64 Gbit DDR4, 1G x80 bits, 1.2 V (3D4D64G80LB2860)

Categories: Memories, DDR, SDRAM Brand: 3D Plus

This 64 Gbit DDR4 is embedding 10 chips of 8 Gbit and 8 bus width. It can be typically used as 64 bits data + 16 bits ECC.

This organization allows the use of ECC to prevent data loss (8 bits of ECC are used to correct 8 bits of data). Furthermore, independent RESET capability is offered for customer to fine tune SEE mitigation.

Thus, this radiation tolerant DDR4 is particularly well suited for high reliability, performance, and density system applications such as computing memories. It is part of 3D PLUS’s DDR4 ecosystem, providing fully space qualified memory subsystem solution.

The 3D4D64G80LB2860 is packaged in BGA 363 with leaded balls.

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JEDEC JESD-79-4D compliant
Organization: 1G x (64 bits + 16 bits ECC)
Max Clock rate available: 1200 MHz
Max Transfer Rate 240 0MT/s
VDD = 1.2 V, VPP = 2.5 V
Independent ALERT_n
Independent RESET_n
Command Address Parity Check
Data bus Write CRC (Cyclic Redundancy Check)
Programmable #CAS latency (CL): from 9 to 16
Burst length (BL): 8 (BL8), Burst Chop 4(BC4) or 8 on the fly
Bi-directional Differential Data Strobe (DQS)
Programmable on-die termination (ODT)
Data bus inversion (DBI)
ZQ calibration for DQ drive and ODT
Available temperature range: 0°C to +70°C, -40°C to +85°C, -55°C to +105°C

Radtiation Tolerance

TID > 100 krad
SEL immune up to LET > 62.8 MeV.cm2/mg
SEU protection/ mitigation thanks to RIMC DDR4

Description

The 3D4D64G80LB2860 is a high-speed, highlyintegrated DDR4 Synchronous Dynamic RAM designed for space applications.

Space Qualification

Qualified with 3D PLUS ESA certification per ESCC 2566001
Up to NASA Level 1
Long Term Availability and High Reliability
Radiation Hardened Designed for High End Space computing applications
Flight heritage : 3D PLUS expertise in space memories for more than 20 years (*)
*From SRAM, SDRAM to DDR1/2/3/4

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