1/7 data brief october 2004 for further information contact your local st sales office. m25pxx 512 kbit to 32 mbit, low voltage, serial flash memory with 40 mhz or 50 mhz spi bus interface features summary 512kbit to 32mbit of flash memory page program (up to 256 bytes) in 1.4ms (typical) sector erase (256 kbit or 512kbit) bulk erase (512kbit to 32mbit) 2.7 to 3.6v single supply voltage spi bus compatible serial interface 40mhz to 50mhz clock rate (maximum) deep power-down mode 1 a (typical) electronic signatures ? jedec standard two-byte signature (20xxh) ? res instruction, one-byte, signature, for backward compatibility more than 100000 erase/program cycles per sector more than 20 year data retention table 1. product list figure 1. packages reference part number m25pxx m25p32 m25p16 m25p80 m25p40 m25p20 m25p10-a m25p05-a vdfpn8 (me) 8x6mm (mlp8) so16 (mf) 300 mil width so8 (mn) 150 mil width 8 1 vdfpn8 (mp) (mlp8) www.datasheet.co.kr datasheet pdf - http://www..net/
m25pxx 2/7 summary description the m25pxx is a 512kbit to 32mbit (2m x 8) serial flash memory, with advanced write protection mechanisms, accessed by a high speed spi-com- patible bus. the memory can be programmed 1 to 256 bytes at a time, using the page program instruction. the memory is organized as a number of sectors, each containing 256 or 128 pages. each page is 256 bytes wide. the whole memory can be erased using the bulk erase instruction, or a sector at a time, using the sector erase instruction. figure 2. logic diagram table 2. signal names figure 3. so8 and vdfpn connections note: 1. there is an exposed die paddle on the underside of the mlp8 package. this is pulled, internally, to v ss , and must not be allowed to be connected to any other voltage or signal line on the pcb. figure 4. so16 connections note: 1. du = don?t use c serial clock d serial data input q serial data output s chip select w write protect hold hold v cc supply voltage v ss ground ai10258 s v cc m25pxx hold v ss w q c d 1 ai10259 2 3 4 8 7 6 5 d v ss c hold q sv cc w m25pxx 1 ai10260 2 3 4 16 15 14 13 du du du du v cc hold du du m25pxx 5 6 7 8 12 11 10 9 w q v ss du du s d c www.datasheet.co.kr datasheet pdf - http://www..net/
3/7 m25pxx figure 5. block diagram ai10261 hold s w control logic high voltage generator i/o shift register address register and counter 256 byte data buffer 256 bytes (page size) x decoder y decoder size of the read-only memory area c d q status register 00000h top of address space 000ffh www.datasheet.co.kr datasheet pdf - http://www..net/
m25pxx 4/7 table 3. instruction set table 4. status register format instruction description one-byte instruction code address bytes dummy bytes data bytes wren write enable 0000 0110 06h 0 0 0 wrdi write disable 0000 0100 04h 0 0 0 rdid read identification 1001 1111 9fh 0 0 1 to 3 rdsr read status register 0000 0101 05h 0 0 1 to wrsr write status register 0000 0001 01h 0 0 1 read read data bytes 0000 0011 03h 3 0 1 to fast_read read data bytes at higher speed 0000 1011 0bh 3 1 1 to pp page program 0000 0010 02h 3 0 1 to 256 se sector erase 1101 1000 d8h 3 0 0 be bulk erase 1100 0111 c7h 0 0 0 dp deep power-down 1011 1001 b9h 0 0 0 res release from deep power-down, and read electronic signature 1010 1011 abh 0 3 1 to release from deep power-down 0 0 0 b7 b0 srwd 0 0 bp2 bp1 bp0 wel wip status register write protect block protect bits write enable latch bit write in progress bit www.datasheet.co.kr datasheet pdf - http://www..net/
5/7 m25pxx part numbering table 5. ordering information scheme note: 1. st strongly recommends the use of the automotive grade devices for use in an automotive environment. the high reliabilit y cer- tified flow (hrcf) is described in the quality note qnee9801. please ask your nearest st sales office for a copy. for a list of available options (speed, package, etc.) or for further information on any aspect of this device, please contact your nearest st sales of- fice. example: m25p80 ? v mp 6 t p device type m25p = serial flash memory for code storage device function 32 = 32mbit (4m x 8) 16 = 16mbit (2m x 8) 80 = 8mbit (1m x 8) 40 = 4mbit (512k x 8) 20 = 2mbit (256k x 8) 10-a = 1mbit (128k x 8) 05-a = 512kbit (64k x 8) operating voltage v = v cc = 2.7 to 3.6v package me = vdfpn8 8x6mm (mlp8) mp = vdfpn8 (mlp8) mf = so16 (300 mil width) mn = so8 (150 mil width) device grade 6 = industrial temperature range, ?40 to 85 c. device tested with standard test flow 3 = device tested with high reliability certified flow 1 . automotive temperature range (?40 to 125 c) option blank = standard packing t = tape and reel packing plating technology blank = standard snpb plating p = lead-free and rohs compliant g = lead-free, rohs compliant, sb 2 o 3 -free and tbba-free www.datasheet.co.kr datasheet pdf - http://www..net/
m25pxx 6/7 revision history table 6. document revision history date rev. description of revision 08-oct-2004 1.0 first release www.datasheet.co.kr datasheet pdf - http://www..net/
7/7 m25pxx information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the co nsequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specifications mentioned in this publicati on are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics prod ucts are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectro nics. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners ? 2004 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com www.datasheet.co.kr datasheet pdf - http://www..net/
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