288Pin DDR4 2400 1.2V U-DIMM 8GB Based on 1024Mx8 AQD-D4U8GN24-HE Advantech AQD-D4U8GN24-HE Datasheet Rev. 0.0 2016-12-08 1 288Pin DDR4 2400 1.2V U-DIMM 8GB Based on 1024Mx8 AQD-D4U8GN24-HE Description Data Buffer data strobes DQS0 tDQS17 t AQD-D4U8GN24-HE is a DDR4 2400Mbps U-DIMM Data Buffer data strobes DQS0 cDQS17 c high-speed, memory module that use 8pcs of 1024Mx 8 SDRAM clocks CK0 t, CK1 t bits DDR4 SDRAM in FBGA package and a 4K bits serial SDRAM clocks CK0 c, CK1 c EEPROM on a 288-pin printed circuit board. ODT0 &ODT1 On-die termination control line AQD-D4U8GN24-HE is a Dual In-Line Memory Module CS0 nCS3 n DIMM Rank Select Lines input. and is intended for mounting into 288-pin edge connector 2 RAS n Row address strobe sockets. 3 Synchronous design allows precise cycle control with the CAS n Column address strobe 4 use of system clock. Data I/O transactions are possible WE n Write Enable on both edges of DQS. Range of operation frequencies, DM0~DM7 Data masks/high data strobes programmable latencies allow the same device to be VDD Core power supply useful for a variety of high bandwidth, high performance VDDQ I/O driver power supply memory system applications. V CA Command/address reference supply REF Features V SPD SPD EEPROM power supply DD RoHS compliant products. JEDEC standard 1.2V(1.14V~1.26V) Power supply I2C serial bus address select for SA0~SA2 VDDQ= 1.2V(1.14V~1.26V) EEPROM VPP = 2.5V +0.25V / -0.125V SCL I2C serial bus clock for EEPROM Data transfer rates: PC3-12800 SDA I2C serial bus data for EEPROM Programmable CAS Latency: VSS Ground 10,11,12,13,14,15,16,17,18 RESET n Set DRAMs Known State 8 bit pre-fetch VTT DRAM I/O termination supply Burst Length (BL) switch on-the-fly BL8 or BC4 VPP SDRAM Supply Bi-directional Differential Data-Strobe SDRAM ALERT n On Die Termination, Nominal, Park, and Dynamic ODT ALERT n SPD signals a thermal event has Serial presence detect with EEPROM EVENT n occurred Asynchronous reset Reserved for future use RFU PCB edge connector treated with 30u Gold-Plating 1. Address A17 is not valid for x8 and x16 based SDRAMs. For UDIMMs Pin Identification this connection pin is NC. Symbol Function 2. RAS n is a multiplexed function with A16. 1 A0A17 , BA0~BA1 Address/Bank input 3. CAS n is a multiplexed function with A15. DQ0~DQ63 Bi-direction data bus. 4. WE n is a multiplexed function with A14. 2