1 - Al Kossow's Bitsavers

1MS2564.65,536-BI1 ERASABLE PROGRAMMABLE READ-ONLY MEMORIESrecommended operating conditionsPARAMETERTMS2564-35TMS2564-45MIN NOM MAX MIN NOM MAXSupply voltage, VCC (see Note 2) 4.75 5 5.25 4.75 5 5.25 VSupply voltage, Vpp (see Note 3) VCC VCC VSupply voltage, VSS 0 0 VHigh-level input voltage, VIH 2.2 VCC+ 1 2.2 VCC+ 1 VLow-level input voltage, VIL -0.1 t 0.8 -0.1 t 0.8 VRead cycle time, tc(rd) 350 450 nsOperating free-air temperature, T A 0 70 0 70 DCNOTES:2. Vee must be applied before or atlthe same time as Vpp and removed after or at the same time as Vpp. The device must not be inserted intoor removed from the board when Vpp or Vee is applied so that the device Is not damaged.3. Vpp can be connected to Vee directly (except in the program mode). Vee supply current in this case would be lee + Ipp. During programming.Vpp must be maintained at 25 V (± 1 V).t The algebraic convention, where the more negative limit is designated as minimum. is used in this data sheet for logic voltage levels and time intervals.electrical characteristics over full ranges of recommended operating conditionsUNITm"0:co3:cCD