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memory products - Al Kossow's Bitsavers

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ST27C256FN-ST27C256PHIGH SPEED PROGRAMMING WAVEFORMSPROGRAMPROGRAM VERIFVVIHADORE SSE SX VILVIHDATAVIL12.5 VVpp6VVee5VADDRESS STABLE ItAsI 'AH"IIHIGH Z ~~DATA IN STABLE'\ DATA OUT VALIDV~'OS ~'DFP--..5VI I'VPSII.i~VIHVILVIHVIL/r=IvesCEOE\~tOES 'IOE~~ ---::.:....'OPW \~}-1. The input timing reference level is O.8V for VI Land 2.0V for VIH.2. toe and tDFP are characteristics of the device but must be be accommodated by the programmer.3. When programming the ST27C256. a O.lI'F capacitor is required across Vpp and ground to suppress spurious voltage transiens whichcan damage the device.7/10193

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