Rainbow-electronics W27E520 Bedienungsanleitung

Advance Information W27E52064K ×× 8 ELECTRICALLY ERASABLE EPROMPublication Release Date: 4/26/2000- 1 - Revision A1GENERAL DESCRIPTIONThe W27E520 is a

Advance Information W27E520- 10 -SMART PROGRAMMING ALGORITHM 1StartAddress = First LocationOE/Vpp = 13VProgram One 50 S PulseLast Address ?Address =

Advance Information W27E520Publication Release Date: 4/26/2000- 11 - Revision A1SMART PROGRAMMING ALGORITHM 2StartAddress = First LocationProgram One

Advance Information W27E520- 12 -SMART ERASE ALGORITHM 1StartOE/Vpp = 13VLastAddress?OE/Vpp = VCompareAll Bytes toFFs (HEX)PassDeviceIncrementAddressN

Advance Information W27E520Publication Release Date: 4/26/2000- 13 - Revision A1SMART ERASE ALGORITHM 2StartOE/Vpp = 13VLastAddress?OE/Vpp = VCompareA

Advance Information W27E520- 14 -ORDERING INFORMATIONPART NO. ACCESSTIME(nS)OPERATINGCURRENTMAX. (mA)STANDBYCURRENTMAX. (µµA)PACKAGEW27E520W-70* 70 20

Advance Information W27E520Publication Release Date: 4/26/2000- 15 - Revision A1PACKAGE DIMENSIONS20-pin TSSOPDimension in mmDimension in InchesMin. N

Advance Information W27E520- 16 -VERSION HISTORYVERSION DATE PAGE DESCRIPTIONA1 4/26/2000 - Initial IssuedHeadquartersNo. 4, Creation Rd. III,Science-

Advance Information W27E520- 2 -FUNCTIONAL DESCRIPTIONRead ModeUnlike conventional UVEPROMs, which has CE and OE two control functions, the W27E520 ha

Advance Information W27E520Publication Release Date: 4/26/2000- 3 - Revision A1An EPROM's power switching characteristics require careful device

Advance Information W27E520- 4 -DC CHARACTERISTICSAbsolute Maximum RatingsPARAMETER RATING UNITAmbient Temperature with Power Applied -55 to +125°CSto

Advance Information W27E520Publication Release Date: 4/26/2000- 5 - Revision A1AC CHARACTERISTICSAC Test ConditionsPARAMETER CONDITIONSInput Pulse Lev

Advance Information W27E520- 6 -READ OPERATION DC CHARACTERISTICS(VDD = 4.5V to 5.5V, TA = 0 to 70° C)PARAMETER SYM. CONDITIONS LIMITS UNITMIN. TYP.

Advance Information W27E520Publication Release Date: 4/26/2000- 7 - Revision A1DC PROGRAMMING CHARACTERISTICS(VDD = 6.5V ±0.25V, TA = 25° C ±5° C)PARA

Advance Information W27E520- 8 -TIMING WAVEFORMSAC Read WaveformOE/VppAD0-AD7High ZTOETOHTDFVIHVILA8-A15ALEAddress ValidTCEVILVIHVIHVILAddress Data TA

Advance Information W27E520Publication Release Date: 4/26/2000- 9 - Revision A1Timing Waveforms, continuedErase Waveform 1OE/Vpp13.0VTPRTVIHVILALEVIHV