sm390hgsfn3uguu september 28, 1998 c orporate headquarters: 4305 cushing pkwy., fremont, ca 94538, usa ?tel:(510) 623-1231 ?fax:(510) 623-1434 ?e-mail: info@smartm.com europe: 36 linford forum, rockingham dr., linford wood, milton keynes, mk14 6ly, uk ?tel: + 44-1908 234030 ?fax: + 44-1908-234191 asia/paci?: suite 6a, 64 canning hwy., victoria park, perth, wa 6106, australia ?tel: + 61-9-361-9705 ?fax: + 61-9-361-9715 1 smart modular technologies revision history september 28, 1998 datasheet released.
sm390hgsfn3uguu september 28, 1998 c orporate headquarters: 4305 cushing pkwy., fremont, ca 94538, usa ?tel:(510) 623-1231 ?fax:(510) 623-1434 ?e-mail: info@smartm.com europe: 36 linford forum, rockingham dr., linford wood, milton keynes, mk14 6ly, uk ?tel: + 44-1908 234030 ?fax: + 44-1908-234191 asia/paci?: suite 6a, 64 canning hwy., victoria park, perth, wa 6106, australia ?tel: + 61-9-361-9705 ?fax: + 61-9-361-9715 2 smart modular technologies 4mbyte (512k x 90) synchronous secondary cache sram module - 256kx18 based 168-pin dimm features access time : 10/15/20ns operating voltage : 3.3v device physicals : bga lead finish : gold length x height : 133.35mm x 22.22mm no. of sides : double-sided functional diagram ( all speci?ations of this device are subject to change without notice.) v cc v ccq v ss v ssq decoupling capacitors to all devices. notes : 1. each 256kx36 block comprises of two 256kx18 sram devices. 2. a0~a17 to all sram devices. 3. ce2 & ce2# of all devices are tied active. 4. all other unused control signals are tied inactive except for bwe signal on parity devices, which is tied active. clk gwe# mode adv# adsc# adsp# oe# ce# z0_weh# z0_wel# z0_clk0 mode# z0_adv# z0_adsc# adsp# z0_oe0# z0_ce0# 256kx36 block dq0~dq35 dq0~dq89 dq54~dq89 clk gwe# mode adv# adsc# adsp# oe# ce# 256kx36 block clk gwe# mode adv# adsc# adsp# oe# ce# 256kx36 block clk gwe# mode adv# adsc# adsp# oe# ce# 256kx36 block z0_clk1 z0_oe1# z0_ce1# dq36~dq53 clk weh wel mode adv# adsc# adsp# oe# ce# clk weh wel mode adv# adsc# adsp# oe# ce# 256kx18 sram 256kx18 sram
sm390hgsfn3uguu september 28, 1998 c orporate headquarters: 4305 cushing pkwy., fremont, ca 94538, usa ?tel:(510) 623-1231 ?fax:(510) 623-1434 ?e-mail: info@smartm.com europe: 36 linford forum, rockingham dr., linford wood, milton keynes, mk14 6ly, uk ?tel: + 44-1908 234030 ?fax: + 44-1908-234191 asia/paci?: suite 6a, 64 canning hwy., victoria park, perth, wa 6106, australia ?tel: + 61-9-361-9705 ?fax: + 61-9-361-9715 3 smart modular technologies pin name a0~a17 addresses dq0~dq89 data inputs/outputs z0_clk0, z0_clk1 clock inputs z0_weh#, z0_wel# write enable inputs z0_adsc# cache address status input z0_adv# burst address advance input adsp# processor address status input av0_ce0_n#, av0_ce1_n# control select signals av1_ce0_n#, av1_ce1_n# z0_oe0#, z0_oe1# output enable inputs z0_ce0#, z0_ce1# chip enable inputs msize0_n#, msize1_n# presence detects v cc power supply v ss ground nc no connection pin pin pin pin pin pin pin pin no. designation no. designation no. designation no. designation 1 v ss 43 z0_adv# 85 v ss 127 z0_adsc# 2 dq0 44 z1_adv# / nc 86 dq9 128 z1_adsc# / nc 3 dq1 45 v ss 87 dq10 129 v ss 4 dq2 46 z0_clk0 88 dq11 130 z0_clk1 5 dq3 47 v ss 89 dq12 131 v ss 6 dq4 48 z1_clk0 90 dq13 132 z1_clk1 / nc 7 v cc 49 v ss 91 v cc 133 v ss 8 dq5 50 dq36 92 dq14 134 dq45 9 dq6 51 dq37 93 dq15 135 dq46 10 dq7 52 dq38 94 dq16 136 dq47 11 dq8 53 dq39 95 dq17 137 dq48 12 dq18 54 dq40 96 dq27 138 dq49 13 v ss 55 v cc 97 v ss 139 v cc 14 dq19 56 dq41 98 dq28 140 dq50 15 dq20 57 dq42 99 dq29 141 dq51 16 dq21 58 dq43 100 dq30 142 dq52 17 dq22 59 dq44 101 dq31 143 dq53 18 dq23 60 dq54 102 dq32 144 dq63 19 v cc 61 v cc 103 v cc 145 v cc 20 dq24 62 dq55 104 dq33 146 dq64 21 dq25 63 dq56 105 dq34 147 dq65 22 dq26 64 dq57 106 dq35 148 dq66 23 msize0_n# 65 dq58 107 msize1_n# 149 dq67 24 a0 66 dq59 108 a5 150 dq68 25 a1 67 v ss 109 a6 151 v ss 26 a2 68 dq60 110 a7 152 dq69 27 a3 69 dq61 111 a8 153 dq70 28 a4 70 dq62 112 a9 154 dq71 29 v ss 71 dq72 113 v ss 155 dq81 30 a10 72 dq73 114 a15 156 dq82 31 a11 73 v cc 115 a16 157 v cc 32 a12 74 dq74 116 a17 158 dq83 33 a13 75 dq75 117 a18/nc 159 dq84 34 a14 76 dq76 118 a19/nc 160 dq85 35 v cc 77 dq77 119 v cc 161 dq86 36 z0_ce0# 78 dq78 120 z0_ce1# 162 dq87 37 z1_ce0# / nc 79 v ss 121 z1_ce1# / nc 163 v ss 38 z0__wel# 80 dq79 122 z0_weh# 164 dq88 39 z1_wel# / nc 81 dq80 123 z1_weh# / nc 165 dq89 40 adsp# 82 av0_ce0_n# 124 mode# 166 av1_ce0_n# 41 z0_oe0# 83 av0_ce1_n# 125 z0_oe1# 167 av1_ce1_n# 42 z1_oe0# / nc 84 v cc 126 z1_oe1# / nc 168 v cc note : 1. av0_ce0_n#, msize0_n#, and msize1_n# are all grounded through a 10 ohms resistor.
sm390hgsfn3uguu september 28, 1998 c orporate headquarters: 4305 cushing pkwy., fremont, ca 94538, usa ?tel:(510) 623-1231 ?fax:(510) 623-1434 ?e-mail: info@smartm.com europe: 36 linford forum, rockingham dr., linford wood, milton keynes, mk14 6ly, uk ?tel: + 44-1908 234030 ?fax: + 44-1908-234191 asia/paci?: suite 6a, 64 canning hwy., victoria park, perth, wa 6106, australia ?tel: + 61-9-361-9705 ?fax: + 61-9-361-9715 4 smart modular technologies physical dimensions 168-pin dimm module ( all dimensions are in millimeters with 0.13mm tolerance unless speci?d otherwise.) 3.00 3.25 11 10 2.00 0.10 3.175 r1.00 0.05 41 40 3.175 4.445 (max.) 3.00 1.27 0.10 4.00 0.10 133.35 0.15 131.35 127.35 1 36.83 54.61 11.43 63.675 8.89 115.57 (ref.) 6.35 43.18 datum note : pin 85 is behind pin 1 on the back side. 4.00 (min.) 22.22 17.8 15.8 6.35 10 11 40 41 84 3.175 detail a detail b detail c detail a : position of technology notch detail b : position of voltage notch 1.00 0.05 detail c : edge connector 1.27 2.50 0.20 0.20 0.15 front view 3.00 0.10 x2
sm390hgsfn3uguu september 28, 1998 c orporate headquarters: 4305 cushing pkwy., fremont, ca 94538, usa ?tel:(510) 623-1231 ?fax:(510) 623-1434 ?e-mail: info@smartm.com europe: 36 linford forum, rockingham dr., linford wood, milton keynes, mk14 6ly, uk ?tel: + 44-1908 234030 ?fax: + 44-1908-234191 asia/paci?: suite 6a, 64 canning hwy., victoria park, perth, wa 6106, australia ?tel: + 61-9-361-9705 ?fax: + 61-9-361-9715 5 smart modular technologies 1 smart modular technologies 2 product category 3 : sram simm / dimm 3 module data bus width 90 : x90 4 module address depth h : 512k 5 device data width g : x18, bga 6 device feature / customer s : synchronous f : flow-through 7 tag bits n : no tag 8 voltage 3 : 3.3v / standard power 9 sram device manufacturer h : hitachi m : micron n : nec r : sharp s : samsung o : motorola 10 module lead finish g : gold 11 cycle time 10 : 10ns 15 : 15ns 20 : 20ns sm 3 90 h g sf n 3 u g uu 1 2 3 4 5 6 7 8 9 10 11 ordering information note : ??in the part number should be replaced by user speci?d option.
sm390hgsfn3uguu september 28, 1998 c orporate headquarters: 4305 cushing pkwy., fremont, ca 94538, usa ?tel:(510) 623-1231 ?fax:(510) 623-1434 ?e-mail: info@smartm.com europe: 36 linford forum, rockingham dr., linford wood, milton keynes, mk14 6ly, uk ?tel: + 44-1908 234030 ?fax: + 44-1908-234191 asia/paci?: suite 6a, 64 canning hwy., victoria park, perth, wa 6106, australia ?tel: + 61-9-361-9705 ?fax: + 61-9-361-9715 6 smart modular technologies disclaimer: no part of this document may be copied or reproduced in any form or by any means, or transferred to any third party, without the prior written consent of an authorized representative of smart modular technologies, inc. (?mart?. the information in this document is subject to change without notice. smart assumes no responsibility for any errors or omissions that may appear in this document, and disclaims responsibility for any consequences resulting from the use of the information set forth herein. smart makes no commitments to update or to keep current information contained in this document. the products listed in this document are not suitable for use in applications such as, but not limited to, aircraft control systems, aerospa ce equipment, submarine cables, nuclear reactor control systems and life support systems. moreover, smart does not recom- mend or approve the use of any of its products in life support devices or systems or in any application where failure could result in injury or death. if a customer wishes to use smart products in applications not intended by smart, said customer must contact an authorized smart representative to determine smart s willingness to support a given application. the information set forth in this document does not convey any license under the copyrights, patent rights, trademarks or other intellectual property rights claimed and owned by smart. the information set forth in this document is considered to be ?roprietary?and ?on?ential?property owned by smart. all products sold by smart are covered by the provisions appearing in smart? terms and conditions of sale only, including the limitations of liability, warranty and infringe- ment provisions. smart makes no warranties of any kind, express, statutory, implied or otherwise, regarding information set forth herein or regarding the freedom of the described products from intellectual property infringement, and expressly disclaims any such warranties including without limitation any express, statutory or implied war- ranties of merchantability or fitness for a particular purpose. ?996 smart modular technologies, inc. all rights reserved.
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