Tel 949.888.2444 – 30052 Tomas, Rancho Santa Margarita, CA 92688 USA – ww w.virtium.com 1
General Information
2GB 256Mx64 DDR3 SDRAM NON-ECC UNBUFFERED SODIMM 204-PIN
The VL47B5663A is a 256Mx64 DDR3 SDRAM high density SODIMM. This dual rank memory module consists of
sixteen CMOS 128Mx8 bits with 8 banks DDR3 Synchronous DRAMs in BGA packages and a 2K EEPROM with
thermal sensor in an 8-pin MLF package. This module is a 204-pin small-outline dual in-line memory module and is
intended for mounting into an edge connector socket. Decoupling capacitors are mounted on the printed circuit board
for each DDR3 SDRAM.
• 204-pin, small-outline dual in-line memory module (SODIMM)
• Fast data transfer rate: PC3-8500
• VDD = VDDQ = 1.5V +/-0.075V
• JEDEC standard 1.5V +/-0.075V I/O (SSTL_15 compatible)
• VDDSPD = 3.0V to 3.6V
• Eight internal component banks for concurrent operation
• 8-bit pre-fetch architecture
• Bi-directional differential data-strobe
• Nominal and dynamic on-die termination (ODT)
• ZQ calibration support
• Programmable CAS# latency: 7 (DDR3-1066)
• Programmable burst; length (8)
• Average refresh period 7.8 us
• Asynchronous reset
• Fly-by topology
• On board terminated command, address, and control bus
• Serial presence detect (SPD) EEPROM with thermal sensor
• Thermal sensor range: -40
o
C to +125
o
C (Max +/-3
o
C accuracy)
• JEDEC pinout
• Gold edge contacts
• Lead-free, RoHS compliant
• PCB: Height 30.00mm (1.181”), double sided component
• Industrial temperature (TOPER): -40
o
C to +95
o
C (module screening using
commercial DRAM)
Notes: Double refresh rate is required when 85
o
C < TOPER <= 95
o
C.
TOPER is DRAM case temperature (Tc)
