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TMS29F040-12C5DDE Datasheet(PDF) 1 Page - Texas Instruments |
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TMS29F040-12C5DDE Datasheet(HTML) 1 Page - Texas Instruments |
1 / 37 page TMS29F040 524288 BY 8BIT FLASH MEMORY SMJS820C − APRIL 1996 − REVISED JUNE 1998 1 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 D Single Power Supply: 5 V ± 10% − 3.3 V ± 0.3 V − See TMS29LF040/ TMS29VF040 Data Sheet (Literature Number SMJS825) − 2.7 V to 3.6 V − See TMS29LF040 / TMS29VF040 Data Sheet D Organization . . . 524288 By 8 Bits D Eight Equal Sectors of 64K Bytes − Any Combination of Sectors Can Be Erased − Any Combination of Sectors Can Be Marked as Read-Only D Compatible With JEDEC Electrically Erasable Programmable Read-Only Memory (EEPROM) Command Set D Fully Automated On-Chip Erase and Byte-Program Operations D 100000 Program/Erase Cycles D Erase-Suspend/Erase-Resume Operation D Compatible With JEDEC Byte-Wide Pinouts D Low-Current Consumption − Active Read . . . 20 mA Typical − Active Program / Erase . . . 30 mA Typical D All Inputs/Outputs TTL-Compatible description The TMS29F040 is a 524288 by 8-bit (4194304-bit), 5-V single-supply, programmable read-only memory that can be electrically erased and reprogrammed. This device is organized as eight independent 64K-byte sectors and is offered with access times between 60 ns and 120 ns. An on-chip state machine controls the program and erase operations. The embedded byte-program and sector / chip-erase functions are fully automatic. The command set is compatible with that of JEDEC 4M-bit EEPROMs. A suspend / resume feature allows access to unaltered memory sectors during a sector-erase operation. Data-protection of any sector combination is accomplished using a hardware sector-protection feature. Device operations are selected by writing JEDEC-standard commands into the command register using standard microprocessor write timings. The command register acts as input to an internal-state machine that interprets the commands, controls the erase and programming operations, and outputs the status of the device, the data stored in the device, and the device algorithm-selection code. On initial power-up operation, the device defaults to the read mode. The TMS29F040 is offered in a 32-pin plastic leaded chip carrier (FM suffix) using 1.27-mm (50-mil) lead pitch and a 32-pin thin small-outline package (DD suffix). Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. A[0:18] Address Inputs DQ[0:7] Inputs (programming) / Outputs E Chip Enable G Output Enable VCC 5-V Power Supply V SS Ground W Write Enable PIN NOMENCLATURE 32 1 32 31 14 5 6 7 8 9 10 11 12 13 29 28 27 26 25 24 23 22 21 A14 A13 A8 A9 A11 G A10 E DQ7 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 430 15 16 17 18 19 FM PACKAGE ( TOP VIEW ) 20 PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright 1998, Texas Instruments Incorporated |
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