AS4C1G8D4 AS4C512M16D4 Revision History 8Gb DDR4 AS4C512M16D4 / AS4C1G8D4 - FBGA PACKAGE Revision Details Date Rev 1.0 Initial Release Aug 2020 Alliance Memory Inc,12815 NE 124th Street Suite D, Kirkland, WA 98034 USA. Alliance Memory Inc. reserves the right to change products or specification without notice. Confidential - 1 of 235 - Rev.1.0 Aug. 2020AS4C1G8D4 AS4C512M16D4 Specifications Features - Density : 8G bits - 1.2V pseudo open-drain interface - Organization : - 8n prefetch architecture - 64M words x 8 bits x 16 banks (AS4C1G8D4) - Internal VREFDQ training - 64M words x 16 bits x 8 banks (AS4C512M16D4) - Programmable data strobe preambles - Package : - Data strobe preamble training - 78-ball FBGA for x8 / 96-ball FBGA for x16 - Command/Address latency (CAL) - Lead-free (RoHS compliant) and Halogen-free - Multipurpose register READ and WRITE capability - Power supply : - Write and read leveling - VDD, VDDQ = 1.2V 60mV - Auto refresh and self refresh Modes - VPP = 2.5V, -125mV / +250mV - Low-power auto self refresh (LPASR) - Data rate : 2133Mbps/2400Mbps/2666Mbps - Auto Self Refresh (ASR) by DRAM built-in TS - 1KB page size for X8 / 2KB page size for X16 - Fine granularity refresh - Row address: A0 to A15 - Self refresh abort - Column address: A0 to A9 - Maximum power saving - Sixteen-banks(4 bank group with 4 banks for each bank group) for - Output driver calibration x8 and eight-banks(2 bank group with 4 banks for each bank group) - Configurable on-die termination (ODT) for x16 - Data bus inversion (DBI) for data bus - Burst lengths (BL) : BL8, BC4, BC4 or 8 on the fly - Command/Address (CA) parity - Burst type (BT) : Sequential, Interleave - Databus write cyclic redundancy check (CRC) - CAS Latency (CL) : 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 - Per-DRAM addressability - CAS Write Latency (CWL) : 9, 10, 11, 12, 14, 16, 18 - Connectivity test (x16) - Additive Latency (AL) : 0, CL-1, CL-2 - CS to Command Address Latency (AL) : 3, 4, 5, 6, 8 - Command Address Parity Latency : 4, 5, 6 - Write Recovery time : 10, 12, 14, 16, 18, 20, 24 - Driver strength : RZQ/7, RZQ/5 (RZQ = 240 ) - RTT PARK(34/40/48/60/80/120/240) - RTT NOM(34/40/48/60/80/120/240) - RTT WR(80/120/240) - Read Preamble (1T/2T) - Write Preamble (1T/2T) - LPASR(Manual:Normal/Reduced/Extended, Auto:TS) - Refresh cycles (Average refresh period) : 7.8 s at -40C Tc +85C 3.9 s at +85C < Tc +95C - Operating case temperature range - Commercial Tc = 0C to +95C - Industrial Tc = -40C to +95C Table 1. Ordering Information Org Temperature Tc Max Clock (MHz) Product part No Package 1G x 8 78-ball FBGA AS4C1G8D4-75BCN 1333 Commercial 0C to 95C AS4C1G8D4-75BIN 78-ball FBGA 1G x 8 Industrial -40C to 95C 1333 512M x 16 96-ball FBGA AS4C512M16D4- 75BCN 1333 Commercial 0C to 95C AS4C512M16D4-75B IN 512M x 16 Industrial -40C to 95C 1333 96-ball FBGA Table 2. Speed Grade Information Speed Grade Clock Frequency tRCD(ns) CAS Latency tRP(ns) 19 DDR4-2666 1333 MHz 14.25 14.25 Confidential - 2 of 235 - Rev.1.0 Aug. 2020