DESCRIPTION
Document No. VAL UERAM1446-001.C00 02/24/15 Page 1
SPECIFICATIONS
*Power will vary depending on the SDRAM used.
KVR21R15S4/8
8GB 1Rx4 1G x 72-Bit PC4-2133
CL15 Registered w/Parity 288-Pin DIMM
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FEATURES
ValueRAM's KVR21R15S4/8 is a 1G x 72-bit (8GB) DDR4-2133
CL15 SDRAM (Synchronous DRAM) registered w/ parity, 1Rx4,
ECC, memory module, based on eighteen 1G x 4-bit FBGA
components. The SPD is programmed to JEDEC standard
latency DDR4-2133 timing of 15-15-15 at 1.2V. Each 288-pin
DIMM uses gold contact fingers. The electrical and mechanical
specifications are as follows:
CL(IDD)
Row Cycle Time (tRCmin)
Refresh to Active/Refresh
Command Time 1x mode (tRFCmin)
Row Active T ime (tRASmin)
Maximum Operating Power
UL Rating
Operating Temperature
Storage Temperature
15 cycles
47.05ns(min.)
260ns(min.)
33.00ns(min.)
3.89 W*
94 V - 0
0o C to +85o C
-55o C to +100o C
Memory Module Specifi cations
• Power Supply: VDD=1.2V (1.14V to 1.26V)
• VDDQ = 1.2V (1.14V to 1.26V)
• VPP - 2.5V (2.375V to 2.75V)
• VDDSPD=2.25V to 2.75V
• Functionality and operations comply with the DDR4 SDRAM datasheet
• 16 internal banks
• Bank Grouping is applied, and CAS to CAS latency (tCCD_L, tCCD_S) for
the banks in the same or different bank group accesses are available
• Data transfer rates: PC4-2133, PC4-1866, PC4-1600
• Bi-Directional Differential Data Strobe
• 8 bit pre-fetch
• Burst Length (BL) switch on-the-fly BL8 or BC4(Burst Chop)
• Supports ECC error correction and detection
• On-Die Termination (ODT)
• Temperature sensor with integrated SPD
• This product is in compliance with the RoHS directive.
• Per DRAM Addressability is supported
• Internal Vref DQ level generation is available
• Write CRC is supported at all speed grades
• CA parity (Command/Address Parity) mode is supported
Document No. VALUERAM1446-001.C00 Page 2
MODULE DIMENSIONS
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