8Gb: x8, x16 Automotive DDR4 SDRAM Features Automotive DDR4 SDRAM MT40A1G8 MT40A512M16 1 Options Marking Features Configuration V = V = 1.2V 60mV DD DDQ 1 Gig x 8 1G8 V = 2.5V 125mV/+250mV PP 512 Meg x 16 512M16 On-die, internal, adjustable V generation REFDQ 78-ball FBGA package (Pb-free) x8 1.2V pseudo open-drain I/O 8mm x 12mm Rev. B WE Refresh time of 8192-cycle at T temperature range: C 96-ball FBGA package (Pb-free) x16 64ms at 40C to 85C 8mm x 14mm Rev. B JY 32ms at 85C to 95C Timing cycle time 16ms at 95C to 105C 0.750ns CL = 18 (DDR4-2666) -075E 8ms at 105C to 125C 0.833ns CL = 16 (DDR4-2400) -083E 16 internal banks (x8): 4 groups of 4 banks each Product certification 8 internal banks (x16): 2 groups of 4 banks each Automotive A 8n-bit prefetch architecture Operating temperature Programmable data strobe preambles Industrial (40 T 95C) IT C Data strobe preamble training Automotive (40 T 105C) AT C Command/Address latency (CAL) 3 Ultra-high (40 T 125C) UT C Multipurpose register read and write capability Revision :B Write leveling 1. Not all options listed can be combined to Notes: Self refresh mode define an offered product. Use the part Low-power auto self refresh (LPASR) catalog search on 8Gb: x8, x16 Automotive DDR4 SDRAM Features Table 1: Key Timing Parameters 1 t t t t Speed Grade Data Rate (MT/s) Target RCD- RP-CL RCD (ns) RP (ns) CL (ns) -075E 2666 18-18-18 13.5 13.5 13.5 -083E 2400 16-16-16 13.32 13.32 13.32 Note: 1. Refer to the Speed Bin Tables for backward compatibility. Table 2: Addressing Parameter 1024 Meg x 8 512 Meg x 16 Number of bank groups 4 2 Bank group address BG 1:0 BG0 Bank count per group 4 4 Bank address in bank group BA 1:0 BA 1:0 Row addressing 64K (A 15:0 ) 64K (A 15:0 ) Column addressing 1K (A 9:0 ) 1K (A 9:0 ) 1 Page size 1KB 2KB Note: 1. Page size is per bank, calculated as follows: COLBITS Page size = 2 ORG/8, where COLBIT = the number of column address bits and ORG = the number of DQ bits. Figure 1: Order Part Number Example Example Part Number: MT40A1G8WE-083EAAT:B - : Configuration Package Speed Revision MT40A Configuration Mark Revision 1 Gig x 8 1G8 :B 512 Meg x 16 512M16 Case Temperature Mark Package Mark Commercial None 78-ball 8.0mm x 12.0mm FBGA WE Industrial temperature IT 96-ball 8.0mm x 14.0mm FBGA JY Automotive AT Ultra-high UT Mark Speed Grade Product certification Mark t -083E CK = 0.833ns, CL = 16 Automotive t A -075E CK = 0.750ns, CL = 18 CCMTD-1406124318-10419 Micron Technology, Inc. reserves the right to change products or specifications without notice. 2 8gb auto ddr4 dram.pdf - Rev. E 08/18 EN 2016 Micron Technology, Inc. All rights reserved.