a0-a16 address inputs dq0-dq7 data inputs / outputs e chip enable g output enable w write enable v pp program supply v cc supply voltage v ss ground signal names M28F101 1 mbit (128kb x8, bulk) flash memory data briefing ai00666b 17 a0-a16 w dq0-dq7 v pp v cc M28F101 g e v ss 8 logic diagram 5v 10% supply voltage 12v programming voltage fast access time: 70ns byte programing time: 10 m s typical electrical chip erase in 1s range low power consumption stand-by current: 5 m a typical 10,000 erase/program cycles integrated erase/program-stop timer otp compatible packages and pinouts 20 years data retention defectivity below 1ppm/year electronic signature manufacturer code: 20h device code: 07h description the M28F101 flash memory is a non-volatile memory that may be erased electrically at the chip level and programmed by byte. it is organised as 128 kbytes of 8 bits. it uses a command register architectureto select the operatingmodes and thus provides a simple microprocessor interface. the device is offered in pdip32, plcc32 and tsop32 (8 x 20mm) packages. both normal and reverse pinouts are available for the tsop32 package. plcc32 (k) 32 1 pdip32 (p) tsop32 (n) 8 x 20 mm b28f101/808 1/2 complete data available on data-on-disc cd-rom or at www.st.com
2/2 ai00668 nc a13 a10 dq5 17 a1 a0 dq0 dq1 dq2 dq3 dq4 a7 a4 a3 a2 a6 a5 9 w a8 1 a16 a9 dq7 a12 a14 32 v pp v cc M28F101 a15 a11 dq6 g e 25 v ss lcc pin connections a1 a0 dq0 a7 a4 a3 a2 a6 a5 a13 a10 a8 a9 dq7 a14 a11 g e dq5 dq1 dq2 dq3 dq4 dq6 nc w a16 a12 v pp v cc a15 ai00669b M28F101 (normal) 8 1 9 16 17 24 25 32 v ss tsop pin connections warning: nc = not connected. warning: nc = not connected. example: M28F101 -70 x n 1 tr operating voltage f5v speed -70 70ns -90 90ns -100 100ns -120 120ns -150 150ns -200 200ns power supplies blank v cc 10% xv cc 5% package p pdip32 k plcc32 n tsop32 8 x 20mm temp. range 1 0 to 70 c 6 40 to 85 c 3 40 to 125 c option r reverse pinout tr tape & reel packing note: devices are shipped from the factory with the memory content erased (to ffh). ordering information scheme for a list of available options or for further informa- tion on any aspect of this device, please contact the stmicroelectronics sales officenearest to you. 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 nc w a16 a12 v pp v cc a15 ai00667 M28F101 8 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 dip pin connections warning: nc = not connected. M28F101
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