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M464S0424FTS rev.0.0 jun. 2001 pc133/pc100 sodimm the samsung M464S0424FTS is a 4m bit x 64 synchronous dynamic ram high density memory module. the samsung M464S0424FTS consists of four cmos 4m x 16 bit with 4banks synchronous drams in tsop-ii 400mil package and a 2k eeprom in 8-pin tssop package on a 144-pin glass- epoxy substrate. three 0.1uf decoupling capacitors are mounted on the printed circuit board in parallel for each sdram. the M464S0424FTS is a small outline dual in-line memory module and is intended for mounting into 144-pin edge connector sockets. synchronous design allows precise cycle control with the use of system clock. i/o transactions are possible on every clock cycle. range of operating frequencies, programmable laten- cies allows the same device to be useful for a variety of high bandwidth, high performance memory system applications. ? performance range ? burst mode operation ? auto & self refresh capability (4096 cycles/64ms) ? lvttl compatible inputs and outputs ? single 3.3v 0.3v power supply ? mrs cycle with address key programs latency (access from column address) burst length (1, 2, 4, 8 & full page) data scramble (sequential & interleave) ? all inputs are sampled at the positive going edge of the system clock ? serial presence detect with eeprom ? pcb : height (1,000mil) , double sided component part no. max freq. (speed) M464S0424FTS-l7a/c7a 133mhz (7.5ns @ cl=3) M464S0424FTS-l1h/c1h 100mhz (10ns @ cl=2) M464S0424FTS-l1l/c1l 100mhz (10ns @ cl=3) feature general description M464S0424FTS sdram sodimm 4mx64 sdram sodimm based on 4mx16, 4banks, 4k refresh, 3.3v synchronous drams with spd pin names * these pins are not used in this module. ** these pins should be nc in the system which does not support spd. pin name function a0 ~ a11 address input (multiplexed) ba0 ~ ba1 select bank dq0 ~ dq63 data input/output clk0 clock input cke0 clock enable input cs0 chip select input ras row address strobe cas column address strobe we write enable dqm0 ~ 7 dqm v dd power supply (3.3v) v ss ground sda serial data i/o scl serial clock du don t use nc no connection samsung electronics co., ltd. reserves the right to change products and specifications without notice. pin configurations (front side/back side) pin front pin back pin front pin back pin front pin back 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 v ss dq0 dq1 dq2 dq3 v dd dq4 dq5 dq6 dq7 v ss dqm0 dqm1 v dd a0 a1 a2 v ss dq8 dq9 dq10 dq11 v dd dq12 dq13 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 v ss dq32 dq33 dq34 dq35 v dd dq36 dq37 dq38 dq39 v ss dqm4 dqm5 v dd a3 a4 a5 v ss dq40 dq41 dq42 dq43 v dd dq44 dq45 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 dq14 dq15 v ss nc nc clk0 v dd ras we cs0 * cs1 du v ss nc nc v dd dq16 dq17 dq18 dq19 v ss dq20 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 dq46 dq47 v ss nc nc cke0 v dd cas *cke1 *a12 *a13 *clk1 v ss nc nc v dd dq48 dq49 dq50 dq51 v ss dq52 95 97 99 101 103 105 107 109 111 113 115 117 119 121 123 125 127 129 131 133 135 137 139 141 143 dq21 dq22 dq23 v dd a6 a8 v ss a9 a10/ap v dd dqm2 dqm3 v ss dq24 dq25 dq26 dq27 v dd dq28 dq29 dq30 dq31 v ss **sda v dd 96 98 100 102 104 106 108 110 112 114 116 118 120 122 124 126 128 130 132 134 136 138 140 142 144 dq53 dq54 dq55 v dd a7 ba0 v ss ba1 a11 v dd dqm6 dqm7 v ss dq56 dq57 dq58 dq59 v dd dq60 dq61 dq62 dq63 v ss **scl v dd voltage key
M464S0424FTS rev.0.0 jun. 2001 pc133/pc100 sodimm pin configuration description pin name input function clk system clock active on the positive going edge to sample all inputs. cs chip select disables or enables device operation by masking or enabling all inputs except clk, cke and dqm cke clock enable masks system clock to freeze operation from the next clock cycle. cke should be enabled at least one cycle prior to new command. disable input buffers for power down in standby. cke should be enabled 1clk+t ss prior to valid command. a0 ~ a11 address row/column addresses are multiplexed on the same pins. row address : ra0 ~ ra11, column address : ca0 ~ ca7 ba0 ~ ba1 bank select address selects bank to be activated during row address latch time. selects bank for read/write during column address latch time. ras row address strobe latches row addresses on the positive going edge of the clk with ras low. enables row access & precharge. cas column address strobe latches column addresses on the positive going edge of the clk with cas low. enables column access. we write enable enables write operation and row precharge. latches data in starting from cas , we active. dqm0 ~ 7 data input/output mask makes data output hi-z, t shz after the clock and masks the output. blocks data input when dqm active. (byte masking) dq 0 ~ 63 data input/output data inputs/outputs are multiplexed on the same pins. v dd /v ss power supply/ground power and ground for the input buffers and the core logic.
M464S0424FTS rev.0.0 jun. 2001 pc133/pc100 sodimm functional block diagram v dd vss three 0.1uf x7r 0603 capacitors to all sdrams cs0 dqm0 dqm1 dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 u0 dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 dq8 dq9 dq10 dq11 dq12 dq13 dq14 dq15 dq8 dq9 dq10 dq11 dq12 dq13 dq14 dq15 ldqm cs udqm dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 u2 dq32 dq33 dq34 dq35 dq36 dq37 dq38 dq39 dq8 dq9 dq10 dq11 dq12 dq13 dq14 dq15 dq40 dq41 dq42 dq43 dq44 dq45 dq46 dq47 ldqm cs udqm clk1 10 w 10 pf dqm2 dqm3 dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 u1 dq16 dq17 dq18 dq19 dq20 dq21 dq22 dq23 dq8 dq9 dq10 dq11 dq12 dq13 dq14 dq15 dq24 dq25 dq26 dq27 dq28 dq29 dq30 dq31 ldqm cs udqm dqm7 dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 u3 dq48 dq49 dq50 dq51 dq52 dq53 dq54 dq55 dq8 dq9 dq10 dq11 dq12 dq13 dq14 dq15 dq56 dq57 dq58 dq59 dq60 dq61 dq62 dq63 ldqm cs udqm a0 ~ a11, ba0 & 1 cke0 ras cas we sdram u0 ~ u3 sdram u0 ~ u3 sdram u0 ~ u3 sdram u0 ~ u3 sdram u0 ~ u3 dqm4 dqm5 dqm6 per each sdram u0 u1 clk0 u2 u3 cke0 sdram u0 ~ u3 dqn every dq pin of sdram 10 w use a zero ohm jumper to isolate a12 from the sdram pins in non-256mbit designs. note : serial pd sda scl sa1 sa2 sa0 wp 47k w
M464S0424FTS rev.0.0 jun. 2001 pc133/pc100 sodimm absolute maximum ratings parameter symbol value unit voltage on any pin relative to vss v in , v out -1.0 ~ 4.6 v voltage on v dd supply relative to vss v dd , v ddq -1.0 ~ 4.6 v storage temperature t stg -55 ~ +150 c power dissipation p d 4 w short circuit current i os 50 ma permanent device damage may occur if "absolute maximum ratings" are exceeded. functional operation should be restricted to recommended operating condition. exposure to higher than recommended voltage for extended periods of time could affect device reliability. note : dc operating conditions and characteristics recommended operating conditions (voltage referenced to v ss = 0v, t a = 0 to 70 c) parameter symbol min typ max unit note supply voltage v dd 3.0 3.3 3.6 v input high voltage v ih 2.0 3.0 v ddq +0.3 v 1 input low voltage v il -0.3 0 0.8 v 2 output high voltage v oh 2.4 - - v i oh = -2ma output low voltage v ol - - 0.4 v i ol = 2ma input leakage current i li -10 - 10 ua 3 capacitance (v dd = 3.3v, t a = 23 c, f = 1mhz, v ref = 1.4v 200 mv) parameter symbol min max unit input capacitance (a 0 ~ a 11 , ba0 ~ ba1) input capacitance ( ras , cas , we ) input capacitance (cke0) input capacitance (clk0) input capacitance ( cs0 ) input capacitance (dqm0 ~ dqm7) data input/output capacitance (dq0 ~ dq63) c in1 c in2 c in3 c in4 c in5 c in6 c out 15 15 15 15 15 10 10 25 25 25 21 25 12 12 pf pf pf pf pf pf pf 1. v ih (max) = 5.6v ac.the overshoot voltage duration is 3ns. 2. v il (min) = -2.0v ac. the undershoot voltage duration is 3ns. 3. any input 0v v in v ddq . input leakage currents include hi-z output leakage for all bi-directional buffers with tri-state outputs. notes :
M464S0424FTS rev.0.0 jun. 2001 pc133/pc100 sodimm dc characteristics (recommended operating condition unless otherwise noted, t a = 0 to 70 c) parameter sym- bol test condition version unit note -7a -1h -1l operating current (one bank active) i cc1 burst length = 1 t rc 3 t rc (min) i o = 0 ma 440 400 400 ma 1 precharge standby current in power-down mode i cc2 p cke v il (max), t cc = 10ns 4 ma i cc2 ps cke & clk v il (max), t cc = 4 precharge standby current in non power-down mode i cc2 n cke 3 v ih (min), cs 3 v ih (min), t cc = 10ns input signals are changed one time during 20ns 60 ma i cc2 ns cke 3 v ih (min), clk v il (max), t cc = input signals are stable 24 active standby current in power-down mode i cc3 p cke v il (max), t cc = 10ns 12 ma i cc3 ps cke & clk v il (max), t cc = 12 active standby current in non power-down mode (one bank active) i cc3 n cke 3 v ih (min), cs 3 v ih (min), t cc = 10ns input signals are changed one time during 20ns 120 ma i cc3 ns cke 3 v ih (min), clk v il (max), t cc = input signals are stable 100 ma operating current (burst mode) i cc4 i o = 0 ma page burst 4banks activated t ccd = 2clks 540 440 440 ma 1 refresh current i cc5 t rc 3 t rc (min) 540 500 500 ma 2 self refresh current i cc6 cke 0.2v c 4 ma l 1.6 ma 1. measured with outputs open. 2. refresh period is 64ms. 3. unless otherwise noted, input swing level is cmos(v ih /v il =v ddq /v ssq ) notes :
M464S0424FTS rev.0.0 jun. 2001 pc133/pc100 sodimm 3.3v 1200 w 870 w output 50pf v oh (dc) = 2.4v, i oh = -2ma v ol (dc) = 0.4v, i ol = 2ma vtt = 1.4v 50 w output 50pf z0 = 50 w (fig. 2) ac output load circuit (fig. 1) dc output load circuit ac operating test conditions (v dd = 3.3v 0.3v , t a = 0 to 70 c) parameter value unit ac input levels (vih/vil) 2.4/0.4 v input timing measurement reference level 1.4 v input rise and fall time tr/tf = 1/1 ns output timing measurement reference level 1.4 v output load condition see fig. 2 operating ac parameter (ac operating conditions unless otherwise noted) parameter symbol version unit note -7a -1h -1l row active to row active delay t rrd (min) 15 20 20 ns 1 ras to cas delay t rcd (min) 20 20 20 ns 1 row precharge time t rp (min) 20 20 20 ns 1 row active time t ras (min) 45 50 50 ns 1 t ras (max) 100 us row cycle time t rc (min) 65 70 70 ns 1 last data in to row precharge t rdl (min) 2 clk 2,5 last data in to active delay t dal (min) 2 clk + 20 ns - 5 last data in to new col. address delay t cdl (min) 1 clk 2 last data in to burst stop t bdl (min) 1 clk 2 col. address to col. address delay t ccd (min) 1 clk 3 number of valid output data cas latency=3 2 ea 4 cas latency=2 1 notes : 1. the minimum number of clock cycles is determined by dividing the minimum time required with clock cycle time and then rounding off to the next higher integer. 2. minimum delay is required to complete write. 3. all parts allow every cycle column address change. 4. in case of row precharge interrupt, auto precharge and read burst stop. 5. in 100mhz and below 100mhz operating conditions, trdl=1clk and tdal=1clk + 20ns is also supported. samsung recommends trdl=2clk and tdal=2clk + trp.
M464S0424FTS rev.0.0 jun. 2001 pc133/pc100 sodimm refer to the individual component, not the whole module. parameter symbol - 7a -1h -1l unit note min max min max min max clk cycle time cas latency=3 t cc 7.5 1000 10 1000 10 1000 ns 1 cas latency=2 10 10 12 clk to valid output delay cas latency=3 t sac 5.4 6 6 ns 1,2 cas latency=2 6 6 7 output data hold time cas latency=3 t oh 3 3 3 ns 2 cas latency=2 3 3 3 clk high pulse width t ch 2.5 3 3 ns 3 clk low pulse width t cl 2.5 3 3 ns 3 input setup time t ss 1.5 2 2 ns 3 input hold time t sh 0.8 1 1 ns 3 clk to output in low-z t slz 1 1 1 ns 2 clk to output in hi-z cas latency=3 t shz 5.4 6 6 ns cas latency=2 6 6 7 1. parameters depend on programmed cas latency. 2. if clock rising time is longer than 1ns, (tr/2-0.5)ns should be added to the parameter. 3. assumed input rise and fall time (tr & tf) = 1ns. if tr & tf is longer than 1ns, transient time compensation should be considered, i.e., [(tr + tf)/2-1]ns should be added to the parameter. notes : ac characteristics (ac operating conditions unless otherwise noted)
M464S0424FTS rev.0.0 jun. 2001 pc133/pc100 sodimm simplified truth table (v=valid, x=don t care, h=logic high, l=logic low) command cken-1 cken cs ras cas we dqm ba 0,1 a 10 /ap a 11, a 9 ~ a 0 note register mode register set h x l l l l x op code 1,2 refresh auto refresh h h l l l h x x 3 self refresh entry l 3 exit l h l h h h x x 3 h x x x 3 bank active & row addr. h x l l h h x v row address read & column address auto precharge disable h x l h l h x v l column address (a 0 ~ a 7 ) 4 auto precharge enable h 4,5 write & column address auto precharge disable h x l h l l x v l column address (a 0 ~ a 7 ) 4 auto precharge enable h 4,5 burst stop h x l h h l x x 6 precharge bank selection h x l l h l x v l x all banks x h clock suspend or active power down entry h l h x x x x x l v v v exit l h x x x x x precharge power down mode entry h l h x x x x x l h h h exit l h h x x x x l v v v dqm h v x 7 no operation command h x h x x x x x l h h h 1. op code : operand code a 0 ~ a 11 & ba 0 ~ ba 1 : program keys. (@ mrs) 2. mrs can be issued only at all banks precharge state. a new command can be issued after 2 clock cycles of mrs. 3. auto refresh functions are as same as cbr refresh of dram. the automatical precharge without row precharge command is meant by "auto". auto/self refresh can be issued only at all banks precharge state. 4. ba 0 ~ ba 1 : bank select addresses. if both ba 0 and ba 1 are "low" at read, write, row active and precharge, bank a is selected. if both ba 0 is "low" and ba 1 is "high" at read, write, row active and precharge, bank b is selected. if both ba 0 is "high" and ba 1 is "low" at read, write, row active and precharge, bank c is selected. if both ba 0 and ba 1 are "high" at read, write, row active and precharge, bank d is selected. if a 10 /ap is "high" at row precharge, ba 0 and ba 1 is ignored and all banks are selected. 5. during burst read or write with auto precharge, new read/write command can not be issued. another bank read/write command can be issued after the end of burst. new row active of the associated bank can be issued at t rp after the end of burst. 6. burst stop command is valid at every burst length. 7. dqm sampled at positive going edge of a clk and masks the data-in at the very clk (write dqm latency is 0), but makes hi-z state the data-out of 2 clk cycles after. (read dqm latency is 2) notes : x
M464S0424FTS rev.0.0 jun. 2001 pc133/pc100 sodimm package dimensions 2.66 2.50 units : inches (millimeters) 2-r 0.078 min (2.00 min) 0.18 (4.60) 0.91 (23.20) 1.29 (32.80) 0 . 2 4 ( 6 . 0 ) 0.13 0 . 7 9 ( 2 0 . 0 0 ) (3.30) (63.60) (67.56) detail z 0.16 0.0039 (4.00 0.10) 0.06 0.0039 (1.50 0.1) tolerances : 0 .006(.15) unless otherwise specified the used device is 4mx16 sdram, tsop sdram part no. : k4s641632f 2- f 0.07 (1.80) 1 . 0 0 ( 2 5 . 4 0 ) 0.16 0.039 (4.00 0.10) 0.083 (2.10) 0.10 (2.50) z y 0.15 (3.70) 0.150 max 0.04 0.0039 (1.00 0.10) 0 . 1 2 5 m i n ( 3 . 2 0 m i n ) (3.80 max) 0 . 1 5 7 m i n ( 4 . 0 0 m i n ) 1 59 61 143 2 60 62 144 0.03 typ 0.024 0.001 0.008 0.006 (0.200 0.150) (0.600 0. 050) (0.80 typ ) 0 . 1 0 0 m i n ( 2 . 5 4 0 m i n ) detail y
M464S0424FTS rev.0.0 jun. 2001 pc133/pc100 sodimm byte # function described function supported hex value note -7a -1h -1l -7a -1h -1l 0 # of bytes written into serial memory at module manufacturer 128bytes 80h 1 total # of bytes of spd memory device 256bytes (2k-bit) 08h 2 fundamental memory type sdram 04h 3 # of row address on this assembly 12 0ch 1 4 # of column address on this assembly 8 08h 1 5 # of module rows on this assembly 1 row 01h 6 data width of this assembly 64 bits 40h 7 ...... data width of this assembly - 00h 8 voltage interface standard of this assembly lvttl 01h 9 sdram cycle time from clock @cas latency of 3 7.5ns 10ns 10ns 75h a0h a0h 2 10 sdram access time from clock @cas latency of 3 5.4ns 6ns 6ns 54h 60h 60h 2 11 dimm configuration type non parity 00h 12 refresh rate & type 15.625us, support self refresh 80h 13 primary sdram width x16 10h 14 error checking sdram width none 00h 15 minimum clock delay for back-to-back random column address t ccd = 1clk 01h 16 sdram device attributes : burst lengths supported 1, 2, 4, 8 & full page 8fh 17 sdram device attributes : # of banks on sdram device 4 banks 04h 18 sdram device attributes : cas latency 2 & 3 06h 06h 06h 19 sdram device attributes : cs latency 0 clk 01h 20 sdram device attributes : write latency 0 clk 01h 21 sdram module attributes non-buffered/non-registered & redundant addressing 00h 22 sdram device attributes : general +/- 10% voltage tolerance, burst read single bit write precharge all, auto precharge 0eh 23 sdram cycle time @cas latency of 2 10ns 10ns 12ns a0h a0h c0h 2 24 sdram access time @cas latency of 2 6ns 6ns 7ns 60h 60h 70h 2 25 sdram cycle time @cas latency of 1 - - - 00h 00h 00h 2 26 sdram access time @cas latency of 1 - - - 00h 00h 00h 2 27 minimum row precharge time (=t rp ) 20ns 20ns 20ns 14h 14h 14h 28 minimum row active to row active delay (t rrd ) 15ns 20ns 20ns 0fh 14h 14h 29 minimum ras to cas delay (=t rcd ) 20ns 20ns 20ns 14h 14h 14h 30 minimum activate precharge time (=t ras ) 45ns 50ns 50ns 2dh 32h 32h 31 module row density 1 row of 32mb 08h 32 command and address signal input setup time 1.5ns 2ns 2ns 15h 20h 20h 33 command and address signal input hold time 0.8ns 1ns 1ns 08h 10h 10h 34 data signal input setup time 1.45ns 2ns 2ns 15h 20h 20h M464S0424FTS-l7a/l1h/l1l, c7a/c1h/c1l ? organization : 4mx64 ? composition : 4mx16 *4 ? used component part # : k4s641632f-tl75/1h/l1l, c75/c1h/c1l ? # of rows in module : 1 row ? # of banks in component : 4 banks ? feature : 1,000 mil height & double sided component ? refresh : 4k/64ms ? contents :
M464S0424FTS rev.0.0 jun. 2001 pc133/pc100 sodimm serial presence detect information byte # function described function supported hex value note -7a -1h -1l -7a -1h -1l 35 data signal input hold time 0.8ns 1ns 1ns 08h 10h 10h 36~61 superset information (maybe used in future) - 00h 62 spd data revision code current release intel spd 1.2 12h 63 checksum for bytes 0 ~ 62 - 9dh 04h 34h 64 manufacturer jedec id code samsung ceh 65~71 ...... manufacturer jedec id code samsung 00h 72 manufacturing location onyang korea 01h 73 manufacturer part # (memory module) m 4dh 74 manufacturer part # (dimm configuration) 4 34h 75 manufacturer part # (data bits) blank 20h 76 ...... manufacturer part # (data bits) 6 36h 77 ...... manufacturer part # (data bits) 4 34h 78 manufacturer part # (mode & operating voltage) s 53h 79 manufacturer part # (module depth) 0 30h 80 ...... manufacturer part # (module depth) 4 34h 81 manufacturer part # (refresh, # of banks in comp. & inter- 2 32h 82 manufacturer part # (composition component) 4 34h 83 manufacturer part # (component revision) f 46h 84 manufacturer part # (package type) t 54h 85 manufacturer part # (pcb revision & type) s 53h 86 manufacturer part # (hyphen) " - " 2dh 87 manufacturer part # (power) l / c 4ch / 43h 88 manufacturer part # (minimum cycle time) 7 1 1 37h 31h 31h 89 manufacturer part # (minimum cycle time) 5 h l 35h 48h 4ch 90 manufacturer part # (tbd) blank 20h 91 manufacturer revision code (for pcb) s 53h 92 ...... manufacturer revision code (for component) f-die (7th gen.) 46h 93 manufacturing date (year) - - 3 94 manufacturing date (week) - - 3 95~98 assembly serial # - - 4 99~125 manufacturer specific data (may be used in future) undefined - 5 126 system frequency for 100mhz 100mhz 64h 127 intel specification details detailed 100mhz information 8dh 8fh 8dh 128+ unused storage locations undefined - 5 1. the bank select address is excluded in counting the total # of addresses. 2. this value is based on the component specification. 3. these bytes are programmed by code of date week & date year with bcd format. 4. these bytes are programmed by samsung s own assembly serial # system. all modules may have different unique serial #. 5. these bytes are undefined and can be used for samsung s own purpose. note :

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