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 84 products
144Mb x18, x36 Up to 1333 4, 2 6, 5 Weak/Strong/None 260 BGA yes Comm, Ind, Mil See Individual Products Production
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
SigmaQuad-II+
View 1804 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, Ceramic 165 BGA yes, no Comm, Ind, Mil See Individual Products Production, NRND, Samples, Active
SigmaQuad-II
View 828 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, Contact Sales, NRND, Samples
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
GS8342Q36BD-333 36Mb x36 333 2 1.5 n/a 165 BGA no Comm none Production
GS8342D20BD-450I 36Mb x18 450 4 2.5 Weak/None 165 BGA no Ind none Production
GS8662Q36BGD-250 72Mb x36 250 2 1.5 n/a 165 BGA yes Comm none Production
GS8662QT19BD-300 72Mb x18 300 2 2 Weak/Strong 165 BGA no Comm none Production
GS82582D37GE-450I 288Mb x36 450 4 2 Weak/None 165 BGA yes Ind none Production
GS8673ED18BK-550 72Mb x18 550 4 3, 2 Weak/Strong/None 260 BGA no Comm ECCRAM Production
GS81302DT38E-350I 144Mb x36 350 4 2.5 Weak/Strong 165 BGA no Ind none Production
GS81313LQ36GK-600I 144Mb x36 600 2 3 Weak/Strong/None 260 BGA yes Ind ECCRAM Production
GS8342Q19BD-300I 36Mb x18 300 2 2 Weak/None 165 BGA no Ind none Production
GS8672Q18BGE-400I 72Mb x18 400 2 1.5 n/a 165 BGA yes Ind ECCRAM NRND
GS8672Q19BE-375 72Mb x18 375 2 2 Weak/None 165 BGA no Comm ECCRAM NRND
GS8662DT19BD-400 72Mb x18 400 4 2 Weak/Strong 165 BGA no Comm none Production
GS8342Q19BGD-200I 36Mb x18 200 2 2 Weak/None 165 BGA yes Ind none Production
GS8182Q08BGD-250I 18Mb x8 250 2 1.5 n/a 165 BGA yes Ind none Production
GS81302Q20AGD-500 144Mb x18 500 2 2.5 Weak/None 165 BGA yes Comm none Samples
GS8662DT11BD-450I 72Mb x9 450 4 2.5 Weak/Strong 165 BGA no Ind none Production
GS8342D37BGD-333 36Mb x36 333 4 2 Weak/None 165 BGA yes Comm none Production
GS8662D18BD-400 72Mb x18 400 4 1.5 n/a 165 BGA no Comm none Production
GS81302D09GE-333I 144Mb x9 333 4 1.5 n/a 165 BGA yes Ind none Production
GS8342D19BD-300I 36Mb x18 300 4 2 Weak/None 165 BGA no Ind none Production

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