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WCSS0418V1F Datasheet(PDF) 7 Page - Weida Semiconductor, Inc. |
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WCSS0418V1F Datasheet(HTML) 7 Page - Weida Semiconductor, Inc. |
7 / 18 page WCSS0418V1F Document #: 38-05245 Rev. ** Page 7 of 18 Maximum Ratings (Above which the useful life may be impaired. For user guide- lines, not tested.) Storage Temperature ...................................–65°C to +150°C Ambient Temperature with Power Applied...............................................–55°C to +125°C Supply Voltage on VDD Relative to GND ...............–0.5V to +4.6V DC Voltage Applied to Outputs in High Z State[5]...............................................–0.5V to VDD + 0.5V DC Input Voltage[5]...........................................–0.5V to VDD + 0.5V Current into Outputs (LOW) ........................................ 20 mA Static Discharge Voltage .......................................... >2001V (per MIL-STD-883, Method 3015) Latch-Up Current .................................................... >200 mA Write Cycle Descriptions[1, 2, 3, 4] Function GW BWE BWS1 BWS0 Read 1 1 X X Read 1 011 Write Byte 0 - DQ[7:0] and DP0 1 010 Write Byte 1 - DQ[15:8] and DP1 1 001 Write All Bytes 1 0 0 0 Write All Bytes 0 X X X Operating Range Range Ambient Temperature[6] VDD VDDQ Com’l 0°C to +70°C 3.135V to 3.6V 2.375V to VDD Ind’l –40°C +70°C Electrical Characteristics Over the Operating Range Parameter Description Test Conditions 7C1325B Unit Min. Max. VOH Output HIGH Voltage VDDQ = 3.3V, VDD = Min., IOH = –4.0 mA 2.4 V VDDQ = 2.5V, VDD = Min., IOH = –2.0 mA 2.0 V VOL Output LOW Voltage VDDQ = 3.3V, VDD = Min., IOL = 8.0 mA 0.4 V VDDQ = 2.5V, VDD = Min., IOL = 2.0 mA 0.7 V VIH Input HIGH Voltage VDDQ = 3.3V 2.0 VDD + 0.3V V VIH Input HIGH Voltage VDDQ = 2.5V 1.7 VDD + 0.3V V VIL Input LOW Voltage[5] VDDQ = 3.3V –0.3 0.8 V VIL Input LOW Voltage[5] VDDQ = 2.5V –0.3 0.7 V IX Input Load Current (except ZZ and MODE) GND ≤ V I ≤ VDDQ −11 µA Input Current of MODE Input = VSS –30 µA Input = VDDQ 5 µA Input Current of ZZ Input = VSS –5 µA Input = VDDQ 30 µA IOZ Output Leakage Current GND ≤ V I ≤ VDD, Output Disabled –5 5 µA Notes: 4. When a write cycle is detected, all I/Os are three-stated, even during byte writes. 5. Minimum voltage equals –2.0V for pulse durations of less than 20 ns. 6. TA is the case temperature. |
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