IS43/46QR85120B IS43/46QR16256B
® Long-term Support World Class Quality
512Mbx8, 256Mbx16 4Gb DDR4 SDRAM
JANUARY 2023
FEATURES
• Standard
Voltage : VDD = VDDQ = 1.
2V, VPP=2.
5V • High speed data transfer rates with system frequency
up to 2666 Mbps • Data Integrity
- Auto Self Refresh (ASR) by DRAM built-in TS - Auto Refresh and Self Refresh Modes • DRAM access bandwidth - Separated IO gating structures by Bank Groups - Self Refresh Abort - Fine Granularity Refresh • Signal Synchronization - Write Leveling via MR settings - Read Leveling via MPR • Reliability & Error Handling - Command/Address Parity - Data bus Write CRC - MPR readout - Boundary Scan (x16 only) • Speed Grade (CL-TRCD-TRP) ...