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8mx72 bits pc100 sdram so dimm based on 8mx8 sdram with lvttl, 4 banks & 4k refresh hym7v75a801b z - series this document is a general product description and is subject to change without notice. hyundai electronics does not assume any responsibility for use of circuits described. no patent licenses are implied. rev. 1.0/jun. 9 9 ? 199 9 hyundai electronics description the hyundai hym7v75a801b z - series are 8mx72bits ecc synchronous dram modules. the modules are composed of nine 8mx8bit cmos synchronous drams in 400mil 54pin tsop - ii package and 2kbit eeprom in 8pin tssop package on a 144pin glass - epoxy prin ted circuit board. a 0.22uf and a 0.0022uf decoupling capacitors per each sdram are mounted on the pcb. the hym7v75a801b z - series are small outline dual in - line memory modules suitable for easy interchange and addition of 64mbytes memory. the hym7v75a801b z - series are offering fully synchronous operation referenced to a positive edge of the clock. all inputs and outputs are synchronized with the rising edge of the clock input. the data paths are internally pipelined to achieve very high bandwidth. featu res pc100mhz support 144pin sdram so dimm serial presence detect with eeprom 1.50 ? (38.10mm) height pcb with double sided components single 3.3 0.3v power supply all devices pins are compatible with lvttl interface data mask function by dqm sdra m internal banks : four banks module bank : one physical bank auto refresh and self refresh 4096 refresh cycles / 64ms programmable burst length and burst type - . 1, 2, 4, 8, or full page for sequential burst - . 1, 2, 4 or 8 for interleave burst progr ammable /cas latency - . 2, 3 clocks ordering information part no. max. frequency internal bank ref. power sdram package plating hym7v75a801btzg - 8 125mhz hym7v75a801btzg - 10p 100mhz hym7v75a801btzg - 10s 100mhz normal hym7v75a801bltzg - 8 125mhz hym7v75a801bltzg - 10p 100mhz hym7v75a801bltzg - 10s 100mhz 4 banks 4k low power tsop - ii gold
pc100 sdram so dimm hym7v75a801b z - series rev. 1.0/jun.99 2 pin description p in n ame d escription ck0 , ck1 clock inputs the system clock input . all other inputs are registered to the sdram on the rising edge of clk. cke0 clock enable c ontrols internal clock signal and when deactivated, the sdram will be one of the states among power down, suspend or self refresh. /s0 chip select enables or disables all inputs except ck, cke and dqm. ba0, ba1 sdram bank address select bank to be activated during /ras activity. select bank to be read/written during /cas activity a0~a11 address inputs row address : ra0~ra11, column address : ca0~ca7 auto - precharge flag : a10 /ras row address strobe /ras define the operat ion. refer to the function truth table for details. /cas column address strobe /cas define the operation. refer to the function truth table for details. /we write enable /we define the operation. refer to the function truth table for details. dqm0~dqm7 data input/output mask controls output buffers in read mode and masks input data in write mode. dq0~dq63 data input/output multiplexed data input/output pins cb0~cb7 ecc data input/output error checking and correction bits vcc power supply (3.3v) power supply for internal circuits and input/output buffers vss ground ground scl spd clock input serial presence detect clock input sda spd data input/output serial presence detect data i nput /o utput nc no connect no connect or don ? t use
pc100 sdram so dimm hym7v75a801b z - series rev. 1.0/jun.99 3 pin assignments front side back side front side back side pin no. name pin no. name pin no. name pin no. name 1 vss 2 vss 71 nc 72 nc 3 dq0 4 dq32 73 nc 74 ck1 5 dq1 6 dq33 75 vss 76 vss 7 dq2 8 dq34 77 cb2 78 cb6 9 dq3 10 dq35 79 cb3 80 cb7 11 vcc 12 vcc 81 vcc 8 2 vcc 13 dq4 14 dq36 83 dq16 84 dq48 15 dq5 16 dq37 85 dq17 86 dq49 17 dq6 18 dq38 87 dq18 88 dq50 19 dq7 20 dq39 89 dq19 90 dq51 21 vss 22 vss 91 vss 92 vss 23 dqm0 24 dqm4 93 dq20 94 dq52 25 dqm1 26 dqm5 95 dq21 96 dq53 27 vcc 28 vcc 97 dq22 98 d q54 29 a0 30 a3 99 dq23 100 dq55 31 a1 32 a4 101 vcc 102 vcc 33 a2 34 a5 103 a6 104 a7 35 vss 36 vss 105 a8 106 ba0 37 dq8 38 dq40 107 vss 108 vss 39 dq9 40 dq41 109 a9 110 ba1 41 dq10 42 dq42 111 a10/ap 112 a11 43 dq11 44 dq43 113 vcc 114 vcc 45 vcc 46 vcc 115 dqm2 116 dqm6 47 dq12 48 dq44 117 dqm3 118 dqm7 49 dq13 50 dq45 119 vss 120 vss 51 dq14 52 dq46 121 dq24 122 dq56 53 dq15 54 dq47 123 dq25 124 dq57 55 vss 56 vss 125 dq26 126 dq58 57 cb0 58 cb4 127 dq27 128 dq59 59 cb1 60 cb5 129 vcc 130 vcc 131 dq28 132 dq60 voltage key 133 dq29 134 dq61 61 ck0 62 cke0 135 dq30 136 dq62 63 vcc 64 vcc 137 dq31 138 dq63 65 /ras 66 /cas 139 vss 140 vss 67 /we 68 nc 141 sda 142 scl 69 /s0 70 nc 143 vcc 144 vcc
pc100 sdram so dimm hym7v75a801b z - series rev. 1.0/jun.99 4 block diagram note : the ser ial resistor values of dqs are 10 ohms.
pc100 sdram so dimm hym7v75a801b z - series rev. 1.0/jun.99 5 serial presence detect byte function function value number described - 8 - 10p - 10s - 8 - 10p - 10s note byte0 # of bytes written into serial memory at module manufacturer 128 bytes 80h byte1 total # of bytes o f spd memory device 256 bytes 08h byte2 fundamental memory type sdram 04h byte3 # of row addresses on this assembly 1 2 0 c h 1 byte4 # of column addresses on this assembly 9 0 9 h byte5 # of module banks on this assembly 1 bank 0 1 h byte6 data width of this assembly 72 bits 4 8 h byte7 data width of this assembly (continued) - 00h byte8 voltage interface standard of this assembly lvttl 01h byte9 sdram cycle time @ /cas latency=3 8ns 10ns 10ns 80h a0h a0h byte10 access time from clock @ /cas latenc y=3 6ns 6ns 6ns 60h 60h 60h byte11 dimm configuration type ecc 0 2 h byte12 refresh rate/type 15.625 m s / self refresh supported 80h byte13 primary sdram width x8 08 h byte14 error checking sdram width x8 0 8 h byte15 min imum clock delay back to back r andom column address t ccd = 1 clk 01h byte16 burst lengths supported 1,2,4,8,full page 8fh 2 byte17 # of banks on each sdram device 4 banks 0 4 h byte18 sdram device attributes, cas # latency /cas latency=2,3 0 6 h byte19 sdram device attributes, cs # latency /cs latency=0 01h byte20 sdram device attributes, write latency /we latency=0 01h byte21 sdram module attributes neither buffered nor registered 00h byte22 sdram device attributes , general +/ - 10% voltage tolerance, burst read single bit writ e, precharge all, auto precharge, early ras precharge 0 e h byte23 sdram cycle time @ /cas latency=2 10ns 10ns 12ns a0h a0h c0h byte2 4 access time from clock @ /cas latency= 2 6ns 6ns 6ns 60h 60h 60h byte2 5 sdram cycle time @ /cas latency= 1 - - - 00h 00 h 00h byte2 6 access time from clock @ /cas latency= 1 - - - 00h 00h 00h byte2 7 minimum row precharge time (trp) 20ns 20ns 20ns 14h 14h 14h byte2 8 minimum row active to row active delay (trrd) 16ns 20ns 20ns 10h 14h 14h byte2 9 minimum /ras to /cas de lay (trcd) 20ns 20ns 20ns 14h 14h 14h byte 30 minimum /ras pulse width (tras) 48ns 50ns 50ns 30h 32h 32h byte 31 module bank density 64mb 10h byte 32 command and address signal input setup time 2ns 2ns 2ns 20h 20h 20h byte 33 command and address signal input hold time 1ns 1ns 1ns 10h 10h 10h byte 34 data signal input setup time 2ns 2ns 2ns 20h 20h 20h byte 35 data signal input hold time 1ns 1ns 1ns 10h 10h 10h byte 36 ? 61 superset information (may be used in future) - 00h byte 62 spd revision in tel spd 1.2a 12h 3, 8 byte 63 checksum for bytes 0~62 - f1h 17h 37h byte 64 manufacturer jedec id code hyundai jedec id ad h byte 65 ~71 ....manufacturer jedec id code unused ff h byte 72 manufacturing location hei (korea) hea (united states) heu (eur ope) 0 1 h 02h 03h
pc100 sdram so dimm hym7v75a801b z - series rev. 1.0/jun.99 6 continued byte function function value number described - 8 - 10p - 10s - 8 - 10p - 10s note byte 73 manufacturer ? s part number (component) 7 (sdram) 37 h 4, 5 byte 74 manufacturer ? s part number (voltage interface) v (3.3v, lvttl) 56 h 4, 5 byte 75 manufacturer ? s part number (data width) 7 37 h 4, 5 byte 76 ....manufacturer ? s part number (data width) 5 35 h 4, 5 byte 77 manufacturer ? s part number (ecc) a 41h 4, 5 byte 78 manufacturer ? s part number (memory depth) 8 38h 4, 5 byte 79 manufacturer ? s part number (refresh) 0 (4k refresh) 30 h 4, 5 byte 80 manufacturer ? s part number (internal banks) 1 (4 banks) 31h 4, 5 byte 81 manufacturer ? s part number (generation) b 42h 4, 5 byte 82 manufacturer ? s part number (package type) t (tsopii) 54h 4, 5 byte 83 manufacturer ? s part number (module type) z (x8 based so dimm) 5a h 4, 5 byte 84 manufacturer ? s part number (plating type) g (gold) 47 h 4, 5 byte 85 manufacturer ? s part number (hyphen) - (hyphen) 2d h 4, 5 byte 86 manufacturer ? s part number (min. cycle tim e) 8 1 1 38h 31h 31h 4, 5 byte 87 ....manufacturer ? s part number (min. cycle time) blank 0 0 20h 30h 30h 4, 5 byte 88 ....manufacturer ? s part number (min. cycle time) blank p s 20h 50h 53h 4, 5 byte 89 ~90 manufacturer ? s part number blanks 20h 4, 5 by te91 revision code (for component) process code - 4, 6 byte92 ....revision code (for pcb) process code - 4, 6 byte93 manufacturing date work week - 3, 6 byte94 ....manufacturing date year - 3, 6 byte95 ~98 assembly serial number serial number - 6 byte99 ~125 manufacturer specific data (may be used in future) none 00h byte126 system frequency support 100mhz 64h 8 byte127 intel specification details for 100mhz support refer to note7 c7h c7h c5h 7, 8 byte128 ~256 unused storage locations - 00h note: 1. the bank address is excluded. 2. 1,2,4,8 for interleave burst type 3. bcd adopted. 4. ascii adopted. 5. basically hyundai writes part no. except for ` hym ` in byte 73 - 90 to use the limited 18 bytes from byte 73 to 90 ef ficiently. 6. not fixed but dependent. 7. clk0, ck1 connected on the dimm, tbd junction temp, cl2(3) support, intel defined concurrent auto precharge support 8. refer to intel spd specification rev.1.2a. byte82~89 for l - part (hym7v75a801b ltzg) byte function function value number described - 8 - 10p - 10s - 8 - 10p - 10s note byte 82 manufacturer ? s part number (power) l (low power) 4ch 4, 5 byte 83 manufacturer ? s part number (package type) t (tsopii) 54h 4, 5 byte 84 manufacturer ? s part number (module type) z (x8 based so dimm) 5a h 4, 5 byte 85 manufacturer ? s part number (plating type) g (gold) 47 h 4, 5 byte 86 manufacturer ? s part number (hyphen) - (hyphen) 2d h 4, 5 byte 87 manufacturer ? s part number (min. cycle time) 8 1 1 38h 31h 31h 4, 5 by te 88 ....manufacturer ? s part number (min. cycle time) blank 0 0 20h 30h 30h 4, 5 byte 89 ....manufacturer ? s part number (min. cycle time) blank p s 20h 50h 53h 4, 5
pc100 sdram so dimm hym7v75a801b z - series rev. 1.0/jun.99 7 absolute maximum ratings p arameter symbol rating unit ambient temperature ta 0 ~ 70 c storage temperature tstg - 55 ~ 125 c voltage on any pin relative to vss vin, vout - 1.0 ~ 4.6 v voltage on vdd relative to vss vdd, vddq - 1.0 ~ 4.6 v short circuit output current ios 50 ma power dissipation pd 9 w soldering temperature time tsold er 260 10 c sec note : operation at above absolute maximum can adversely affect device reliability. dc operating condition (ta = 0 to 70 c ) p arameter symbol min typ. max unit note power supply voltage vcc 3.0 3.3 3.6 v 1 input high voltage vih 2.0 3.0 vcc + 2.0 v 1, 2 input low voltage vil vss ? 2.0 0 0.8 v 1, 3 note : 1. all voltage are referenced to vss = 0v. 2. vih (max) is acceptable 5.6v ac pulse width with 3ns of duration. 3. vil (min) is acceptable ? 2.0v ac pulse width w ith 3ns of duration. ac operating condition (ta = 0 to 70 c , vdd = 3.3 0.3v, vss = 0v) p arameter symbol value unit ac input high / low level voltage vih / vil 2.4 / o.4 v input timing measurement reference level voltage vtrip 1.4 v input rise / fall time tr / tf 1 ns output timing measurement reference level voltage voutref 1.4 v output load capacitance for access time measurement cl *note pf note : *. output load to measure access time is equivalent to two ttl gates and one capacitor (50pf). for details, refer to ac/dc output circuit.
pc100 sdram so dimm hym7v75a801b z - series rev. 1.0/jun.99 8 capacitance (ta = 25 c , f = 1mhz) p arameter pin symbol min max typ. unit ck0, ck1 cin1 - 50 - pf cke0 cin2 - 65 - pf /s0 cin3 - 65 - pf a0~a11, ba0, ba1 cin4 - 65 - pf /ras , /cas, /we cin5 - 65 - pf input capacitance dqm0~dqm7 cin6 - 20 - pf data input/output capacitance dq0~dq63, cb0~cb7 ci/o - 18 - pf output load circuit
pc100 sdram so dimm hym7v75a801b z - series rev. 1.0/jun.99 9 dc characteristics i (ta = 0 to 70 c , vdd = 3.3 0.3v) p arameter symbol min max unit note input leakage c urrent ili - 9 9 ua 1 output leakage current ilo - 1 1 ua 2 output high voltage voh 2.4 - v ioh = - 4ma output low voltage vol - 0.4 v iol = +4ma note : 1. vin = 0 to 3.6v. all other pins are not tested under vin = 0v. 2. dout is disabled. vout = 0 to 3.6v. dc characteristics ii (ta = 0 to 70 c , vdd = 3.3 0.3v, vss = 0v) speed p arameter symbol test condition - 8 - 10p - 10s unit note operating current idd1 burst length = 1, one bank active trc 3 trc(min), iol = 0ma 720 630 630 ma 1 idd2p cke vil(max), tck = min 18 ma precha rge standby current in power down mode idd2ps cke vil(max), tck = 18 ma idd2n cke 3 vih(min), /cs 3 vih(min), tck = min input signals are changed one time durin g 2clks. all other pins 3 vdd ? 0.2v or 0.2v 135 ma precharge standby current in non power down mode idd2ns cke 3 vih(max), tck = input signals are stable. 135 ma idd3p cke vil(max), tck = min 45 ma active standby current in power down mode idd3ps cke vil(max), tck = 45 ma idd3n cke 3 vih(min), /cs 3 vih(min), tck = min input signals are changed one time during 2clks. all other pins 3 vdd ? 0.2v or 0.2v 270 ma active stan dby current in non power down mode idd3ns cke 3 vih(max), tck = input signals are stable. 270 ma cl = 3 990 810 810 burst mode operating current idd4 tck 3 tck(min), iol = 0ma all banks active cl = 2 810 810 810 ma 1 auto refresh current idd5 trrc 3 trrc(min), all banks active 1800 1620 1620 ma 2 18 ma self refresh current idd6 cke 0.2v 4.5 ma 3 note : 1. idd1 and idd4 depend on output loading and cycle rates. specified values are measured with the output open. 2. min. of trrc (refresh /ras cycle time) is shown at ac characteristics ii. 3. l - part (hym7v75a801bltzg)
pc100 sdram so dimm hym7v75a801b z - series rev. 1.0/jun.99 10 ac characterist ics i (ac operating conditions unless otherwise noted) - 8 - 10p - 10s p arameter symbol min max min max min max unit note /cas latency = 3 tck3 8 10 10 system clock cycle time /cas latency = 2 tck2 10 1000 10 1000 12 1000 ns clock high pulse w idth tchw 3 - 3 - 3 - ns i clock low pulse width tclw 3 - 3 - 3 - ns i /cas latency = 3 tac3 - 6 - 6 - 6 access time from clock /cas latency = 2 tac2 - 6 - 6 - 6 ns 2 data - out hold time toh 3 - 3 - 3 - ns data - input setup time tds 2 - 2 - 2 - ns 1 data - input hold time tdh 1 - 1 - 1 - ns 1 address setup time tds 2 - 2 - 2 - ns 1 address hold time tdh 1 - 1 - 1 - ns 1 cke setup time tds 2 - 2 - 2 - ns 1 cke hold time tdh 1 - 1 - 1 - ns 1 command setup time tds 2 - 2 - 2 - ns 1 command hold tim e tdh 1 - 1 - 1 - ns 1 clk to data output in low - z time tolz 1 - 1 - 1 - ns /cas latency = 3 tohz3 3 6 3 6 3 6 clk to data output in high - z time /cas latency = 2 tohz2 3 6 3 6 3 6 ns note : 1. assume tr / tf (input rise and fall time) is 1ns. 2. access times to be measured with input signals of 1v/ns edge rate.
pc100 sdram so dimm hym7v75a801b z - series rev. 1.0/jun.99 11 ac characteristics ii - 8 - 10p - 10s p arameter symbol min max min max min max unit note operation trc 68 70 70 /ras cycle time auto refresh trrc 68 - 70 - 70 - ns /r as to /cas delay trcd 20 - 20 - 20 - ns /ras active time tras 48 100k 50 100k 50 100k ns /ras precharge time trp 20 - 20 - 20 - ns /ras to /ras bank active delay trrd 16 - 20 - 20 - ns /cas to /cas delay tccd 1 - 1 - 1 - clk write command to data - in delay twtl 0 - 0 - 0 - clk data - in to precharge command tdpl 1 - 1 - 1 - clk data - in to active command tdal 4 - 3 - 3 - clk dqm to data - out hi - z tdqz 2 - 2 - 2 - clk dqm to data - in mask tdqm 0 - 0 - 0 - clk mrs to new command tmrd 2 - 2 - 2 - clk /cas latency = 3 tproz3 3 - 3 - 3 - precharge to data output hi - z /cas latency = 2 tproz2 2 - 2 - 2 - clk power down exit time tpde 1 - 1 - 1 - clk self refresh exit time tsre 1 - 1 - 1 - clk 1 refresh time tref - 64 - 64 - 64 ms note : 1. a new command can be given trrc after self refresh exit.
pc100 sdram so dimm hym7v75a801b z - series rev. 1.0/jun.99 12 operating option table hym7v75a801btzg - 8 / hym7v75a801bltzg - 8 /cas latency trcd tras trc trp tac toh 125mhz (8.0ns) 3clks 3clks 6clks 9clks 3clks 6ns 3ns 100mhz (10.0ns) 2clks 2clks 5clks 7clks 2clks 6ns 3ns 83mhz (12.0ns) 2clks 2clks 4clks 6clks 2clks 6ns 3ns hym7v75a801btzg - 10p / hym7v75a801bltzg - 10p /cas latency trcd tras trc trp tac toh 100mhz (10.0ns) 2clks 2clks 5clks 7clks 2clks 6ns 3ns 83mhz (12.0ns) 2clks 2clks 5clks 7clks 2clks 6ns 3ns 66mhz (15.0ns) 2clks 2clks 4clks 6clks 2clks 6ns 3ns hym7v75a801btzg - 10s / hym7v75a801bltzg - 10s /cas latency trcd tras trc trp tac toh 100mhz (10.0ns) 3clks 2clks 5clks 7clks 2clks 6ns 3ns 83mhz (12.0ns) 2clks 2clks 5clks 7clks 2clks 6 ns 3ns 66mhz (15.0ns) 2clks 2clks 4clks 6clks 2clks 6ns 3ns
pc100 sdram so dimm hym7v75a801b z - series rev. 1.0/jun.99 13 command truth table cken - 1 cken /cs /ras /cas /we dqm addr a10/ ap ba note mode register set h x l l l l x op code h x x x no operation h x l h h h x x bank active h x l l h h x ra v read l read with autoprecharge h x l h l h x ca h v write l write with autoprecharge h x l h l l x ca h v precharge all banks h x precharge selected bank h x l l h l x x l v burst stop h x l h h l x x dqm h x v x auto refresh h h l l l h x x entry h l l l l h x h x x x self refresh exit l h l h h h x x 1 h x x x entry h l l h h h x h x x x precharge power down exit l h l h h h x x h x x x entry h l l v v v x clock suspend exit l h x x x note : 1. existing self refresh occurs by asynchronously bringing cke from low to high. 2. x = don ? t care, h = logic high, l = logic low, ba = bank address, ca = column address, op code = operand code, nop = no operation
pc100 sdram so dimm hym7v75a801b z - series rev. 1.0/jun.99 14 package dimensions

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