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W27C520S-90 Datasheet(PDF) 7 Page - Winbond |
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W27C520S-90 Datasheet(HTML) 7 Page - Winbond |
7 / 16 page Preliminary W27C520 Publication Release Date: October 2000 - 7 - Revision A1 DC PROGRAMMING CHARACTERISTICS (VDD = 6.5V ±0.25V, TA = 25° C ±5° C) PARAMETER SYM. CONDITIONS LIMITS UNIT MIN. TYP. MAX. Input Load Current ILI VIN = VIL or VIH -10 - 10 µA VDD Program Current ICP ALE = VIH, OE /VPP = VPP - - 30 mA VPP Program Current IPP ALE = VIH, OE /VPP = VPP - - 30 mA Input Low Voltage VIL - -0.3 - 0.8 V Input High Voltage VIH - 2.4 - VDD +0.5 V Output Low Voltage (Verify) VOL IOL = 2.1 mA - - 0.45 V Output High Voltage (Verify) VOH IOH = -0.4 mA 2.4 - - V A9 Silicon I.D. Voltage VHH VDD = 5V ±10% 11.5 12.0 12.5 V VPP Program Voltage VPP - 12.75 13.0 13.25 V VDD Supply Voltage (Program) VDP - 6.25 6.5 6.75 V AC PROGRAMMING/ERASE CHARACTERISTICS (VDD = 6.5V ±0.25V, TA = 25° C ±5° C) PARAMETER SYM. LIMITS UNIT MIN. TYP. MAX. OE /VPP Pulse Rise Time TPRT 50 - - nS Address Latch Enable Width TALE 500 - - nS ALE Program Pulse Width TPPW 47.5 50 52.5 µS ALE Erase Pulse Width TEPW 95 100 105 mS ALE Erase Pulse Width 1 TEPW1 47.5 50 52.5 µS ALE Erase Pulse Width 2 TEPW2 95 100 105 mS Latched Address Setup Time TLAS 100 - - nS Latched Address Hold Time TLAH 100 - - nS Address Setup Time TAS 2.0 - - µS Address Hold Time TAH 0 - - µS OE /VPP Setup Time TOES 2.0 - - µS OE /VPP Hold Time TOEH 2.0 - - µS Data Setup Time TDS 2.0 - - µS Data Hold Time TDH 2.0 - - µS Data Valid from OE /VPP Low during Erase Verify TEOE - - 150 nS Data Valid from OE /VPP Low during Program Verify TPOE - - 150 nS OE /VPP High to Output High Z TDFP 0 - 130 nS OE /VPP High Voltage Delay After ALE Low TVS 2.0 - - µS OE /VPP Recovery Time TVR 2.0 - - µS Note: VDD must be applied simultaneously or before VPP and removed simultaneously or after VPP. |
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