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ValueRAM's 512M x 64-bit (4GB) DDR3-1600 CL11 SDRAM (Synchronous DRAM) 1Rx8, memory module, based on eight 512M x 8-bit FBGA components.
The SPD is programmed to JEDEC standard latency DDR3-1600
timing of 11-11-11 at 1.5V. This 240-pin DIMM uses gold
The electrical and mechanical specifications are as follows:
JEDEC standard 1.5V (1.425V ~1.575V) Power Supply
VDDQ = 1.5V (1.425V ~ 1.575V)
800MHz fCK for 1600Mb/sec/pin
8 independent internal bank
Programmable CAS Latency: 11, 10, 9, 8, 7, 6
Programmable Additive Latency: 0, CL - 2, or CL - 1 clock
Burst Length: 8 (Interleave without any limit, sequential with starting address "000" only),
4 with tCCD = 4 which does not allow seamless read or write [either on the fly using A12 or MRS]
Bi-directional Differential Data Strobe Internal(self) calibration : Internal self calibration through ZQ
pin (RZQ : 240 ohm plus or minus 1%)
On Die Termination using ODT pin
Average Refresh Period 7.8us at lower than TCASE 85 Celsius system ,
3.9us at 85 Celsius system Less than TCASE Less than 95 Celsius system
PCB : Height 0.740" (18.75mm), single sided component
CL(IDD) 11 cycles
Row Cycle Time (tRCmin) 48.125ns (min.)
Refresh to Active/Refresh 260ns (min.)
Command Time (tRFCmin)
Row Active Time (tRASmin) 35ns (min.)
Maximum Operating Power 2.160 W*
UL Rating 94 V - 0
Operating Temperature 0 Celsius system to 85 Celsius system
Storage Temperature -55 Celsius system to +100 Celsius system
*Power will vary depending on the SDRAM used.
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