designs |
| логотип |  |
9 Pages
No Preview Available ! |
White Electronic Designs
WV3DG72256V-AD2
PRELIMINARY
2GB – 2x128Mx72 SDRAM, REGISTERED
FEATURES
Burst Mode Operation
Auto and Self Refresh capability
LVTTL compatible inputs and outputs
Serial Presence Detect with EEPROM
Fully synchronous: All signals are registered on the
positive edge of the system clock
Programmable Burst Lengths: 1, 2, 4, 8 or Full
Page
3.3V ± 0.3V Power Supply
Dual Rank
168 Pin DIMM JEDEC
• PCB - AD2: 28.58mm (1.125”) TYP
DESCRIPTION
The WV3DG72256V is a 2x128Mx72 synchronous DRAM
module which consists of eighteen 256Mx4 stack SDRAM
components (stacked from 128Mx4) in TSOP II package,
two 18 bit Drive ICs for input control signal and one 2Kb
EEPROM in an 8 pin TSSOP package for Serial Presence
Detect which are mounted on a 168 pin DIMM multilayer
FR4 Substrate.
* This product is under development, is not qualified or characterized and is subject to
change without notice.
NOTE: Consult factory for availability of:
• RoHS compliant products
• Vendor source control options
• Industrial temperature option
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
PIN FRONT PIN BACK PIN FRONT PIN BACK PIN BACK PIN BACK
1 VSS 29 DQM1 57 DQ18 85 VSS 113 DQM5 141 DQ50
2 DQ0 30 CS0# 58 DQ19 86 DQ32 114 CS1# 142 DQ51
3 DQ1 31 NC 59 VCC 87 DQ33 115 RAS# 143 VCC
4 DQ2 32 VSS 60 DQ20 88 DQ34 116 VSS 144 DQ52
5 DQ3 33 A0 61 NC 89 DQ35 117 A1 145 NC
6 VCC 34 A2 62 *VREF 90 VCC 118 A3 146 *VREF
7 DQ4 35 A4 63 *CKE1 91 DQ36 119 A5 147 REGE
ww8 w.DaDtaQS5 heet346U.comA6 64 VSS 92 DQ37 120 A7 148 VSS
9 DQ6 37 A8 65 DQ21 93 DQ38 121 A9 149 DQ53
10 DQ7 38 A10/AP 66 DQ22 94 DQ39 122 BA0 150 DQ54
11 DQ8 39 BA1 67 DQ23 95 DQ40 123 A11 151 DQ55
12 VSS 40 VCC 68 VSS 96 VSS 124 VCC 152 VSS
13 DQ9 41 VCC 69 DQ24 97 DQ41 125 NC 153 DQ56
14 DQ10 42 CLK0 70 DQ25 98 DQ42 126 A12 154 DQ57
15 DQ11 43 VSS 71 DQ26 99 DQ43 127 VSS 155 DQ58
16 DQ12 44 NC 72 DQ27 100 DQ44 128 CKE0 156 DQ59
17 DQ13 45 CS2# 73 VCC 101 DQ45 129 CS3# 157 VCC
18 VCC 46 DQM2 74 DQ28 102 VCC 130 DQM6 158 DQ60
19 DQ14 47 DQM3 75 DQ29 103 DQ46 131 DQM7 159 DQ61
20 DQ15 48 NC 76 DQ30 104 DQ47 132 NC 160 DQ62
21 CB0 49 VCC 77 DQ31 105 CB4 133 VCC 161 DQ63
22 CB1 50 NC 78 VSS 106 CB5 134 NC 162 VSS
23 VSS 51 NC 79 NC 107 VSS 135 NC 163 NC
24 NC 52 CB2 80 NC 108 NC 136 CB6 164 NC
25 NC 53 CB3 81 WP 109 NC 137 CB7 165 SA0
26 VCC 54 VSS 82 SDA 110 VCC 138 VSS 166 SA1
27 WE# 55 DQ16 83 SCL 111 CAS# 139 DQ48 167 SA2
28 DQM0 56 DQ17 84 VCC 112 DQM4 140 DQ49 168 VCC
PIN NAMES
A0 – A12 Address Input (Multiplexed)
BA0-1
Select Bank
DQ0-63
Data Input/Output
CB0-7
Check Bit (Data-In/Data-Out)
CLK0
Clock Input
CKE0
Clock Enable Input
CS0# - CS3# Chip Select Input
RAS#
Row Address Strobe
CAS#
Column Address Strobe
WE# Write Enable
DQM0-7
DQM
VCC Power Supply (3.3V)
VSS Ground
VREF Power Supply for Reference
REGE
Register Enable
SDA Serial Data I/O
SCL Serial Clock
SA0-2
Address in EEPROM
NC No Connect
* Pins not used in this module.
January 2006
Rev. 0
1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
No Preview Available ! |
White Electronic Designs
WV3DG72256V-AD2
PRELIMINARY*
BCS1#, B2CKE0
BCS0#, B0CKE0
PCLK0
B0RAS#, B0CAS#, B0WE#, B0BA0, B0BA1
B0A0~B0A12
BDQM0
DQ0~3
10
PCLK1
DQ0~7
10
PCLK2
DQ0~11
10
PCLK3
DQ0~15
10
PCLK4
CB0~3
10
BCS3#, B3CKE0
BCS2, B1CKE0
PCLK5
BDQM2
DQ16~19
10
PCLK6
DQ20~23
10
PCLK7
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BDQM3
DQ24~27
10
PCLK8
B1RAS#, B1CAS#, B1WE#, B1BA0, B1BA1
B1A0~B1A12
DQ28~31
A3~A10, BA0
PCLK9
REGE
A11, A12, BA1
CS2#, CS3#
CKE0
VCC
10k
DQM2, 3, 6, 7
A0, A1, A2
RAS#, CAS#, WE#
CS0#, CS1#
DQM0, 1, 4, 5
January 2006
Rev. 0
FUNCTIONAL BLOCK DIAGRAM
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
74ALVCF162835
LE OE#
74ALVCF162835
LE OE#
74ALVCF162835
LE OE#
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
BDQM4
DQ32~35
10
DQ36~39
10
BDQM5
DQ40~43
10
DQ44~47
10
DQ4~7
10
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
BDQM6
DQ48~51
DQ52~55
DQ56~59
DQ60~63
B0A3~B0A10, B0BA0
B1A3~B1A10, B1BA0
B0A11, B0A12, B0BA1
B1A11, B1A12, B1BA1
BCS2, BCS3
B0CKE0, B1CKE0
B2CKE0,B3CKE0
DQM2, 3, 6, 7
B0A0, B0A1, B0BA2
B1A0, B1A1,B1BA2
B0RAS#, BCAS#, B0WE#
B1RAS#, BCAS#, B1WE#
BCS0, BCS1
DQM0, 1, 4, 5
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
10
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
10
CLK#
CS0, CKE
CTL
Add
DQM
10 DQ0~3
CLK#
CS0, CKE
CTL
Add
DQM
DQ0~3
10
VSS
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
CLK#
CS1, CKE
CTL
Add
DQM
DQ0~3
VCC
CLK1,2,3
10
12pF
CLK0,2,3
10
12pF
IY0
IY1
IY2
IY3
IY4
CDCF2510
IY5
IY6
IY7
CLK
IY8
IY9
FBIN
FBOUT
PCLK0
PCLK1
PCLK2
PCLK3
PCLK4
PCLK5
PCLK6
PCLK7
PCLK8
PCLK9
Cb*1
Note
1. The actual values of Cb will depend upon the PLL chosen.
SCL
WP
47K
Serial PD
A0 A1 A2
SA0 SA1 SA2
SDA
2 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
No Preview Available ! |
White Electronic Designs
WV3DG72256V-AD2
PRELIMINARY*
ABSOLUTE MAXIMUM RATINGS
Parameter
Voltage on any pin relative to VSS
Voltage on VCC supply relative to VSS
Storage Temperature
Power Dissipation
Short Circuit Current
Symbol
VIN, VOUT
VCC, VCCQ
TSTG
PD
IOS
Value
-1.0 ~ 4.6
-1.0 ~ 4.6
-55 ~ +150
36
50
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, 0°C ≤ TA ≤ 70°
Parameter
Supply Voltage
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Input Leakage Current
Symbol
VCC
VIH
VIL
VOH
VOL
ILI
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.
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Min
3.0
2.0
-0.3
2.4
—
-10
Typ Max
3.3 3.6
3.0 VCCQ+0.3
— 0.8
——
— 0.4
— 10
CAPACITANCE
TA = 25 °C, f = 1MHz, VCC = 3.3V, VREF = 1.4V ± 200mV
Parameter
Input Capacitance (A0-A12, BA0-BA1)
Input Capacitance (RAS#, CAS#, WE#)
Input Capacitance (CKE0)
Input Capacitance (CLK0)
Input Capacitance (CS0# - CS3#)
Symbol
CIN1
CIN2
CIN3
CIN4
CIN5
Max
15
15
15
20
15
Input Capacitance (DQM0-DQM7)
CIN6 15
Data input/output capacitance (DQ0-DQ63), (CB0-BC7)
COUT
22
Units
V
V
°C
W
mA
Unit Note
V
V1
V2
V IOH= -2mA
V IOL= -2mA
μA 3
Unit
pF
pF
pF
pF
pF
pF
pF
January 2006
Rev. 0
3 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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| Номер в каталоге | Описание | Производители |
| WV3DG72256V-AD2 | 2GB - 2x128Mx72 SDRAM | White Electronic Designs |
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