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參數(shù)資料
| 型號： | W3HG2128M72EER534D4SG |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | DRAM |
| 英文描述： | 256M X 72 MULTI DEVICE DRAM MODULE, ZMA200 |
| 封裝： | ROHS COMPLIANT, DIMM-200 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大小： | 162K |
| 代理商： | W3HG2128M72EER534D4SG |
W3HG2128M72EER-D4
October 2006
Rev. 1
CONCEPT
4
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
DC OPERATING CONDITIONS
All voltages referenced to VSS
Parameter
Symbol
Min
Typical
Max
Unit
Notes
Supply Voltage
VCC
1.7
1.8
1.9
V1
I/O Supply Voltage
VCCQ
1.7
1.8
1.9
V
4
VCCL Supply Voltage
VCCL
1.7
1.8
1.9
V
4
I/O Reference Voltage
VREF
0.49 x VCCQ
0.50 x VCCQ
0.51 x VCCQ
V2
I/O Termination Voltage
VTT
VREF-0.04
VREF
VREF+0.04
V
3
Notes:
1. VCC & VCCQ must track each other. VCCQ must be less than or equal to VCC.
2.
VREF is expected to equal VCCQ/2 of the transmitting device and to track variations in the DC level of the same. Peak-to-peak noise on VREF may not excedd +/-1percent of the
DC value. Peak-to-peak AC noise on VREF may not exceed +/-2 percent of VREF. This measurement is to be taken at the nearest VREF bypass capacitor.
3. VTT is not applied directly to the device. VTT is a system supply for signal termination resistors, is expected to be set equal.
4. VCCQ tracks with VCC;VCCL tracke with VCC
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Min
Max
Units
VCC
Voltage on VCC pin relative to VSS
-1.0
2.3
V
VCCQ
Voltage on VCCQ pin relative to VSS
-0.5
2.3
V
VCCL
Voltage on VCCL pin 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
-55
100
°C
TCAS
Device operating temperature
0
85
°C
IL
Input leakage current; Any input 0V<VIN<VCC; VREF input
0V,VIN,0.95V; Other pins not under test = 0V
Command/Address,
RAS#, CAS#, WE#,
CS#, CKE, ODT
-5
5
A
CK, CK#
-10
10
A
DM
-10
10
A
IOZ
Output leakage current; 0V<VIN<VCC; DQs and ODT are disable
DQ, DQS, DQS#
-10
10
A
IVREF
VREF leakage current; VREF = Valid VREF level
-36
36
A
INPUT/OUTPUT CAPACITANCE
TA = 25°C, f = 100MHz
Parameter
Symbol
Min
Max
Units
Input Capacitance (A0~A13, BA0~BA1, RAS#, CAS#, WE#)
CIN1
pF
Input Capacitance (CKE0, CKE1), (ODT, ODT1)
CIN2
pF
Input Capacitance (CS0#, CS1#)
CIN3
pF
Input Capacitance (CK0, CK0#, CK1, CK1#)
CIN4
pF
Input Capacitance (DM0 ~ DM7), (DQS0 ~ DQS7)
CIN5 (E6)
pF
CIN5 (D5)
pF
Input Capacitance (DQ0 ~ DQ63)
COUT1 (E6)
pF
COUT1 (D5)
pF
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