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
GS81302Q36E-300M 144Mb x36 300 2 1.5 n/a 165 BGA no Mil none Contact Sales
GS81302DT37E-300I 144Mb x36 300 4 2 Weak/Strong 165 BGA no Ind none Production-NRND
GS8662D36BGD-250 72Mb x36 250 4 1.5 n/a 165 BGA yes Comm none Production
GS8342D06BD-400 36Mb x8 400 4 2.5 Weak/None 165 BGA no Comm none Production
GS81314LQ18GK-133I 144Mb x18 1333 2 6 Weak/Strong/None 260 BGA yes Ind ECCRAM,1.2 V HSTL I/O,Multi-Bank Production
GS8342D09BD-400I 36Mb x9 400 4 1.5 n/a 165 BGA no Ind none Production
GS81332QT19CE-250MV 144Mb x18 250 2 2 Weak/Strong 165 CCGA no Mil Rad-Hard,Class-V Screening Active
GS8662DT37BD-333I 72Mb x36 333 4 2 Weak/Strong 165 BGA no Ind none Production
GS8182D18BGD-200I 18Mb x18 200 4 1.5 n/a 165 BGA yes Ind none Production
GS8182D37BGD-300I 18Mb x36 300 4 2 n/a 165 BGA yes Ind none Production
GS8662D18BD-250 72Mb x18 250 4 1.5 n/a 165 BGA no Comm none Production
GS8342DT11BGD-450 36Mb x9 450 4 2.5 Weak/Strong 165 BGA yes Comm none Production
GS8673EQ18BGK-550S 72Mb x18 550 2 3 Weak/Strong/None 260 BGA yes Comm ECCRAM,GSI IP-specific Production
GS8342Q07BD-250 36Mb x8 250 2 2 Weak/None 165 BGA no Comm none Production
GS8662DT10BGD-400I 72Mb x9 400 4 2 Weak/Strong 165 BGA yes Ind none Production
GS8342D10BGD-400 36Mb x9 400 4 2 Weak/None 165 BGA yes Comm none Production
GS81302D11GE-450I 144Mb x9 450 4 2.5 Weak/None 165 BGA yes Ind none Production-NRND
GS81302D08GE-300 144Mb x8 300 4 1.5 n/a 165 BGA yes Comm none Production-NRND
GS8342QT10BGD-300 36Mb x9 300 2 2 Weak/Strong 165 BGA yes Comm none Production
GS8673ED36BK-725S 72Mb x36 725 4 3 Weak/Strong/None 260 BGA no Comm ECCRAM,GSI IP-specific Production

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