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TMS28F010A-15C4FME4 Datasheet(PDF) 11 Page - Texas Instruments |
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TMS28F010A-15C4FME4 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 22 page Write Erase-Verify Command Setup Last Address? Start Increment Address Read and Verify Byte X = X + 1 Wait = 10 ms Pass Write Read Command X = 1000? All Bytes = 00h Interactive Mode Write-Erase Command Program All Bytes to 00h Apply VPPL Power Down Apply VPPL Address = 00h VCC = 5 V ± 10%, VPP = 12 V ± 5% X = 1 Device Passed Device Failed No Yes No Yes Fail No Yes Wait = 6 µs Preprogram ? Write Set-Up-Erase Command TMS28F010A 1048576-BIT FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ-ONLY MEMORY SMJS012 – DECEMBER 1992 – REVISED NOVEMBER 1993 11 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 Bus Operation Command Comments Entire memory must = 00h before erasure Use Fastwrite programming algorithm Initialize addresses Standby Wait for VPP to ramp to VPPH (see Note A) Initialize pulse count Write Set-Up- Erase Data = 20h Write Erase Data = 20h Standby Wait = 10 ms Write Erase Verify Addr = Byte to verify; Data = A0h; ends the erase operation Standby Wait = 6 µs Read Read byte to verify erasure; compare output to FFh Write Read Data = 00h; resets register for read operations Standby Wait for VPP to ramp to VPPL (see Note B) |
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