pin functions a0-14 address inputs d0-31 data inputs/outputs cs1-4 chip select oe output enable we1-4 write enable nc no connect v cc power (+5v) gnd ground 1 12 23 view from above 213 24 3 14 25 4 15 26 5 16 27 6 17 28 7 18 29 8 19 30 9 20 31 10 21 32 11 22 33 34 45 56 35 46 57 36 47 58 37 48 59 38 49 60 39 50 61 40 51 62 41 52 63 42 53 64 43 54 65 44 55 66 d8 we2 d15 d9 cs2 d14 d10 gnd d13 a13 d11 d12 a14 a10 oe a11 nc a12 we1 nc vcc d7 d0 cs1 d6 d1 nc d5 d2 d3 d4 d24 vcc d31 d25 cs4 d30 d26 we4 d29 a6 d27 d28 a7 a3 a0 nc a4 a1 a8 a5 a2 a9 we3 d23 d16 cs3 d22 d17 gnd d21 d18 d19 d20 nc nc 32k x 32 eepr 32k x 32 eepr 32k x 32 eepr 32k x 32 eepr 32k x 32 eepr om module om module om module om module om module puma 2e1000 - 150/200/250 issue 4.0 : january 2000 d16~23 d0~7 d8~15 d24~31 cs1 cs2 cs3 cs4 oe we1 we4 we3 we2 a0~a14 32k x 8 eeprom 32k x 8 32k x 8 32k x 8 eeprom eeprom eeprom block diagram pin definition description the puma 2e1000 is a 1mbit eeprom module user configurable as 32kx32, 64kx16 or 128kx8. available with access times of 150, 200 & 250ns the device has an industry standard ceramic 66 pin p.g.a footprint. the device features byte and page write facility, 10,000 write erase cycle capability and data retention time of 10 years. the device may be screened in accordance with mil-std-883 1,048,576 bit cmos high speed eeprom features access times of 150/200/250 ns. user configurable as 8 / 16 / 32 bit wide. upgradeable footprint. package suitable for thermal ladder applications. single byte and page write operation. data polling and toggle bit for end of write detection. hardware and software data protection. may be screened in accordance with mil-std-883. 11403 west bernado court, suite 100, san diego, ca 92127. tel no: (001) 858 674 2233, fax no: (001) 858 674 2230
puma 2e1000 - 150/200/250 issue 4.0 : january 2000 2 package details dimensions in mm (inches). 15.24 (0.60) typ 27.69 (1.090) sq. max. 4.83 (0.190) 4.32 (0.170) 1.40 (0.055) 1.52 (0.060) 8.13 (0.320) max 1.27 (0.050) 0.64 (0.025) 2.54 (0.100) typ. 2.54 (0.100) typ. 1.02 (0.040) 0.53 (0.021) 0.38 (0.015) 1.14 (0.045) ordering information puma 2e1000mb - 15 speed 15 = 150 ns 20 = 200 ns 25 = 250 ns temp. range/screening blank = commercial temp. i = industrial temp. m = military temp. mb = screened in accordance with mil-std-883 memory type e1000 = eeprom (configurable as 32kx32, 64kx16 or 128kx8) 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 aparticular purpose. our products are subject to a constant process of development. data may be changed 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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