d16~23 d0~7 d8~15 d24~31 cs1 cs2 cs3 cs4 oe a0~a20 we 2m x 8 flash 2m x 8 flash 2m x 8 flash 2m x 8 flash reset d16~23 d0~7 d8~15 d24~31 cs1 cs2 cs3 cs4 a0~a20 2m x 8 flash 2m x 8 2m x 8 flash 2m x 8 flash we1 oe we4 we3 we2 flash reset description the puma 68f64006 is a high density 64 mbit cmos 5v only flash memory module in a jedec 68 pin surface mount plcc, with read access times of 90, 120 and 150ns. the plastic device is screened in to ensure high reliability. the device is capable of 10,000 write/erase cycles and has 10 year data retention. pin functions a0~a20 address input reset state machine reset d0~d31 data inputs/outputs cs1~4 chip selects we1~4 write enable oe output enable vcc power (+5v) gnd ground 2m x 32 flash module puma 68f64006/a - 90/12/15 issue 1.0 : march 1999 block diagram puma 68f64006 block diagram 68f64006a elm road, west chirton, north shields, tyne & wear ne29 8se, england tel.+44 (0191) 2930500 fax. +44 (0191) 2590997 features ? 64 megabit flash module. ? fast access times of 90/120/150 ns. ? output configurable as 32 / 16 / 8 bit wide. ? industrial, military or military (high rel) grade. ? erase/write cycle endurance 100,000 (min.) - e variant. ? 10 year data retention.
2 puma 68f64006/a - 90/12/15 issue 1.0 : march 1999 44 reset a0 a1 a2 a3 a4 a5 cs3 gnd cs4 we a6 a7 a8 a9 a10 vcc d0 d1 d2 d3 d4 d5 d6 d7 gnd d8 d9 d10 d11 d12 d13 d14 d15 d16 d17 d18 d19 d20 d21 d22 d23 gnd d24 d25 d26 d27 d28 d29 d30 d31 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 puma 68f64006 view from above vcc a11 a12 a13 a14 a15 a16 cs1 oe cs2 nc nc a19 a20 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 a17 nc a18 44 reset a0 a1 a2 a3 a4 a5 cs3 gnd cs4 we1 a6 a7 a8 a9 a10 vcc d0 d1 d2 d3 d4 d5 d6 d7 gnd d8 d9 d10 d11 d12 d13 d14 d15 d16 d17 d18 d19 d20 d21 d22 d23 gnd d24 d25 d26 d27 d28 d29 d30 d31 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 puma 68f64006a view from above vcc a11 a12 a13 a14 a15 a16 cs1 oe cs2 we3 we4 a19 a20 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 a17 we2 a18 package details pin definitions puma 68f64006 puma 68f64006a puma 68f64006/a
3 puma 68f64006/a - 90/12/15 issue 1.0 : march 1999 puma 68f64006amb-90e speed 90 = 90 ns 12 = 120 ns 15 = 150 ns temp.range/screening blank = commercial temperature i = industrial temperature m = military temperature we option blank = single we a = we1~4 organisation 64006 = 2m x 32, user confiurable as 4m x 16 and 8m x 8 technology f = flash memory package puma 68 = 68 pin 'j' leaded plcc note : e is designated to parts with extended erase/write cycle endurance (100,000 min.). if not specified when ordered only a erase/write cycle endurance of 10,000 minimum can be guaranteed. ordering information note : although this data is believed to be accurate the information contained herein is not intended to and does not create any warranty of merchantibility or fitness for a particular purpose. our products are subject to a constant process of development. data may be changed at any time without notice. products are not authorised for use as critical components in life support devices without the express written approval of a company director.
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