Quad SRAMs

GSI's SigmaQuad SRAMs are the acknowledged leader in the industry with their combination of capacity and performance. SigmaQuad transaction rates are unequaled by any competitors.


SigmaQuad SRAMs are synchronous memories with separate read and write data buses. “Quad” refers to their ability to transfer 4 beats of data (2 beats per data bus) in a single clock cycle. SigmaQuad memories are ideal for applications that alternate between read and write operations frequently, at operating speeds of 250 MHz and above.


GSI’s SigmaQuad devices are compatible with all competitor Quad Data Rate SRAMs.

 

Name Density Config. Speed (MHz) Burst Length Read Latency (RL) On-Die Termination Package 6/6 ROHS Temp Special Features Status
SigmaQuad-IVe
View 48 products
144Mb x18, x36 Up to 1333 4, 2 6, 5 Weak/Strong/None 260 BGA yes Comm, Ind, Mil See Individual Products Production, Active
SigmaQuad-IIIe
View 172 products
72Mb, 144Mb, 288Mb x18, x36 Up to 833 4, 2 3, 2 Weak/Strong/None 260 BGA no, yes Mil, Comm, Ind See Individual Products Production, Active
SigmaQuad-II+
View 1792 products
288Mb, 144Mb, 72Mb, 36Mb, 18Mb x18, x36, x8, x9 Up to 633 2, 4 2.5, 2 Weak/None, Weak/Strong, n/a 165 BGA, 165 CCGA, 165 CLGA yes, no Comm, Ind, Mil See Individual Products Production, Production-NRND, Active
SigmaQuad-II
View 752 products
288Mb, 144Mb, 72Mb, 36Mb, 18Mb x18, x36, x8, x9 Up to 400 4, 2 1.5 n/a 165 BGA no, yes Comm, Ind, Mil See Individual Products Production, Production-NRND, Contact Sales
SigmaQuad-I
View 16 products
18Mb x18, x36 Up to 200 2 1.5 n/a 165 BGA no, yes Comm, Ind See Individual Products Production
Part Number Density Config. Speed (MHz) Burst Length Read Latency (RL) On-Die Termination Package 6/6 RoHS Temp Special Features Status
GS81302D36AGD-375 144Mb x36 375 4 1.5 n/a 165 BGA yes Comm none Production
GS8673ED36BK-500 72Mb x36 500 4 3, 2 Weak/Strong/None 260 BGA no Comm ECCRAM Production
GS8662QT37BGD-357 72Mb x36 357 2 2 Weak/Strong 165 BGA yes Comm none Production
GS8342D18BGD-300 36Mb x18 300 4 1.5 n/a 165 BGA yes Comm none Production
GS81302DT07E-333I 144Mb x8 333 4 2 Weak/Strong 165 BGA no Ind none Production-NRND
GS82582Q18E-333I 288Mb x18 333 2 1.5 n/a 165 BGA no Ind none Production
GS8342D11BD-450 36Mb x9 450 4 2.5 Weak/None 165 BGA no Comm none Production
GS81314LD18GK-120 144Mb x18 1200 4 6 Weak/Strong/None 260 BGA yes Comm ECCRAM,1.2 V HSTL I/O,Multi-Bank Production
GS8662DT37BD-450 72Mb x36 450 4 2 Weak/Strong 165 BGA no Comm none Production
GS8342D09BD-400I 36Mb x9 400 4 1.5 n/a 165 BGA no Ind none Production
GS81302DT38GE-450 144Mb x36 450 4 2.5 Weak/Strong 165 BGA yes Comm none Production-NRND
GS8342D19BGD-400I 36Mb x18 400 4 2 Weak/None 165 BGA yes Ind none Production
GS82612DT37LE-250MS 288Mb x36 250 4 2 Weak/Strong 165 CLGA no Mil Rad-Hard,ES Sampling Screening Active
GS81302QT37E-250 144Mb x36 250 2 2 Weak/Strong 165 BGA no Comm none Production-NRND
GS8342Q10BD-300 36Mb x9 300 2 2 Weak/None 165 BGA no Comm none Production
GS8182Q36BGD-300 18Mb x36 300 2 1.5 n/a 165 BGA yes Comm none Production
GS8662DT20BD-450I 72Mb x18 450 4 2.5 Weak/Strong 165 BGA no Ind none Production
GS8662D09BGD-400 72Mb x9 400 4 1.5 n/a 165 BGA yes Comm none Production
GS81302Q10GE-300 144Mb x9 300 2 2 Weak/None 165 BGA yes Comm none Production-NRND
GS8342D20BGD-500I 36Mb x18 500 4 2.5 Weak/None 165 BGA yes Ind none Production

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