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HT24LC256 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT24LC256 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 12 page  Rev. 1.00 1 January 29, 2013 Rev. 1.00 PB January 29, 2013 HT24LC256 CMOS 256K 2-Wire Serial EEPROM Features • Operatingvoltage: 2.2V~5.5VforTa=-40˚Cto+85˚C • MemoryCapacity:256K(32K×8) • 2-wireI2Cserialinterface • Writecycletime:5msmax. • Automaticerase-before-writeoperation • Partialpagewriteallowed • 64-bytePagewritemodes • Writeoperationwithbuilt-intimer • Hardwarecontrolledwriteprotection • 40-yeardataretention • 106erase/writecyclesperword • 8-pinDIP/SOP/TSSOPpackage Description TheHT24LC256deviceisa256K-bit2-wireserial read/writenon-volatilememorydevicemanufactured usingaCMOSfloatinggateprocess.Its256Kbitsof memoryareorganizedinto32Kwordsandeachword is8bits.Thedeviceisoptimizedforuseinmany industrialandcommercialapplicationswherelow powerandlowvoltageoperationareessential.Upto eightHT24LC256devicesmaybeconnectedtothe sametwo-wirebus.TheHT24LC256isguaranteed for1Merase/writecyclesand40-yeardataretention. Block Diagram I/ O Co nt ro l Logi c Me mo ry Co nt ro l Logi c SC L SD A A ddr es s Co un te r A0 ~A 2 VS S X D E C EEPR OM Ar ra y Pa ge Bu ff er YD EC Se ns e AM P R/ W C ont ro l HV P um p WP VC C Pin Assignment 1 2 3 4 8 7 6 5 HT 24 LC 25 6 8 DI P- A/ SO P- A A0 A1 A2 VS S VC C WP SC L SD A HT24LC256 8 DIP-A/SOP-A/TSSOP-A Pin Description Pin Name Type Description A0~A2 I Address inputs SDA I/O Serial data SCL I Serial clock input WP I Write protect VSS PWR Negative power supply, ground VCC PWR Positive power supply |
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Similar Description - HT24LC256 |
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