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W27E257 Datasheet(PDF) 6 Page - Winbond |
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W27E257 Datasheet(HTML) 6 Page - Winbond |
6 / 14 page W27E257 - 6 - READ OPERATION DC CHARACTERISTICS (VCC = 5.0V ±10%, TA = 0 to 70° C) (W27E257-10, S-10, K-10, P-10: VCC, min. = 3.0V and max. = 5.5V) PARAMETER SYM. CONDITIONS LIMITS UNIT MIN. TYP. MAX. Input Load Current ILI VIN = 0V to VCC -5 - 5 µA Output Leakage Current ILO VOUT = 0V to VCC -10 - 10 µA VCC Standby Current ISB CE = VIH - - 1.0 mA ISB1 CE = VCC ±0.2V - 5 100 µA VCC Operating Current ICC CE = VIL IOUT = 0 mA f = 5 MHz - - 30 mA VPP Operating Current IPP VPP = VCC - - 100 µA Input Low Voltage VIL - -0.3 - 0.8 V Input High Voltage VIH - 2.0 - VCC +0.5 V Output Low Voltage VOL IOL = 2.1 mA - - 0.45 V Output High Voltage VOH IOH = -0.4 mA 2.4 - - V VPP Operating Voltage VPP - VCC -0.7 - VCC V READ OPERATION AC CHARACTERISTICS (VCC = 5.0V ±10%, TA = 0 to 70° C) PARAMETER SYM. W27E257-10 W27E257-12 W27E257-15 UNIT MIN. MAX. MIN. MAX. MIN. MAX. Read Cycle Time TRC 100 - 120 - 150 - nS Chip Enable Access Time TCE - 100 - 120 - 150 nS Address Access Time TACC - 100 - 120 - 150 nS Output Enable Access Time TOE - 50 - 60 - 70 nS OE High to High-Z Output TDF - 30 - 30 - 50 nS Output Hold from Address Change TOH 0 - 0 - 0 - nS Note: VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP. |
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