Datasheet Summary
8Gb: x4, x8, x16 DDR4 SDRAM Features
DDR4 SDRAM
MT40A2G4 MT40A1G8 MT40A512M16
Features
- VDD = VDDQ = 1.2V ±60mV
- VPP = 2.5V,
- 125mV, +250mV
- On-die, internal, adjustable VREFDQ generation
- 1.2V pseudo open-drain I/O
- TC maximum up to 95°C
- 64ms, 8192-cycle refresh up to 85°C
- 32ms, 8192-cycle refresh at >85°C to 95°C
- 16 internal banks (x4, x8): 4 groups of 4 banks each
- 8 internal banks (x16): 2 groups of 4 banks each
- 8n-bit prefetch architecture
- Programmable data strobe preambles
- Data strobe preamble training
- mand/Address latency (CAL)
- Multipurpose register READ and WRITE capability
- Write and read leveling
- Self refresh mode
- Low-power auto self refresh...