1 32, 48, 64, 128 meg x 16/18 rambus rimm modules micron technology, inc., reserves the right to change products or specifications without notice. rm01.p65 C rev. 9/99 ? 1999, micron technology, inc. 32, 48, 64, 128 meg x 16/18 rambus rimm modules advance pin front pin back pin front pin back 1 gnd 93 gnd 47 nc 139 nc 2 ldqa8* 94 ldqa7 48 nc 140 nc 3 gnd 95 gnd 49 nc 141 nc 4 ldqa6 96 ldqa5 50 nc 142 nc 5 gnd 97 gnd 51 v ref 143 v ref 6 ldqa4 98 ldqa3 52 gnd 144 gnd 7 gnd 99 gnd 53 scl 145 sa0 8 ldqa2 100 ldqa1 54 v dd 146 v dd 9 gnd 101 gnd 55 sda 147 sa1 10 ldqa0 102 lcfm 56 sv dd 148 sv dd 11 gnd 103 gnd 57 swp 149 sa2 12 lctmn 104 lcfmn 58 v dd 150 v dd 13 gnd 105 gnd 59 rsck 151 rcmd 14 lctm 106 nc 60 gnd 152 gnd 15 gnd 107 gnd 61 rdqb7 153 rdqb8* 16 nc 108 lrow2 62 gnd 154 gnd 17 gnd 109 gnd 63 rdqb5 155 rdqb6 18 lrow1 110 lrow0 64 gnd 156 gnd 19 gnd 111 gnd 65 rdqb3 157 rdqb4 20 lcol4 112 lcol3 66 gnd 158 gnd 21 gnd 113 gnd 67 rdqb1 159 rdqb2 22 lcol2 114 lcol1 68 gnd 160 gnd 23 gnd 115 gnd 69 rcol0 161 rdqb0 24 lcol0 116 ldqb0 70 gnd 162 gnd 25 gnd 117 gnd 71 rcol2 163 rcol1 26 ldqb1 118 ldqb2 72 gnd 164 gnd 27 gnd 119 gnd 73 rcol4 165 rcol3 28 ldqb3 120 ldqb4 74 gnd 166 gnd 29 gnd 121 gnd 75 rrow1 167 rrow0 30 ldqb5 122 ldqb6 76 gnd 168 gnd 31 gnd 123 gnd 77 nc 169 rrow2 32 ldqb7 124 ldqb8* 78 gnd 170 gnd 33 gnd 125 gnd 79 rctm 171 nc 34 lsck 126 lcmd 80 gnd 172 gnd 35 v cmos 127 v cmos 81 rctmn 173 rcfmn 36 sout 128 sin 82 gnd 174 gnd 37 v cmos 129 v cmos 83 rdqa0 175 rcfm 38 nc 130 nc 84 gnd 176 gnd 39 gnd 131 gnd 85 rdqa2 177 rdqa1 40 nc 132 nc 86 gnd 178 gnd 41 v dd 133 v dd 87 rdqa4 179 rdqa3 42 v dd 134 v dd 88 gnd 180 gnd 43 nc 135 nc 89 rdqa6 181 rdqa5 44 nc 136 nc 90 gnd 182 gnd 45 nc 137 nc 91 rdqa8* 183 rdqa7 46 nc 138 nc 92 gnd 184 gnd *nonfunctional on x16 devices. pin assignment rambus ? rimm ? module 184-pin rimm module features ? 184-pin rimm? module, 1mm pin spacing ? 32 meg x 16/18 (64mb/72mb), 48 meg x 16/18 (96mb/108mb), 64 meg x 16/18 (128mb/144mb), 128 meg x 16/18 (256mb/288mb) ? uses (4, 6, 8, or 16) 8 meg x 16/18 direct rdram ? devices ? high-speed 356 mhz and 400 mhz clocks with 2x data rates ? 1.6 gb/s peak i/o bandwidth ? rambus ? signaling level (rsl) using differential 356 mhz and 400 mhz transmit and receive clocks ? packet-oriented rambus protocol transmitted in 8-bit-long packets ? separate control and data buses for increased data bandwidth capability ? control bus with separate row and column buses for easier command scheduling ? programmable output delay timing for round-trip delay of one to five cycles ? write buffer to reduce read latency ? three precharge mechanisms for controller flexibility ? programmable power states for flexibility in power consumption versus data access time ? power-down self refresh and active refresh ? 32ms, 16,384 cycle refresh ? 2.5v power supply with 1.8v cmos supply for i/os options marking ? package 184-pin rimm module (gold) g ? timing (cycle time) 356 mhz clock rate, access time = 50ns -750 356 mhz clock rate, access time = 45ns -745 400 mhz clock rate, access time = 50ns -850 400 mhz clock rate, access time = 45ns -845 400 mhz clock rate, access time = 40ns -840 ? component revision designator alpha character factory defined ? printed circuit board revision designator numeric character factory defined micron is a registered trademark of micron technology, inc. rambus and rdram are registered trademarks and rimm is a trademark of rambus inc. mt4vr3216a, mt4vr3218a, mt6vr4816a, mt6vr4818a, mt8vr6416a, mt8vr6418a, mt16vr12816a, mt16vr12818a for the latest data sheet revisions, please refer to the micron web site: www.micron.com/mti/msp/html/datasheet.html
2 32, 48, 64, 128 meg x 16/18 rambus rimm modules micron technology, inc., reserves the right to change products or specifications without notice. rm01.p65 C rev. 9/99 ? 1999, micron technology, inc. 32, 48, 64, 128 meg x 16/18 rambus rimm modules advance general description the mt4vr3216/18a, mt6vr4816/18a, mt8vr6416/ 18a and mt16vr12816/18a rdram rimm modules are general-purpose, high-performance, packet-oriented, dy- namic random-access memories configured as 64mb/72mb, 96mb/108mb, 128/144mb and 256mb/288mb densities. the rimm modules consist of 4, 6, 8, or 16 direct rdram devices organized as 8m words by 16 or 18 bits. the rimm modules use rambus signaling level (rsl) technology to achieve 356 mhz or 400 mhz clock speeds using differential clocks. control and i/o data is trans- ferred on both the rising and falling edges of the clock. this allows data transfers at 1.25ns per two bytes (10ns per 16 bytes) during peak operation. all dram commands are communicated to the rimm modules through a 3-bit row or 5-bit column bus inpackets which are 8 bits in length. these packets are then decoded on the rdram into the operation and address requiring access. initialization and mode configurations for the rimm modules are accessed through slow speed cmos serial i/ o interface. the architecture of direct rdrams allows high sus- tained bandwidth memory transactions for multiple, si- multaneous, semi-random addresses. each direct rdrams thirty-two banks can support up to four simultaneous transactions (within bank restrictions). system-oriented features include power management, byte masking and x16/18 organization. the two data bits in the x18 organization are general and can be used for addi- tional storage, bandwidth, or for error correction. part numbers part number configuration clk freq. access (mhz) time (ns) mt4vr3216ag-750__ 32 meg x 16 356 50 mt4vr3216ag-745__ 32 meg x 16 356 45 mt4vr3216ag-850__ 32 meg x 16 400 50 mt4vr3216ag-845__ 32 meg x 16 400 45 mt4vr3216ag-840__ 32 meg x 16 400 40 mt4vr3218ag-750__ 32 meg x 18 356 50 mt4vr3218ag-745__ 32 meg x 18 356 45 mt4vr3218ag-850__ 32 meg x 18 400 50 mt4vr3218ag-845__ 32 meg x 18 400 45 mt4vr3218ag-840__ 32 meg x 18 400 40 mt6vr4816ag-750__ 48 meg x 16 356 50 mt6vr4816ag-745__ 48 meg x 16 356 45 mt6vr4816ag-850__ 48 meg x 16 400 50 mt6vr4816ag-845__ 48 meg x 16 400 45 mt6vr4816ag-840__ 48 meg x 16 400 40 mt6vr4818ag-750__ 48 meg x 18 356 50 mt6vr4818ag-745__ 48 meg x 18 356 45 mt6vr4818ag-850__ 48 meg x 18 400 50 mt6vr4818ag-845__ 48 meg x 18 400 45 mt6vr4818ag-840__ 48 meg x 18 400 40 mt8vr6416ag-750__ 64 meg x 16 356 50 mt8vr6416ag-745__ 64 meg x 16 356 45 mt8vr6416ag-850__ 64 meg x 16 400 50 mt8vr6416ag-845__ 64 meg x 16 400 45 mt8vr6416ag-840__ 64 meg x 16 400 40 mt8vr6418ag-750__ 64 meg x 18 356 50 mt8vr6418ag-745__ 64 meg x 18 356 45 mt8vr6418ag-850__ 64 meg x 18 400 50 mt8vr6418ag-845__ 64 meg x 18 400 45 mt8vr6418ag-840__ 64 meg x 18 400 40 mt16vr12816ag-750__ 128 meg x 16 356 50 mt16vr12816ag-745__ 128 meg x 16 356 45 mt16vr12816ag-850__ 128 meg x 16 400 50 mt16vr12816ag-845__ 128 meg x 16 400 45 mt16vr12816ag-840__ 128 meg x 16 400 40 mt16vr12818ag-750__ 128 meg x 18 356 50 mt16vr12818ag-745__ 128 meg x 18 356 45 mt16vr12818ag-850__ 128 meg x 18 400 50 mt16vr12818ag-845__ 128 meg x 18 400 45 mt16vr12818ag-840__ 128 meg x 18 400 40 note : all part numbers end with a two-place code (not shown), designating component and pcb revisions. consult factory for current revision codes. example: mt8vr6416ag-750 b1
3 32, 48, 64, 128 meg x 16/18 rambus rimm modules micron technology, inc., reserves the right to change products or specifications without notice. rm01.p65 C rev. 9/99 ? 1999, micron technology, inc. 32, 48, 64, 128 meg x 16/18 rambus rimm modules advance functional block diagram a0 sa0 serial pd sda a1 sa1 a2 sa2 wp scl 47k u0 lcfm lcfmn lctm lctmn lrow2..0 lcol4..0 ldqa8..0 ldqb8..0 sio0 sio1 sck cmd v ref lcfm lcfmn lctm lctmn lrow2..0 lcol4..0 ldqa8..0 ldqb8..0 rcfm rcfmn rctm rctmn rrow2..0 rcol4..0 rdqa8..0 rdqb8..0 un lcfm lcfmn lctm lctmn lrow2..0 lcol4..0 ldqa8..0 ldqb8..0 sio0 sio1 sck cmd v ref u1 lcfm lcfmn lctm lctmn lrow2..0 lcol4..0 ldqa8..0 ldqb8..0 sio0 sio1 sck cmd v ref u2 lcfm lcfmn lctm lctmn lrow2..0 lcol4..0 ldqa8..0 ldqb8..0 sio0 sio1 sck cmd v ref v r e f r c m d r s c k two 0.1 f per rdram 0.1 f v dd gnd one 0.1 f per two rdram v ref gnd one 0.1 f per two rdram v cmos gnd one 0.1 f to spd sv dd gnd module capacity n 256mb 16 128mb 8 96mb 6 64mb 4 note: 1. rambus channel signals form a loop through the rimm module, with the exception of the sio chain. s o u t
4 32, 48, 64, 128 meg x 16/18 rambus rimm modules micron technology, inc., reserves the right to change products or specifications without notice. rm01.p65 C rev. 9/99 ? 1999, micron technology, inc. 32, 48, 64, 128 meg x 16/18 rambus rimm modules advance pin descriptions pin numbers symbol i/o type description 102 lcfm i rsl clock from master: interface clock used for receiving rsl signals from the channel. positive polarity. 104 lcfmn i rsl clock from master: interface clock used for receiving rsl signals from the channel. negative polarity. 12 lctmn i rsl clock to master: interface clock used for transmitting rsl signals from the channel. negative polarity. 14 lctm i rsl clock to master: interface clock used for transmitting rsl signals from the channel. positive polarity. 2, 94, 4, 96, 6, 98, 8, ldqa8..0 i/o rsl data bus a: a 9-bit bus carrying a byte of read or write 100, 10 data between the channel and the rdram. ldqa8 is non-functional on x16 devices. 124, 32, 122, 30, 120, ldqb8..0 i/o rsl data bus b: a 9-bit bus carrying a byte of read or write 28, 118, 26, 116 data between the channel and the rdram. ldqb8 is non-functional on x16 devices. 108, 18, 110 lrow2..0 i rsl row bus: 3-bit bus containing control and address information for row accesses. 20, 112, 22, 114, 24 lcol4..0 i rsl column bus: 5-bit bus containing control and address information for column accesses. 175 rcfm i rsl clock from master: interface clock used for receiving rsl signals from the channel. positive polarity. 173 rcfmn i rsl clock from master: interface clock used for receiving rsl signals from the channel. negative polarity. 81 rctmn i rsl clock to master: interface clock used for transmitting rsl signals from the channel. negative polarity. 79 rctm i rsl clock to master: interface clock used for transmitting rsl signals from the channel. positive polarity. 91, 183, 89, 181, 87, rdqa8..0 i/o rsl data bus a: a 9-bit bus carrying a byte of read or write 179, 85, 177, 83 data between the channel and the rdram. rdqa8 is non-functional on x16 devices. 153, 61, 155, 63, 157, rdqb8..0 i/o rsl data bus b: a 9-bit bus carrying a byte of read or write 65, 159, 67, 161 data between the channel and the rdram. rdqb8 is non-functional on x16 devices. 169, 75, 167 rrow2..0 i rsl row bus: 3-bit bus containing control and address information for row accesses. 73, 165, 71, 163, 69 rcol4..0 i rsl column bus: 5-bit bus containing control and address information for column accesses. 36 s out i/o cmos serial i/o: pin for reading from and writing to the control registers. attaches to sio1 of the last rdram on the module. 128 s in i/o cmos serial i/o: pin for reading from and writing to the control registers. attaches to sio0 of the first rdram on the module.
5 32, 48, 64, 128 meg x 16/18 rambus rimm modules micron technology, inc., reserves the right to change products or specifications without notice. rm01.p65 C rev. 9/99 ? 1999, micron technology, inc. 32, 48, 64, 128 meg x 16/18 rambus rimm modules advance pin descriptions (continued) pin numbers symbol i/o type description 35, 37, 127, 129 v cmos supply voltage for cmos level signals. 126 lcmd i cmos serial command pin: pin used to read from and write to the control registers. also used for power management. 34 lsck i cmos clock input: pin used to read from and write to the control registers. 151 rcmd i cmos serial command input: pin used to read from and write to the control registers. also used for power management. 59 rsck i cmos clock input: pin used to read from and write to the control registers. 53 scl i cmos serial presence-detect clock. 55 sda i/o cmos serial presence-detect data (open collector i/o). 57 swp i cmos serial presence-detect write protect (active high). when low, the spd can be written as well as read. 145 sa0 i cmos serial presence-detect address 0 147 sa1 i cmos serial presence-detect address 1 149 sa2 i cmos serial presence-detect address 2 41, 42, 54, 58, 133, v dd supply voltage for the rdram core and interface logic. 134, 146, 150 56, 148 sv dd spd voltage. used for signals scl, sda, swe, sa0, sa1 and sa2. 51, 143 v ref logic threshold reference voltage for rsl signals. 1, 3, 5, 7, 9, 11, 13, 15, gnd ground reference for rdram core and interface. 17, 19, 21, 23, 25, 27, 29, 31, 33, 39, 52, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 131, 144, 152, 154, 156, 158, 160, 162, 164, 166, 168, 170, 172, 174, 176, 178, 180, 182, 184 16, 38, 40, 43-50, 77, nc (24) no connection. these 24 pins are all reserved for future 106, 130, 132, use. 135-142, 171
6 32, 48, 64, 128 meg x 16/18 rambus rimm modules micron technology, inc., reserves the right to change products or specifications without notice. rm01.p65 C rev. 9/99 ? 1999, micron technology, inc. 32, 48, 64, 128 meg x 16/18 rambus rimm modules advance note: 1. all dimensions in inches (millimeters) max or typical where noted. min 184-pin rimm module (64mb/72mb) 1.255 (31.88) 1.245 (31.62) pin 1 (93 on back) .700 (17.78) .039 (1.00) 0.031 (0.80) .079 (2.00) r (2x) .039 (1.00) r (2x) front view .107 (2.72) max .054 (1.37) .046 (1.17) 5.256 (133.50) 5.244 (133.20) 0.453 (11.50) 1.772 (45.00) pin 92 (184 on back) 4.750 (120.65) 2.175 (55.26) 2.169 (55.10) 3.078 (78.17) ref. 0.2234 (5.675) ref. 184-pin rimm module (96mb/108mb) 1.255 (31.88) 1.245 (31.62) pin 1 (93 on back) .700 (17.78) .039 (1.00) 0.031 (0.80) .079 (2.00) r (2x) .039 (1.00) r (2x) front view .107 (2.72) max .054 (1.37) .046 (1.17) 5.256 (133.50) 5.244 (133.20) 0.453 (11.50) 1.772 (45.00) pin 92 (184 on back) 4.750 (120.65) 2.175 (55.26) 2.169 (55.10) 3.078 (78.17) ref. 0.2234 (5.675) ref.
7 32, 48, 64, 128 meg x 16/18 rambus rimm modules micron technology, inc., reserves the right to change products or specifications without notice. rm01.p65 C rev. 9/99 ? 1999, micron technology, inc. 32, 48, 64, 128 meg x 16/18 rambus rimm modules advance 184-pin rimm module (128mb/144mb) 184-pin rimm module (256mb/288mb) 1.255 (31.88) 1.245 (31.62) pin 1 (93 on back) .700 (17.78) .039 (1.00) 0.031 (0.80) .079 (2.00) r (2x) .039 (1.00) r (2x) front view .107 (2.72) max .054 (1.37) .046 (1.17) 5.256 (133.50) 5.244 (133.20) 0.453 (11.50) 1.772 (45.00) pin 92 (184 on back) 4.750 (120.65) 2.175 (55.26) 2.169 (55.10) 3.078 (78.17) ref. 0.2234 (5.675) ref. 1.255 (31.88) 1.245 (31.62) pin 1 (93 on back) .700 (17.78) .039 (1.00) 0.031 (0.80) .079 (2.00) r (2x) .039 (1.00) r (2x) front view .164 (4.16) max .054 (1.37) .046 (1.17) 5.256 (133.50) 5.244 (133.20) 0.453 (11.50) 1.772 (45.00) pin 92 (184 on back) 4.750 (120.65) 2.175 (55.26) 2.169 (55.10) 3.078 (78.17) ref. 0.2234 (5.675) ref. note: 1. all dimensions in inches (millimeters) max or typical where noted. min
8 32, 48, 64, 128 meg x 16/18 rambus rimm modules micron technology, inc., reserves the right to change products or specifications without notice. rm01.p65 C rev. 9/99 ? 1999, micron technology, inc. 32, 48, 64, 128 meg x 16/18 rambus rimm modules advance 184-pin rimm module 5.010 (127.25) 4.990 (126.75) 1.045 (26.54) .172 (4.37) max front view with heat spreader note: 1. all dimensions in inches (millimeters) max or typical where noted. min 8000 s. federal way, p.o. box 6, boise, id 83707-0006, tel: 208-368-3900 e-mail: prodmktg@micron.com, internet: http://www.micron.com, customer comment line: 800-932-4992 micron is a registered trademark of micron technology, inc.
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