Datasheet Summary
4Gb: x8, x16 Automotive DDR4 SDRAM Features
Automotive DDR4 SDRAM
MT40A512M8 MT40A256M16
Features
- VDD = VDDQ = 1.2V ±60mV
- VPP = 2.5V
- 125mV/+250mV
- On-die, internal, adjustable VREFDQ generation
- 1.2V pseudo open-drain I/O
- Refresh maximum interval time at TC temperature range:
- 64ms at
- 40°C to 85°C
- 32ms at 85°C to 95°C
- 16ms at 96°C to 105°C
- 8ms at 106°C to 125°C
- 16 internal banks ( 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 leveling
- Self...