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 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
GS8662DT11BD-450I 72Mb x9 450 4 2.5 Weak/Strong 165 BGA no Ind none Production
GS8342D07BGD-400I 36Mb x8 400 4 2 Weak/None 165 BGA yes Ind none Production
GS81302Q38AGD-450I 144Mb x36 450 2 2.5 Weak/None 165 BGA yes Ind none Samples
GS81302Q07GE-250 144Mb x8 250 2 2 Weak/None 165 BGA yes Comm none Production
GS8342QT37BD-300 36Mb x36 300 2 2 Weak/Strong 165 BGA no Comm none Production
GS8182Q36BD-300 18Mb x36 300 2 1.5 n/a 165 BGA no Comm none Production
GS8662D18BD-400 72Mb x18 400 4 1.5 n/a 165 BGA no Comm none Production
GS8342QT10BD-250I 36Mb x9 250 2 2 Weak/Strong 165 BGA no Ind none Production
GS8673EQ36BGK-625S 72Mb x36 625 2 3 Weak/Strong/None 260 BGA yes Comm ECCRAM,GSI IP-specific Production
GS8342D06BGD-500I 36Mb x8 500 4 2.5 Weak/None 165 BGA yes Ind none Production
GS81302DT20AGD-500I 144Mb x18 500 4 2.5 Weak/Strong 165 BGA yes Ind none Samples
GS8662QT07BD-200I 72Mb x8 200 2 2 Weak/Strong 165 BGA no Ind none Production
GS8182D09BD-400 18Mb x9 400 4 1.5 n/a 165 BGA no Comm none Production
GS81302QT10GE-200 144Mb x9 200 2 2 Weak/Strong 165 BGA yes Comm none Production
GS81302D07GE-300I 144Mb x8 300 4 2 Weak/Strong 165 BGA yes Ind none Production
GS8662DT11BGD-450I 72Mb x9 450 4 2.5 Weak/Strong 165 BGA yes Ind none Production
GS81302Q09GE-300 144Mb x9 300 2 1.5 n/a 165 BGA yes Comm none Production
GS8662DT10BGD-333I 72Mb x9 333 4 2 Weak/Strong 165 BGA yes Ind none Production
GS8342Q07BGD-300I 36Mb x8 300 2 2 Weak/None 165 BGA yes Ind none Production
GS81314LD19GK-933 144Mb x18 933 4 5 Weak/Strong/None 260 BGA yes Comm ECCRAM,1.2 V HSTL I/O,Single-Bank Production

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