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JetRam is a superior line of standard memory modules for value-conscious consumers. Thrifty shoppers can increase the cost effectiveness of their memory purchase by choosing JetRam reliability and quality. JetRam memory modules are assembled from high quality chips from brand name chip manufacturers. You can count on stability and performance from your JetRam memory modules.
The JM388D643A-5L is a 128Mx64bits Double Data Rate SDRAM high-density JM388D643A-5L consists of 16pcs CMOS 64Mx8 bits Double Data Rate SDRAMs in 66 pin TSOP-II 400mil packages and a 2048 bits serial EEPROM on a 184-pin printed circuit board. The JM388D643A-5L is a Dual In-Line Memory Module and is intended for mounting into 184-pin edge connector sockets.
Synchronous design allows precise cycle control with the use of system clock. Data I/O transactions are possible on both edges of DQS. Range of operation frequencies, programmable latencies allow the same device to be useful for a variety of high bandwidth, high performance memory system applications.
Features:
RoHS compliant products.
Power supply: VDD: 2.6V ± 0.1V, VDDQ: 2.6V ±0.1V
Max clock Freq: 200MHZ.
Double-data-rate architecture; two data transfers per clock cycle
Differential clock inputs (CK and /CK)
Burst Mode Operation.
Auto and Self Refresh.
Data I/O transactions on both edge of data strobe.
Edge aligned data output, center aligned data input.
Serial Presence Detect (SPD) with serial EEPROM
SSTL-2 compatible inputs and outputs.
MRS cycle with address key programs.
CAS Latency (Access from column address): 3 Burst Length (2, 4, 8 )
Data Sequence (Sequential & Interleave)
Product Details:
Memory Size: 1 GB
Memory Technology: DDR SDRAM
Memory Speed: 400MHz (PC-3200)
Number of Modules: 1 x 1GB
Form Factor: 184-pin
Data Integrity Check: Non-ECC
Memory Technology: DDR SDRAM
Memory Speed: 400MHz (PC-3200)
Number of Modules: 1 x 1GB
Form Factor: 184-pin
Data Integrity Check: Non-ECC
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