Data for Part Number MTA18ASF4G72AZ-3G2B1

SPD Data

SPD Data for Part Number MTA18ASF4G72AZ-3G2B1

Information is intended only for use on Micron manufactured modules. All information is provided "AS IS" and without warranties of any kind.

Byte Number Byte Description Byte Value
0 DDR4-SPD BYTES USE/TOTAL BYTES AVAILABLE/CRC COVERAGE 23
1 DDR4-SPD REVISION 11
2 DDR4-DRAM DEVICE TYPE 0C
3 DDR4-MODULE TYPE (FORM FACTOR) 02
4 DDR4-SDRAM DEVICE DENSITY BANKS 86
5 DDR4-SDRAM DEVICE ADDRESSING 29
6 DDR4-SDRAM DEVICE TYPE (ARCHITECURE) 00
7 DDR4-SDRAM DEVICE OPTIONAL FEATURES 08
8 DDR4-SDRAM DEVICE THERMAL REFRESH OPTIONS 00
9 DDR4-OTHER SDRAM OPTIONAL FEATURES 60
10 DDR4-SECONDARY SDRAM PACKAGE TYPE 00
11 DDR4-NOMINAL MODULE VOLTAGE (VDD) 03
12 DDR4-MODULE ORG. (PACKAGE RANKS DEVICE WIDTH) 09
13 DDR4-MODULE MEMORY BUS WIDTH 0B
14 DDR4-MODULE THERMAL SENSOR SUPPORT 80
15 DDR4-EXTENDED MODULE TYPE 00
16 DDR4-BYTE 16 RESERVED 00
17 DDR4-TIMEBASES (MTB FTB) 00
18 DDR4-SDRAM DEVICE TCKMIN 05
19 DDR4- SDRM DEVICE TCKMAX 0D
20 DDR4-CL7 THROUGH CL14 SUPPORT F8
21 DDR4-CL15 THROUGH CL22 SUPPORT FF
22 DDR4-CL23 THROUGH CL30 SUPPORT 2F
23 DDR4-CL31 THROUGH CL36 SUPPORT-CL RNG 00
24 DDR4-MIN CAS LATENCY (TAAMIN) 6E
25 DDR4-MIN RAS TO CAS DELAY (TRCDMIN) 6E
26 DDR4-MIN ROW PRECHARGE DELAY (TRPMIN) 6E
27 DDR4-UPPER NIBBLE TRASMIN, TRCMIN 11
28 DDR4-MIN ACTIVE TO PRECHARGE DELAY (TRASMIN) LSB 00
29 DDR4-MIN ACTIVE TO ACTIVE/REFRESH DELAY (TRCMIN) LSB 6E
30 DDR4-MIN REFRESH RECOVERY DELAY (TRFC1MIN) LSB F0
31 DDR4-MIN REFRESH RECOVERY DELAY (TRFC1MIN) MSB 0A
32 DDR4-MIN REFRESH RECOVERY TIME DELAY (TRFC2MIN) LSB 20
33 DDR4-MIN REFRESH RECOVERY DELAY (TRFC2MIN) MSB 08
34 DDR4-MIN REFRESH RECOVERY DELAY (TRFC4MIN) LSB 00
35 DDR4-MIN REFRESH RECOVERY DELAY (TRFC4MIN) MSB 05
36 DDR4-MIN FOUR ACTIVE WINDOW DELAY (TFAWMIN) UPPER NIB 00
37 DDR4-MIN FOUR ACTIVE WINDOW DELAY (TFAWMIN) LSB A8
38 DDR4-MIN ACTIVE TO ACTIVE DELAY (TRRD_SMIN) DIFRNT BANK GRP 14
39 DDR4-MIN ACTIVE TO ACTIVE DELAY (TRRD_LMIN) SAME BANK GRP 28
40 DDR4-MIN CAS TO CAS DELAY, SAME BG (TCCDLMIN) 28
41 DDR4-TWRMIN MSB 00
42 DDR4-TWRMIN LSB 78
43 DDR4-TWTR_LMIN/TWTR_SMIN - MSB (UPPER NIBLS) 00
44 DDR4-TWTR_SMIN - LSB 14
45 DDR4-TWTR_LMIN - LSB 3C
46-59 DDR4- RESERVED BYTES 46 - 59 0000000000000000000000000000
60 DDR4-BIT MAP, DQ0 - 3 0C
61 DDR4-BIT MAP, DQ4 -7 2C
62 DDR4-BIT MAP, DQ8 - 11 15
63 DDR4-BIT MAP, DQ12 - 15 35
64 DDR4-BIT MAP, DQ16 - 19 15
65 DDR4-BIT MAP, DQ20 - 23 35
66 DDR4-BIT MAP, DQ24 - 27 0B
67 DDR4-BIT MAP, DQ28 - 31 2C
68 DDR4-BIT MAP, CB0 - 3 15
69 DDR4-BIT MAP, CB4 - 7 35
70 DDR4-BIT MAP, DQ32 - 35 0B
71 DDR4-BIT MAP, DQ36 - 39 35
72 DDR4-BIT MAP, DQ40 - 43 0B
73 DDR4-BIT MAP, DQ44 - 47 2C
74 DDR4-BIT MAP, DQ48 - 51 0B
75 DDR4-BIT MAP, DQ52 - 55 35
76 DDR4-BIT MAP, DQ56 - 59 15
77 DDR4-BIT MAP, DQ60 - 63 36
78-116 DDR4-RESERVE BYTES 78 - 116 000000000000000000000000000000000000000000000000000000000000000000000000000000
117 DDR4-FTB OFFSET - TCCDLMIN 00
118 DDR4-FTB OFFSET - TRRD_LMIN 9C
119 DDR4-FTB OFFSET - TRRD_SMIN 00
120 DDR4-FTB OFFSET - TRCMIN 00
121 DDR4-FTB OFFSET - TRPMIN 00
122 DDR4-FTB OFFSET - TRCDMIN 00
123 DDR4-FTB OFFSET - TAAMIN 00
124 DDR4-FTB OFFSET - TCKMAX E7
125 DDR4-FTB OFFSET - TCKMIN 00
126-127 DDR4-CRC FOR BYTES 0 - 125, BASE CONFIG 4428
128 DDR4-RAW CARD EXT. AND MODULE NOM. HEIGHT 11
129 DDR4-MODULE MAX THICKNESS 11
130 DDR4-RAW CARD ID 24
131 DDR4-UDIMM ADDRESS MAPPING - RDIMM MODULE ATTRIBUTES 01
132 DDR4-RDIMM HEAT SPREADER SOLUTION 00
133 DDR4-RDIMM REGISER MFR. ID (LSB) 00
134 DDR4-REGISTER MFR. ID (MSB) 00
135 DDR4-REGISTER REVISION NUMBER 00
136 DDR4-REGISTER ADDRESS MAPPING 00
137 DDR4-REG OUTPUT DRIVE FOR CONTROL 00
138 DDR4-REG OUTPUT DRIVE FOR CLOCK 00
139-253 DDR4-RESERVE BYTES 139 - 253 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
254-255 DDR4-CRC FOR MODULE SPECIFIC BYTES 128-253 A6D6
256-319 DDR4-BYTES 256 - 319 RESERVED 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
320 DDR4-MODULE MFR. ID CODE (LSB) 80
321 DDR4-MODULE MFR. ID COD (MSB) 2C
322 DDR4-MODULE MFR. LOCATION 00
323-324 DDR4-MODULE MFR. DATE 0000
325-328 DDR4-MODULE SERIAL NUMBER 00000000
329-348 DDR4-MODULE PART NUMBER 18ASF4G72AZ-3G2B1
349 DDR4-MODULE PCB REV 31
350 DDR4-DRAM MFR. ID CODE (LSB) 80
351 DDR4-DRAM MFR. ID CODE (MSB) 2C
352 DDR4-DEVICE DIE REV (PART MARKING) 42
353-383 DDR4-BYTES 353 - 383 RESERVED 00000000000000000000000000000000000000000000000000000000000000
384-511 DDR4-BYTES 384-511 END USER RESERVED 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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