參數(shù)資料
型號: WV3HG232M72EER534D6MG
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: DRAM
英文描述: 64M X 72 DDR DRAM MODULE, 0.5 ns, DMA240
封裝: ROHS COMPLIANT, DIMM-240
文件頁數(shù): 5/10頁
文件大?。?/td> 0K
代理商: WV3HG232M72EER534D6MG
WV3HG232M72EER-D6
June 2005
Rev. 1
ADVANCED
4
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
RECOMMENDED DC OPERATING CONDITIONS
All Voltages Referenced to VSS
Parameter
Symbol
Rating
Units
Notes
Min.
Type
Max.
Supply Voltage
VCC
1.7
1.8
1.9
V
Supply Voltage for DLL
VCCL
1.7
1.8
1.9
V
4
Supply Voltage for Output
VCCQ
1.7
1.8
1.9
V
4
Input Reference Voltage
VREF
0.49*VCCQ
0.50*VCCQ
0.51*VCCQ
V
1, 2
Termination Voltage
VTT
VREF-0.04
VREF
VREF+0.04
V
3
There is no specic device VCC supply voltage requirement for SSTL-1.8 compliance. However under all conditions VCCQ must be less than or equal to VCC.
1. The value of VREF may be selected by the user to provide optimum noise margin in the system. Typically the value of VREF isexpected to be about 0.5 x VCCQ of the transmitting
device and VREF is expected to track variations in VCCQ.
2. Peak to peak AC noise on VREF may not exceed ±2% VREF(DC).
3. VTT of transmitting device must track VREF of receiving device.
4. AC parameters are measured with VCC, VCCQ and VCCDL tied together.
ABSOLUTE MAXIMUM RATINGS
SSTL_1.8V
Symbol
Parameter
Rating
Units
Notes
VCC
Voltage on VCC pin relative to VSS
- 1.0 V - 2.3 V
V
5
VCCQ
Voltage on VCCQ pin relative to VSS
- 0.5 V - 2.3 V
V
5
VCCL
Voltage on VCCL pin relative to VSS
- 0.5 V - 2.3 V
V
5
VIN, VOUT
Voltage on any pin relative to VSS
- 0.5 V - 2.3 V
V
5
TSTG
Storage Temperature
-55 to +100
C
5, 6
5. Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the
device at these or any other conditions above those indicated in the operational sections of this specication is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect reliability.
6. Storage Temperature is the case surface temperature on the center/top side of the DRAM. For the measurement conditions, please refer to JESD51-2 standard.
CAPACITANCE
TA = 25°C, f = 1MHz, VCC = VCCQ = 1.8V
Parameter
Symbol
Max
Units
Input Capacitance: CK, CK#
CCK
11
pF
Input Capacitance: CKE, CS#
CI1
12
pF
Input Capacitance: Addr. RAS#, CAS#, WE#
CI2
12
pF
Input/Output Capacitance: DQ, DQS, DM, DQS#
CIO
10
pF
相關(guān)PDF資料
PDF描述
WEDPS512K32LV-15BC 512K X 32 MULTI DEVICE SRAM MODULE, 15 ns, PBGA143
WMS512K8-100FM 512K X 8 STANDARD SRAM, 100 ns, CDFP36
WMS512K8-70FC 512K X 8 STANDARD SRAM, 70 ns, CDFP36
WF256K8-60CI5 256K X 8 FLASH 5V PROM MODULE, 60 ns, CDIP32
WS128K32-17G4TIE 512K X 8 MULTI DEVICE SRAM MODULE, 17 ns, CQFP68
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
WV3HG264M64EEU403D4MG 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx64 DDR2 SDRAM UNBUFFERED
WV3HG264M64EEU403D4SG 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx64 DDR2 SDRAM UNBUFFERED
WV3HG264M64EEU403D6GG 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx64 DDR2 SDRAM UNBUFFERED
WV3HG264M64EEU403D6MG 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx64 DDR2 SDRAM UNBUFFERED
WV3HG264M64EEU403D6SG 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx64 DDR2 SDRAM UNBUFFERED