edi3dg328v 1 white electronic designs corporation ? (508) 366-5151 ? www.whiteedc.com 8mx32 synchronous dram so-dimm, 3.3v features n cycle time of 10ns, 12ns and 15ns n packaging: 144 pin so-dimm (package 396) n burst mode operation (sequential & interleave) n auto & self refresh capability (4096 cycles /64ms) n lvttl compatible inputs and outputs n mrs cycle with address key programs n burst length (1, 2, 4, 8 & full page) n data scramble n all inputs are sampled at the positive edge of the system clock n serial presence detect with eeprom n single 3.3 volts operation the edi3dg328v are organized as 8megx32 synchronous high density dram modules which are based on 4 cmos 8megx8bit drams with 2 or 4 banks in a tsop package which are mounted on an fr4 substrate. the module also includes a serial eeprom in an 8-pin tsop package. the module is a 144 pin small outline dual in-line memory module with gold contacts. pin description pin configuration a 0-12 address lines ba 0-1 bank select dq 0-15 , data input/output dq 32-47 clk-ckl 1 clock input ras\ row address strobe cas\ column address strobe cke 0 clock enable input dqm 0 , 1 , 4 , 5 dqm cs 0 \ chip select input we\ write enable sda serial data i/o scl serial clock v cc power supply v ss ground nc no connection note: dqms vs data i/os dqm 0 controls dq 0-7 dqm 1 controls dq 8-15 dqm 4 controls dq 32-39 dqm 5 controls dq 40-47 notes: 1. a 12 (pin 70) is nc when using 4 bank devices 2. ba 1 (pin 110) is on c when using 2 bank devices pin symbol pin symbol pin symbol pin symbol 1v ss 2v ss 73 nc 74 clk 1 3dq 0 4dq 32 75 v ss 76 v ss 5dq 1 6dq 33 77 nc 78 nc 7dq 2 8dq 34 79 nc 80 nc 9dq 3 10 dq 35 81 v cc 82 v cc 11 v cc 12 v cc 83 nc 84 nc 13 dq 4 14 dq 36 85 nc 86 nc 15 dq 5 16 dq 37 87 nc 88 nc 17 dq 6 18 dq 38 89 nc 90 nc 19 dq 7 20 dq 39 91 v ss 92 v ss 21 v ss 22 v ss 93 nc 94 nc 23 dqm 0 24 dqm 4 95 nc 96 nc 25 dqm 1 26 dqm 5 97 nc 98 nc 27 v cc 28 v cc 99 nc 100 nc 29 a 0 30 a 3 101 v cc 102 v cc 31 a 1 32 a 4 103 a 6 104 a 7 33 a 2 34 a 5 105 a 8 106 a 9 35 v ss 36 v ss 107 v ss 108 v ss 37 dq 8 38 dq 40 109 a 9 110 ba 1 39 dq 9 40 dq 41 111 a 10 /ap 112 a 11 41 dq 10 42 dq 42 113 v ss 114 v cc 43 dq 11 44 dq 43 115 nc 116 nc 45 v cc 46 v cc 117 nc 118 nc 47 dq 12 48 dq 44 119 v ss 120 v ss 49 dq 13 50 dq 45 121 nc 122 nc 51 dq 14 52 dq 46 123 nc 124 nc 53 dq 13 54 dq 45 125 nc 126 nc 55 dq 14 56 dq 46 127 nc 128 nc 57 nc 58 nc 129 v cc 130 v cc 59 nc 60 nc 131 nc 132 nc 61 clk 0 62 cke 0 133 nc 134 nc 63 v cc 64 v cc 135 nc 136 nc 65 ras\ 66 cas\ 137 nc 138 nc 67 we\ 68 nc 139 v ss 140 v ss 69 cs 0 \70a 12 /nc 141 sda 142 scl 71 nc 72 nc 143 v cc 144 v cc january 1998 rev. 0
edi3dg328v 2 white electronic designs corporation ? (508) 366-5151 ? www.whiteedc.com ba 0-1 cs 0 \ cke 0 we\ ras\ cas\ 10 ohm dqm 0 dqm 1 clk 0 dq 0-7 dq 8-15 dqm 5 dqm 4 10 ohm clk 1 dq 32-39 dq 40-47 serial pd eeprom scl sda block diagram
edi3dg328v 3 white electronic designs corporation ? (508) 366-5151 ? www.whiteedc.com part number organization operating package no. frequency EDI3DG328V8D1 8m x 32 (4 bank sdrams) 125 mhz 396 edi3dg328v10d1 8m x 32 (4bank sdrams) 100 mhz 396 edi3dg328v12d1 8m x 32 (4 bank sdrams) 83 mhz 396 ordering information package description: 144 pin so-dimm package no. 396 all linear dimensions are millimeters and parenthetically in inches max. 1.10 (0.043) 0.90 (0.035) 4.06 (0.160) 67.75 (2.667) 67.45 (2.656) 60.60 (2.386) 3.30 (0.83) 2.00 (0.079) 63.60 (2.504) pin 1 1.50 (0.059) typ 0.60 (0.024) typ 0.80 (0.032) typ 2.22 (0.100) 6.00 (0.236) 1.80 (0.071) (2x) 2.00 (0.079) r (2x) 20.00 (0.787) typ 4.00 (0.157) 28.07 (1.105) max
|
