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 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 836 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
GS8342Q07BD-357 36Mb x8 357 2 2 Weak/None 165 BGA no Comm none Production
GS8662D36BGD-400I 72Mb x36 400 4 1.5 n/a 165 BGA yes Ind none Production
GS8672D37BGE-300 72Mb x36 300 4 2 Weak/None 165 BGA yes Comm ECCRAM NRND
GS8342D09BGD-333I 36Mb x9 333 4 1.5 n/a 165 BGA yes Ind none Production
GS8662DT06BD-350 72Mb x8 350 4 2.5 Weak/Strong 165 BGA no Comm none Production
GS8662QT19BD-300I 72Mb x18 300 2 2 Weak/Strong 165 BGA no Ind none Production
GS81302Q37GE-250I 144Mb x36 250 2 2 Weak/None 165 BGA yes Ind none Production
GS8342D10BGD-400 36Mb x9 400 4 2 Weak/None 165 BGA yes Comm none Production
GS81302D38AGD-550I 144Mb x36 550 4 2.5 Weak/None 165 BGA yes Ind none Samples
GS81302QT10GE-250 144Mb x9 250 2 2 Weak/Strong 165 BGA yes Comm none Production
GS81302D07GE-400I 144Mb x8 400 4 2 Weak/Strong 165 BGA yes Ind none Production
GS8672Q19BE-375I 72Mb x18 375 2 2 Weak/None 165 BGA no Ind ECCRAM NRND
GS8182Q09BGD-333 18Mb x9 333 2 1.5 n/a 165 BGA yes Comm none Production
GS8342D11BGD-500 36Mb x9 500 4 2.5 Weak/None 165 BGA yes Comm none Production
GS81314LQ18GK-106I 144Mb x18 1066 2 6 Weak/Strong/None 260 BGA yes Ind ECCRAM,1.2 V HSTL I/O,Multi-Bank Production
GS82582DT38GE-450 288Mb x36 450 4 2.5 Weak/Strong 165 BGA yes Comm none Production
GS81302DT07GE-400I 144Mb x8 400 4 2 Weak/Strong 165 BGA yes Ind none Production
GS82582QT38GE-500 288Mb x36 500 2 2.5 Weak/Strong 165 BGA yes Comm none Production
GS8182Q36BD-333 18Mb x36 333 2 1.5 n/a 165 BGA no Comm none Production
GS8342Q37BGD-300I 36Mb x36 300 2 2 Weak/None 165 BGA yes Ind none Production

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