T TS S77K KS SN N2288444422--33S S 204Pin DDR3 1333 SO-DIMM 4GB Based on 256Mx8 Description • Pin Identification DDR3 SO-DIMM is high-speed, low power memory • Pin Identification module that use 256Mx8bits DDR3 SDRAM in FBGA Symbol package and a 2048 bits serial EEPROM on a 204-pin A0~A14, BA0~BA2 Address/Bank input printed circuit board. DDR3 SO-DIMM is a Dual In-Line DQ0~DQ63 Data Input / Output. DQS0~DQS7 Data strobes /DQS0~/DQS7 Differential Data strobes CK0, /CK0,CK1, /CK1 Clock Input. (Differential pair) on both edges of DQS. Range of operation frequencies, CKE0, CKE1 Clock Enable Input. programmable latencies allow the same device to be ODT0, ODT1 On-die termination control line useful for a variety of high bandwidth, high performance /CS0, /CS1 DIMM Rank Select Lines. /RAS Row Address Strobe /CAS Column Address Strobe /WE Write Enable DM0~DM7 Data masks/high data strobes VDD Voltage power supply VREFDQ/ VREFCA Power Supply for Reference VDDSPD SPD EEPROM Power Supply Memory Module and is intended for mounting into 204-pin edge connector sockets. Synchronous design allows precise cycle control with the use of system clock. Data I/O transactions are possible memory system applications. Features • RoHS compliant products. • JEDEC standard 1.5V ± 0.075V Power supply • VDDQ=1.5V ± 0.075V • Clock Freq: 667MHZ for 1333Mb/s/Pin. • Programmable CAS Latency: 5, 6, 7, 8, 9 ,10 ,11 • Programmable Additive Latency (Posted /CAS): Function I2C serial bus address select for SA0~SA2 0,CL-2 or CL-1 clock EEPROM • Programmable /CAS Write Latency (CWL) SCL I2C serial bus clock for EEPROM SDA I2C serial bus data for EEPROM VSS Ground /RESET Set DRAMs Known State • Internal calibration through ZQ pin VTT SDRAM I/O termination supply • On Die Termination with ODT pin NC No Connection = 7(DDR3-1333) • 8 bit pre-fetch • Burst Length: 4, 8 • Bi-directional Differential Data-Strobe • Serial presence detect with EEPROM • Asynchronous reset Transcend Information Inc. 1 T TS S77K KS SN N2288444422--33S S 204Pin DDR3 1333 SO-DIMM 4GB Based on 256Mx8 Dimensions (Unit: millimeter) Note: 1. Tolerances on all dimensions +/-0.15mm unless otherwise specified. Transcend Information Inc. 2 T TS S77K KS SN N2288444422--33S S 204Pin DDR3 1333 SO-DIMM 4GB Based on 256Mx8 Pin Assignments Pin Pin Pin Pin Pin Pin Pin Pin Pin Pin Pin No Name No Name No Name No Name No Name No 01 VREFDQ 69 DQ27 137 DQS4 02 VSS 70 DQ31 138 03 VSS 71 VSS 139 VSS 04 DQ4 72 VSS 140 05 DQ0 73 CKE0 141 DQ34 06 DQ5 74 CKE1,NC 142 07 DQ1 75 VDD 143 DQ35 08 VSS 76 VDD 144 09 VSS 77 NC 145 VSS 10 /DQS0 78 NC 146 11 DM0 79 BA2 147 DQ40 12 DQS0 80 A14 148 13 VSS 81 VDD 149 DQ41 14 VSS 82 VDD 150 15 DQ2 83 A12 151 VSS 16 DQ6 84 A11 152 17 DQ3 85 A9 153 DM5 18 DQ7 86 A7 154 19 VSS 87 VDD 155 VSS 20 VSS 88 VDD 156 21 DQ8 89 A8 157 DQ42 22 DQ12 90 A6 158 23 DQ9 91 A5 159 DQ43 24 DQ13 92 A4 160 25 VSS 93 VDD 161 VSS 26 VSS 94 VDD 162 27 /DQS1 95 A3 163 DQ48 28 DM1 96 A2 164 29 DQS1 97 A1 165 DQ49 30 /RESET 98 A0 166 31 VSS 99 VDD 167 VSS 32 VSS 100 VDD 168 33 DQ10 101 CK0 169 /DQS6 34 DQ14 102 CK1,NC 170 35 DQ11 103 /CK0 171 DQS6 36 DQ15 104 /CK1,NC 172 37 VSS 105 VDD 173 VSS 38 VSS 106 VDD 174 39 DQ16 107 A10/AP 175 DQ50 40 DQ20 108 BA1 176 41 DQ17 109 BA0 177 DQ51 42 DQ21 110 /RAS 178 43 VSS 111 VDD 179 VSS 44 VSS 112 VDD 180 45 /DQS2 113 /WE 181 DQ56 46 DM2 114 /CS0 182 47 DQS2 115 /CAS 183 DQ57 48 VSS 116 ODT0 184 49 VSS 117 VDD 185 VSS 50 DQ22 118 VDD 186 51 DQ18 119 A13 187 DM7 52 DQ23 120 ODT1,NC 188 53 DQ19 121 /CS1,NC 189 VSS 54 VSS 122 NC 190 55 VSS 123 VDD 191 DQ58 56 DQ28 124 VDD 192 57 DQ24 125 TEST 193 DQ59 58 DQ29 126 VREFCA 194 59 DQ25 127 VSS 195 VSS 60 VSS 128 VSS 196 61 VSS 129 DQ32 197 SA0 62 /DQS3 130 DQ36 198 63 DM3 131 DQ33 199 VDDSPD 64 DQS3 132 DQ37 200 65 VSS 133 VSS 201 SA1 66 VSS 134 VSS 202 67 DQ26 135 /DQS4 203 Vtt 68 DQ30 136 DM4 204 /CS1,ODT1,CKE1:Used for dual-rank SO-DIMMs; NC on single-rank SO-DDIMMs. CK1 and /CK1:Used for dual-rank SO-DIMMs; not used on single-rank SO-DIMMs but terminated. Transcend Information Inc. 3 Pin Name VSS DQ38 DQ39 VSS DQ44 DQ45 VSS /DQS5 DQS5 VSS DQ46 DQ47 VSS DQ52 DQ53 VSS DM6 VSS DQ54 DQ55 VSS DQ60 DQ61 VSS /DQS7 DQS7 VSS DQ62 DQ63 VSS NC SDA SCL Vtt T TS S77K KS SN N2288444422--33S S 204Pin DDR3 1333 SO-DIMM 4GB Based on 256Mx8 Block Diagram 4GB, 512Mx64 Module(2 Rank x8) /S0 /S1 /DQS4 DQS4 DM4 /DQS0 DQS0 DM0 DM DQ DQ DQ DQ DQ DQ DQ DQ 0 1 2 3 4 5 6 7 I/O I/O I/O I/O I/O I/O I/O I/O /CS DQS /DQS 0 1 2 3 4 5 6 7 D0 ZQ DM I/O I/O I/O I/O I/O I/O I/O I/O /CS DQS /DQS 0 1 2 3 4 5 6 7 DM DQ DQ DQ DQ DQ DQ DQ DQ D8 ZQ /DQS1 DQS1 DM1 I/O I/O I/O I/O I/O I/O I/O I/O 8 9 10 11 12 13 14 15 /CS DQS /DQS 0 1 2 3 4 5 6 7 D1 ZQ DM I/O I/O I/O I/O I/O I/O I/O I/O /CS DQS /DQS 0 1 2 3 4 5 6 7 D4 ZQ DM I/O I/O I/O I/O I/O I/O I/O I/O /CS DQS /DQS 0 1 2 3 4 5 6 7 D12 ZQ D9 ZQ 40 41 42 43 44 45 46 47 I/O I/O I/O I/O I/O I/O I/O I/O /CS DQS /DQS 0 1 2 3 4 5 6 7 D5 ZQ DM I/O I/O I/O I/O I/O I/O I/O I/O /CS DQS /DQS 0 1 2 3 4 5 6 7 D13 ZQ /DQS6 DQS6 DM6 DM 16 17 18 19 20 21 22 23 I/O I/O I/O I/O I/O I/O I/O I/O /CS DQS /DQS 0 1 2 3 4 5 6 7 D2 ZQ DM I/O I/O I/O I/O I/O I/O I/O I/O /CS DQS /DQS 0 1 2 3 4 5 6 7 DM DQ DQ DQ DQ DQ DQ DQ DQ D10 ZQ /DQS3 DQS3 DM3 48 49 50 51 52 53 54 55 I/O I/O I/O I/O I/O I/O I/O I/O /CS DQS /DQS 0 1 2 3 4 5 6 7 D6 ZQ DM I/O I/O I/O I/O I/O I/O I/O I/O /CS DQS /DQS 0 1 2 3 4 5 6 7 D14 ZQ /DQS7 DQS7 DM7 DM DQ DQ DQ DQ DQ DQ DQ DQ /CS DQS /DQS 0 1 2 3 4 5 6 7 DM DQ DQ DQ DQ DQ DQ DQ DQ /DQS2 DQS2 DM2 DQ DQ DQ DQ DQ DQ DQ DQ I/O I/O I/O I/O I/O I/O I/O I/O /DQS5 DQS5 DM5 DM DQ DQ DQ DQ DQ DQ DQ DQ 32 33 34 35 36 37 38 39 I/O I/O I/O I/O I/O I/O I/O I/O 24 25 26 27 28 29 30 31 /CS DQS /DQS 0 1 2 3 4 5 6 7 D3 ZQ ZQ of D0–D15 DM I/O I/O I/O I/O I/O I/O I/O I/O /CS DQS /DQS 0 1 2 3 4 5 6 7 DM DQ DQ DQ DQ DQ DQ DQ DQ D11 ZQ 240 Ohm *16 56 57 58 59 60 61 62 63 I/O I/O I/O I/O I/O I/O I/O I/O EEPROM SCL BA0~BA2 A0~A15 CKE1 CKE0 /RAS /CAS /WE ODT0 ODT1 CK0 /CK0 CK1 /CK1 BA0–BA2: SDRAMs D0–D15 A0-A15: SDRAMs D0–D15 CKE: SDRAMs D8– D15 CKE: SDRAMs D0– D7 /RAS: SDRAMs D0–D15 /CAS: SDRAMs D0–D15 /WE: SDRAMs D0–D15 ODT: SDRAM s D0–D7 ODT: SDRAM s D8–D15 CK: SDRAMs D0– D7 /CK: SDRAMs D0–D7 CK: SDRAMs D8– D15 /CK: SDRAMs D8–D15 WP A0 A1 A2 SA0 SA1SA2 /CS DQS /DQS 0 1 2 3 4 5 6 7 D7 ZQ DM I/O I/O I/O I/O I/O I/O I/O I/O /CS DQS /DQS 0 1 2 3 4 5 6 7 D15 VDDSPD VDD/VDDQ SDA VREFDQ VSS VREFCA ZQ EEPROM D0~D15 D0~D15 D0~D15 D0~D15 NOTE: 1. 2. 3. 4. DQ-to-I/O wiring is shown as recommended but may be changed. DQ,DQS,/DQS,ODT,DM,CKE,/S relationships must be maintained as shown. DQ,DM,DQS,/DQS resistors: Refer to associated topology diagram. For each DRAM,a unique ZQ resistor is connected to ground. The ZQ resistor is 240 Ohm +/-1% This technical information is based on industry standard data and tests believed to be reliable. However, Transcend makes no warranties, either expressed or implied, as to its accuracy and assume no liability in connection with the use of this product. Transcend reserves the right to make changes in specifications at any time without prior notice. Transcend Information Inc. 4 T TS S77K KS SN N2288444422--33S S 204Pin DDR3 1333 SO-DIMM 4GB Based on 256Mx8 Operating Temperature Condition Parameter Symbol Rating Unit Note Operating Temperature TOPER 0 to 85 °C Note: 1. Operating Temperature is the case surface temperature on the center/top side of the DRAM. For the measurement conditions, please refer to JESD51-2 standard. 2. At 0 - 85°C, operation temperature range are the temperature which all DRAM specification will be supported. 1,2 Absolute Maximum DC Ratings Parameter Symbol Value Unit Note Voltage on VDD relative to Vss VDD -0.4 ~ 1.975 V 1 Voltage on VDDQ pin relative to Vss VDDQ -0.4 ~ 1.975 V 1 Voltage on any pin relative to Vss VIN, VOUT -0.4 ~ 1.975 V 1 Storage temperature TSTG -55~+100 °C 1,2 1. Stress greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the Note: device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. 2. Storage Temperature is the case surface temperature on the center/top side of the DRAM. For the measurement conditions, please refer to JESD51-2 standard. AC & DC Operating Conditions Recommended DC operating conditions (SSTL –1.5) Rating Parameter Symbol Unit Note Min Typ. Max Supply voltage VDD 1.425 1.5 1.575 V Supply voltage for Output VDDQ 1.425 1.5 1.575 V I/O Reference Voltage (DQ) VREFDQ(DC) 0.49*VDDQ 0.50*VDDQ 0.51*VDDQ V I/O Reference Voltage (CMD/ADD) VREFCA(DC) 0.49*VDDQ 0.50*VDDQ 0.51*VDDQ V AC Input Logic High VIH(AC) VREF+0.175 V AC Input Logic Low VIL(AC) VREF-0.175 V DC Input Logic High VIH(DC) VREF+0.1 VDD V DC Input Logic Low VIL(DC) VSS VREF-0.1 V Note: There is no specific device VDD supply voltage requirement for SSTL-1.5 compliance. 1. Under all conditions VDDQ must be less than or equal to VDD. 2. VDDQ tracks with VDD, AC parameters are measured with VDD and VDDQ tied together. 3. Peak to peak AC noise on VREF may not allow deviate from VREF(DC) by more than +/-1% VDD. 1, 2 1, 2 3 3 AC Input Level for Differential Signals Parameter Differential Input Logical High Differential Input Logical Low Transcend Information Inc. Symbol VIHdiff VILdiff 5 Value +200 -200 Unit mV Note T TS S77K KS SN N2288444422--33S S 204Pin DDR3 1333 SO-DIMM 4GB Based on 256Mx8 IDD Specification parameters Definition( IDD values are for full operating range of Voltage and Temperature) 4GB, 512Mx64 Module(2 Rank x8) Parameter Operating One bank Active-Precharge current; tCK = tCK(IDD), tRC = tRC(IDD), tRAS = tRASmin(IDD); CKE is HIGH, /CS is HIGH between valid commands;Address bus inputs are SWITCHING; Data bus inputs are SWITCHING Symbol DDR3 1333 CL9 Unit IDD0 760 mA IDD1 880 mA IDD2P 320 mA IDD2Q 480 mA IDD2N 560 mA IDD3P 480 mA IDD3N 720 mA IDD4R 1200 mA IDD4W 1400 mA IDD5 1640 mA IDD6 192 mA IDD7 1960 mA Operating One bank Active-read-Precharge current; IOUT = 0mA; BL = 8, CL = CL(IDD), AL = 0; tCK = tCK(IDD), tRC = tRC (IDD), tRAS = tRASmin(IDD), tRCD = tRCD(IDD); CKE is HIGH, /CS is HIGH between valid commands; Address bus inputs are SWITCHING; Data pattern is same as IDD4W Precharge power-down current; All banks idle; tCK = tCK(IDD); CKE is LOW; Other control and address bus inputs are STABLE; Data bus inputs are FLOATING Precharge quiet standby current; All banks idle; tCK = tCK(IDD); CKE is HIGH, /CS is HIGH; Other control and address bus inputs are STABLE; Data bus inputs are FLOATING Precharge standby current; All banks idle; tCK = tCK(IDD); CKE is HIGH, /CS is HIGH; Other control and address bus inputs are SWITCHING; Data bus inputs are SWITCHING Active power - down current; All banks open; tCK = tCK(IDD); CKE is LOW; Other control and address bus inputs are STABLE; Data bus inputs are FLOATING Active standby current; All banks open; tCK = tCK(IDD), tRAS = tRASmax(IDD), tRP = tRP(IDD); CKE is HIGH, /CS is HIGH between valid commands; Other control and address bus inputs are SWITCHING; Data bus inputs are SWITCHING Operating burst read current; All banks open, Continuous burst reads, IOUT = 0mA; BL = 4, CL = CL(IDD), AL = 0; tCK = tCK(IDD), tRAS = tRASmax(IDD), tRP = tRP(IDD); CKE is HIGH, /CS is HIGH between valid commands; Address bus inputs are SWITCHING; Data pattern is same as IDD4W Operating burst write current; All banks open, Continuous burst writes; BL = 8, CL = CL(IDD), AL = 0; tCK = tCK(IDD), tRAS = tRASmax(IDD), tRP = tRP(IDD); CKE is HIGH, /CS is HIGH between valid commands; Address bus inputs are SWITCHING; Data bus inputs are SWITCHING IDD4R Burst refresh current; tCK = tCK(IDD); Refresh command at every tRFC(IDD) interval; CKE is HIGH, /CS is HIGH between valid commands; Other control and address bus inputs are SWITCHING; Data bus inputs are SWITCHING Self refresh current; CK and /CK at 0V; CKE ≒ 0.2V; Other control and address bus inputs are FLOATING; Data bus inputs are FLOATING Operating bank interleave read current; All bank interleaving reads, IOUT = 0mA; BL = 8, CL = CL(IDD), AL = tRCD(IDD)-1*tCK(IDD); tCK = tCK(IDD), Trc = tRC(IDD), tRRD = tRRD(IDD), tRCD = 1*tCK(IDD); CKE is HIGH, CS is HIGH between valid commands;Address bus inputs are STABLE during DESELECTs; Data pattern is same as IDD4R; Note: 1.Module IDD was calculated on the specific brand DRAM component IDD and can be differently measured according to DQ loading capacitor. Transcend Information Inc. 6 T TS S77K KS SN N2288444422--33S S 204Pin DDR3 1333 SO-DIMM 4GB Based on 256Mx8 Timing Parameters & Specifications Speed Parameter DDR3 1333 Unit Symbol Min Max Average Clock Period tCK 1.5 <1.875 ns CK high-level width tCH 0.47 0.53 tCK CK low-level width tCL 0.47 0.53 tCK tDQSQ - 125 ps DQ output hold time from DQS, /DQS tQH 0.38 - tCK DQ low-impedance time from CK, /CK tLZ(DQ) -500 250 ps tHZ(DQ) - 250 ps tDS 30 - ps tDH 65 - tDIPW 400 - ps DQS, /DQS Read preamble tRPRE 0.9 - tCK DQS, /DQS differential Read postamble tRPST 0.3 - tCK DQS, /DQS Write preamble tWPRE 0.9 - tCK DQS, /DQS Write postamble tWPST 0.3 - tCK DQS, /DQS low-impedance time tLZ(DQS) -500 250 ps DQS, /DQS high-impedance time tHZ(DQS) - 250 ps tDQSL 0.45 0.55 tCK tDQSH 0.45 0.55 tCK tDQSS -0.25 +0.25 tCK tDSS 0.2 - tCK tDSH 0.2 - tCK tWTR Max (4tck, 7.5ns) - tWR 15 - ns Mode register set command cycle time tMRD 4 - tCK /CAS to /CAS command delay tCCD 4 - nCK DQS, /DQS to DQ skew, per group, per access DQ high-impedance time from CK, /CK Data setup time to DQS, /DQS reference to Vih(ac)Vil(ac) levels Data hold time to DQS, /DQS reference to Vih(ac)Vil(ac) levels DQ and DM input pulse width for each input DQS, /DQS differential input low pulse width DQS, /DQS differential input high pulse width DQS, /DQS rising edge to CK, /CK rising edge DQS, /DQS falling edge setup time to CK, /CK rising edge DQS, /DQS falling edge hold time to CK, /CK rising edge Delay from start of Internal write transaction to Internal read command Write recovery time Transcend Information Inc. 7 ps T TS S77K KS SN N2288444422--33S S 204Pin DDR3 1333 SO-DIMM 4GB Based on 256Mx8 Auto precharge write recovery + precharge time Speed Parameter Active to active command period for 1KB page size tDAL tWR+tRP/tck nCK DDR3 1333 Unit Min Max (4tck, 6ns) Max (4tck, 7.5ns) Max tFAW 30 - ns tFAW 45 - ns Power-up and RESET calibration time tZQinitl 512 - tCK Normal operation Full calibration time tZQoper 256 - tCK tZQcs 64 - tCK tXS Max (5tCK, tRFC+10) - tXSDLL tDLL(min) - Active to active command period for 2KB page size Four Activate Window for 1KB page size Four Activate Window for 2KB page size products Normal operation short calibration time Exit self refresh to commands not requiring a locked DLL Exit self refresh to commands requiring a locked DLL Internal read to precharge command delay Minimum CKE low width for Self refresh entry to exit timing Exit power down with DLL to any valid command: Exit Precharge Power Down with DLL CKE minimum pulse width (high and low pulse width) Symbol tRRD tRRD Max tRTP (4tCK, 7.5ns) tCKESR tCK(min)+1tCK Max tXP (3tCK, 6ns) - ns - tCK - tCKE Max (3tCK,5.625ns) tAONPD 2 8.5 ns tAOFPD 2 8.5 ns ODT turn-on tAON -250 250 ps ODT turn-off tAOF 0.3 0.7 tCK Asynchronous RTT turn-on delay (Power-Down mode) Asynchronous RTT turn-off delay (Power-Down mode) Transcend Information Inc. 8 T TS S77K KS SN N2288444422--33S S 204Pin DDR3 1333 SO-DIMM 4GB Based on 256Mx8 SERIAL PRESENCE DETECT SPECIFICATION TS7KSN28442-3S Serial Presence Detect Byte No. 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32-59 Function Described Standard Specification CRC:0-116Byte Number of SPD Bytes written / SPD device size / CRC SPD Byte use: 176Byte coverage during module production SPD Byte total: 256Byte SPD Revision Version 0.5 Key Byte / DRAM Device Type DDR3 SDRAM Key Byte / Module Type SODIMM SDRAM Density and Banks 2GB 8banks SDRAM Addressing ROW:15, Column:10 Reserved Module Organization 2Rank / x8 Module Memory Bus Width Non ECC, 64bit Fine Timebase Dividend and Divisor 2.5ps Medium Timebase Dividend 0.125ns Medium Timebase Divisor 0.125ns SDRAM Minimum Cycle Time (tCKmin) 1.5ns Reserved CAS Latencies Supported, Least Significant Byte 5, 6, 7, 8, 9 CAS Latencies Supported, Most Significant Byte Minimum CAS Latency Time (tAAmin) 13.125ns Minimum Write Recovery Time (tWRmin) 15ns Minimum /RAS to /CAS Delay Time (tRCDmin) 13.125ns Minimum Row Active to Row Active Delay Time 6ns (tRRDmin) Minimum Row Precharge Time (tRPmin) 13.125ns Upper Nibble for tRAS and tRC Minmum Active to Precharge Time (tRASmin) 36ns Minmum Active to Active/Refresh Time (tRCmin) 49.125ns Minmum Refresh Recovery Time (tRFCmin), Least 160ns Significant Byte Minmum Refresh Recovery Time (tRFCmin), Most 160ns Significant Byte Minmum Internal Write to Read Command Delay Time 7.5ns (tWTmin) Minimum Internal Read to Precharge Command Delay 7.5ns Time (tRTPmin) Upper Nibble for tFAW 30ns Minmum Four Active Window Delay Time (tFAWmin) 30ns DLL off Mode, SDRAM Optional Features RZQ/6, RZQ/7 SDRAM Thermal and Refresh Options No ODTs, Support ASR Reserved - Transcend Information Inc. 9 Vendor Part 92 10 0B 03 03 19 00 09 03 52 01 08 0C 00 3E 00 69 78 69 30 69 11 20 89 00 05 3C 3C 00 F0 83 05 00 T TS S77K KS SN N2288444422--33S S 204Pin DDR3 1333 SO-DIMM 4GB Based on 256Mx8 60 61 62 63 64-116 117 118 119 120-121 122-125 126-127 Module Nominal Height Module Max Thickness Reference Raw Card Used Address Mapping from Edge Connector to DRAM Reserved Module Manufacturer ID Code, Least Significant Byte Module Manufacturer ID Code, Most Significant Byte Module Manufacturing Location Module Manufacturing Date Module Serial Number Cyclical Redundancy Code 30mm Planar Double Sides R/C F1 Standard Transcend Transcend Taipei - 0F 11 25 00 00 01 4F 54 00 00 94, 29 54 53 37 4B 53 4E 128-145 Module Part Number TS7KSN28442-3S 32 38 34 34 32 2D 33 53 20 20 20 20 146-147 148-149 150-175 176-255 Revision Code DRAM Manufacturer ID Code Manufacturer Specific Data Open for customer use Transcend Information Inc. By Manufacturer By Manufacturer Undefined 1 00 Variable Variable 00