b28256/803 1/3 complete data available on data-on-disc cd-rom or at www.st.com fast access time: 100ns 2.7v to 3.6v single supply voltage low power consumption fast write cycle: C 128 bytes page write operation C byte or page write cycle enhanced end of write detection: C data polling C toggle bit page load timer status bit for start of write detection status register high reliability double polysilicon, cmos technology: C endurance >100,000 erase/write cycles C data retention >10 years jedec approved bytewide pin out and standard commands software data protection hardware write protection software chip erase description the M28010 is a 128 kbit x 8 low power parallel eeprom fabricated with sgs-thomson pro- prietary double polysilicon cmos technology. the devices offer fast access time with low power dis- sipation and requires a 2.7v to 3.6v power supply. the circuit has been designed to offer a flexible microcontroller interface featuring both hardware and software handshaking with data polling and toggle bit and access to a status register. the devices support a 128 byte page write operation. a software data protection (sdp) and software chip erase are also possible using the standard jedec algorithm. M28010 1mbit (128kb x8) parallel eeprom with software data protection data briefing ai02221 17 a0-a16 w dq0-dq7 v cc M28010 g e v ss 8 logic diagram 32 1 pdip32 (ba) plcc32 (ka) tsop32 (na) 8 x20mm
2/3 M28010 a1 a0 dq0 a7 a4 a3 a2 a6 a5 a13 a10 a8 a9 dq7 a14 a11 g e dq5 dq1 dq2 dq3 v ss dq4 dq6 a12 du v cc ai02222 M28010 8 1 15 16 4 5 6 7 9 10 11 12 13 14 32 31 30 27 26 25 24 23 22 21 20 19 18 17 a15 du w a16 2 3 29 28 dip pin connections ai02223 du a8 a10 dq4 17 a0 a7 dq0 dq1 dq2 dq6 dq3 a6 a3 a2 a1 a5 a4 9 w a9 1 a16 a11 a14 a12 dq7 32 du v cc M28010 a15 a13 dq5 g e 25 v ss lcc pin connections warning: du = dont use. a2 a1 a0 a6 a3 a5 a4 a9 a11 dq7 a8 g e dq5 dq0 dq1 dq3 dq4 dq6 a13 w a15 a7 a14 v cc a12 ai02224 M28010 8 1 9 16 17 24 25 32 v ss a10 dq2 du a16 du tsop pin connections warning: du = dont use. warning: du = dont use. a0-a16 address input dq0-dq7 data input / output w write enable e chip enable g output enable v cc supply voltage v ss ground signal names
3/3 M28010 ordering information scheme speed 10 100ns operating voltage w 2.7v to 3.6v package ba pdip32 ka plcc32 na tsop32 8 x 20mm temperature range 1 (1) 0 to 70 c 6 C40 to 85 c option t tape & reel packing example: M28010 C 10 w ka 6 t note: 1. temperature range on request only. devices are shipped from the factory with the memory content set at all "1s" (ffh). for a list of available options (speed, package, etc...) or for further information on any aspect of this device, please contact the sgs-thomson sales office nearest to you.
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