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參數(shù)資料
| 型號： | W1D128M72R8B-3.75AP-QA1 |
| 廠商： | XILINX INC |
| 元件分類： | DRAM |
| 英文描述： | 128M X 8 DDR DRAM MODULE, 0.5 ns, DMA240 |
| 封裝： | MO-237, DIMM-240 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 255K |
| 代理商： | W1D128M72R8B-3.75AP-QA1 |
DDR2-400, 533
Single Rank, x8 Registered SDRAM DIMMs
DDR2_RDIMM_1 rank_x8_spec
Rev. 1.0 - December, 04
Wintec Industries, Inc., reserves the right to change datasheets and/or products without any notice.
2004 Wintec Industries, Inc.
4
Absolute Maximum Ratings:
Exposure to stresses greater than these absolute maximum rating conditions for extended periods may affect
reliability of the module.
Symbol
Parameter
Min
Max Units
VDD
VDD supply voltage relative to VSS
-1.0
2.3
V
VDDQ
VDDQ supply voltage relative to VSS
-0.5
2.3
V
VDDL
VDDL supply voltage relative to VSS
-0.5
2.3
V
VIN, VOUT
Voltage on any pin relative to VSS
-0.5
2.3
V
TSTG
Storage temperature (Tcase)
-55
+100
°C
TOPR
Operating Temperature (Ambient)
0
+55
°C
IIL
Input Leakage Current; Any input 0V
≤ V
IN ≤ 0.95V
-5
5
A
IOL
Output Leakage Current; 0V
≤ V
OUT ≤ VDDQ; DQS and ODT are disabled
-5
5
A
DC Operating Conditions:
Parameter
Symbol
Min
Nom
Max
Units Notes
Supply Voltage
VDD
1.7
1.8
1.9
V
1
VDDL Supply Voltage
VDDL
1.7
1.8
1.9
V
4
I/O Supply Voltage
VDDQ
1.7
1.8
1.9
V
4
I/O Reference Voltage
VREF
0.49 x VDDQ 0.50 x VDDQ 0.51 x VDDQ
V
2
I/O Termination Voltage (system)
VTT
VREF - 40
VREF
VREF + 40
mV
3
NOTE:
1. VDD and VDDQ must keep track of each other. VDDQ cannot exceed the value of VDD
2. VREF is expected to equal VDDQ/2 of the transmitting device and to track variations in the DC level of the same
3. VTT is not applied directly to the device. VTT is a system supply for signal termination resistors, is expected to
be set equal to VREF and must track variations in the DC level of VREF
4. VDDQ must tracks VDD; and VDDL tracks VDD
Input/Output Capacitance:
VDD = +1.8V ± 0.1V, VDDQ = +1.8V ± 0.1V, VREF = VSS, f =100MHz, 0°C<TOPR <+55°C, VOUT(DC) = VDDQ/2
Parameter
Symbol
Min
Max
Units
Input Capacitance: CK, CK
CCK
1.0
2.0
pF
Delta Input Capacitance: CK, CK
CDCK
-
0.25
pF
Input Capacitance: BA0, BA1, A0-A12, CS , RAS ,
CAS , WE , CKE, ODT
CI
1.0
2.0
pF
Delta Input Capacitance: BA0, BA1, A0-A12, CS ,
RAS , CAS , WE , CKE, ODT
CDI
-
0.25
pF
Input/Output Capacitance: DQs, DQS, DM, NF
CIO
3.0
4.0
pF
Delta Input/Output Capacitance: DQs, DQS, DM, NF
CDIO
-
0.5
pF
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