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WV3HG64M64EEU403D6SG Datasheet(PDF) 4 Page - White Electronic Designs Corporation |
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WV3HG64M64EEU403D6SG Datasheet(HTML) 4 Page - White Electronic Designs Corporation |
4 / 11 page WV3HG64M64EEU-D6 December 2005 Rev. 0 ADVANCED 4 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs 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 1 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*VCCQ 0.50*VCCQ 0.51*VCCQ V2 I/O Termination Voltage VTT VREF-0.04 VREF VREF+0.04 V 3 Notes: 1. VCC and 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 exceed +/- percent 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 to VREF and must track variations in the DC level of VREF. 4. VCCQ tracks with VCC; VCCL track with VCC. ABSOLUTE MAXIMUM RATINGS SSTL_1.8V Symbol Parameter Min Max Unit 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 TCASE Device operating Temperature 0 85 °C IL Input leakage current; Any input 0V<VIN<VCC; VREF input 0V<VIN<<0.95; Other pins not under test = 0V Command/Address, RAS#, CAS#, WE# -40 40 uA CS#, CKE -40 40 uA CK, CK# -15 15 uA DM -5 5 uA IOZ Output leakage current; 0V<VOUT<VCCQ; DQs and ODT are disable DQ, DQS, DQS# -5 5 uA IVREF VREF leakage current; VREF = Valid VREF level -16 16 uA |
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