1 white electronic designs corporation ? (508) 366-5151 ?www.whiteedc.com wed7fx325zxebsnyyc march 2000 rev. 0 2, 4, and 8mb, stmicro, 5.0v 4mb based, uniform sector flash module family features 2, 4, and 8mb density flash modules organized as; 512k x 32, 2 x 512k x 32, and 4 x 512k x 32 based on stmicro's m29f040b 5.0v flash device base component device id = e2h base component manufacturers id = 20h uniform sector architecture sector erase sector protection embedded erase algorithm embedded program algorithm (amd compatible) data polling and toggle bit for detection 100,000 program/erase cycles per block 20 year data retention description the wed7f325zxebsn, wed7f2325zxebsn, and wed7f4325zxebsn are organized as 512k x 32, 2 x 512k x 32 and 4 x 512k x 32 respectively. the modules are based on 4mb tsop components from stmicro which are mounted onto an fr4 substrate. the modules are offered in access speeds from 70 to 150ns with an operation voltage requirement of 5.0v 10%. pin configuration presence detect pins; module density pin name, definition pin capacitance a 0-19 address inputs dq 0-31 common data input / output w 0-3 byte write enables e 0-3 bank enable g output enable pd 0-7 presence detect nc no connect v cc power 5v 10% v ss ground pin# pin name pin# pin name pin# pin name pin# pin name 1v ss 21 (note 1) 41 a 11 61 dq 9 2v cc 22 (note 1) 42 a 10 62 dq 8 3 nc 23(note 1) 43a 9 63 dq 7 4 g 24 (note 1) 44 a 8 64 dq 6 5w 0 25 v ss 45 a 7 65 dq 5 6w 1 26 dq 29 46 a 6 66 dq 4 7nc 27dq 30 47 a 5 67 dq 3 8dq 16 28 dq 31 48 a 4 68 dq 2 9dq 17 29 w 2 49 a 3 69 dq 1 10 dq 18 30 nc 50 a 2 70 dq 0 11 d q 19 31 nc 51 a 1 71 nc 12 dq 20 32 nc 52 a 0 72 v cc 13 dq 21 33 nc 53 w 3 73 pd 1 14 dq 22 34 a 18 54 v ss 74 pd 2 15 dq 23 35 a 17 55 dq 15 75 pd 3 16 dq 24 36 a 16 56 dq 14 76 pd 4 17 dq 25 37 a 15 57 dq 13 77 pd 5 18 dq 26 38 a 14 58 dq 12 78 pd 6 19 dq 27 39 a 13 59 dq 11 79 pd 7 20 dq 28 40 a 12 60 dq 10 80 v ss simm presence select pin density pd 1 pd 2 pd 3 pd 4 512k x 32 v ss v ss v ss open 2 x 512k x 32 open open open v ss 4 x 512k x 32 v ss open open v ss eco #12508 2mb 4mb 8mb parameter sym pins v alue value value input capacitance cin ad dress 20pf 40pf 80pf input capacitance cin g 20pf 40pf 80pf output capacitance cio input / output data bus 5pf 10pf 20pf input capacitance cin e 0-3 20pf 20pf 20pf input capacitance cin w 0-3 5pf 10pf 20pf note 1: bank enable simm density pin 24 pin 23 pin 22 pin 21 512k x 32 e 0 nc nc nc 2 x 512k x 32 e 0 e 1 nc nc 4 x 512k x 32 e 0 e 1 e 2 e 3
2 white electronic designs corporation ? (508) 366-5151 ?www.whiteedc.com wed7fx325zxebsnyyc march 2000 rev. 0 ordering information 2mb, 512k x 32 4mb, 2 x 512k x 32 fig. 1 functional block diagram 2mb; 512k x 32 fig. 2 functional block diagram 4mb; 2 x 512k x 32 8mb, 4 x 512k x 32 part number density speed package wed7f4325zxebsn90c 8mb 90ns 368 wed7f4325zxebsn12c 8mb 120ns 368 wed7f4325zxebsn15c 8mb 150ns 368 part number density speed package wed7f325zxebsn70c 2mb 70ns 366 wed7f325zxebsn90c 2mb 90ns 366 wed7f325zxebsn12c 2mb 120ns 366 wed7f325zxebsn15c 2mb 150ns 366 part number density speed package wed7f2325zxebsn70c 4mb 70ns 367 wed7f2325zxebsn90c 4mb 90ns 367 wed7f2325zxebsn12c 4mb 120ns 367 wed7f2325zxebsn15c 4mb 150ns 367 512k x 8 512k x 8 512k x 8 512k x 8 dq 0-7 dq 8-15 dq 16-23 dq 24-31 a 0-18 e 0 g w 0 w 1 w 2 w 3 m29f040 m29f040 m29f040 m29f040 512k x 8 512k x 8 512k x 8 512k x 8 a 0-18 e 1 g e 0 w 0 w 1 w 2 w 3 m29f040 m29f040 m29f040 m29f040 512k x 8 512k x 8 512k x 8 512k x 8 dq 0-7 dq 8-15 dq 16-23 dq 24-31 m29f040 m29f040 m29f040 m29f040
3 white electronic designs corporation ? (508) 366-5151 ?www.whiteedc.com wed7fx325zxebsnyyc march 2000 rev. 0 fig. 3 functional block diagram 8mb; 4 x 512k x 32 fig. 4 mechanical; package - 366 512k x 8 512k x 8 512k x 8 512k x 8 a 0-18 e 1 g e 0 w 0 w 1 w 2 w 3 m29f040 m29f040 m29f040 m29f040 512k x 8 512k x 8 512k x 8 512k x 8 m29f040 m29f040 m29f040 m29f040 512k x 8 512k x 8 512k x 8 512k x 8 dq 0-7 dq 8-15 dq 16-23 dq 24-31 m29f040 m29f040 m29f040 m29f040 e 2 e 3 512k x 8 512k x 8 512k x 8 512k x 8 m29f040 m29f040 m29f040 m29f040 p1 4.150 0.250 0.050 4.655 max 4.384 0.400 0.250 2.245 2.192 0.062 r 0.062 r r4 0.120 max 0.125 min 0.705 max typ
4 white electronic designs corporation ? (508) 366-5151 ?www.whiteedc.com wed7fx325zxebsnyyc march 2000 rev. 0 fig. 5 mechanical; package - 367 fig. 6 mechanical; package - 368 p1 4.384 0.250 2.245 2.192 rev. # 0.050 typ 4.150 0.062 r(2x) 0.400 0.705 max 0.250 max 0.125 min r4 r1 r3 r2 0.170 0.125 dia (2x) 4.655 max 0.225 min 0.050 +0.004 -0.003 j6 j1 j5 j7 j2 j3 j4 p1 0.125 0.200 max min 0.400 0.250 0.050 typ 4.150 2.245 2.192 0.062 r (2x) 0.125 dia (2x) 4.655 max 4.384 1.135
|
