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
GS81302QT10GE-250I 144Mb x9 250 2 2 Weak/Strong 165 BGA yes Ind none Production-NRND
GS81302D37GE-375I 144Mb x36 350 4 2 Weak/None 165 BGA yes Ind none Production-NRND
GS8182Q08BD-250 18Mb x8 250 2 1.5 n/a 165 BGA no Comm none Production
GS81332DT37LE-350MV 144Mb x36 350 4 2 Weak/Strong 165 CLGA no Mil Rad-Hard,Class-V Screening Active
GS81302D08GE-250 144Mb x8 250 4 1.5 n/a 165 BGA yes Comm none Production-NRND
GS8662DT20BGD-400 72Mb x18 400 4 2.5 Weak/Strong 165 BGA yes Comm none Production
GS8342QT07BGD-300I 36Mb x8 300 2 2 Weak/Strong 165 BGA yes Ind none Production
GS81302DT37AGD-333 144Mb x36 333 4 2 Weak/Strong 165 BGA yes Comm none Production
GS82582DT38GE-450I 288Mb x36 450 4 2.5 Weak/Strong 165 BGA yes Ind none Production
GS81302DT37GE-333I 144Mb x36 333 4 2 Weak/Strong 165 BGA yes Ind none Production-NRND
GS8342Q18BGD-300 36Mb x18 300 2 1.5 n/a 165 BGA yes Comm none Production
GS82582Q18GE-333I 288Mb x18 333 2 1.5 n/a 165 BGA yes Ind none Production
GS8662QT19BGD-357 72Mb x18 357 2 2 Weak/Strong 165 BGA yes Comm none Production
GS81314LD37GK-933 144Mb x36 933 4 5 Weak/Strong/None 260 BGA yes Comm ECCRAM,1.2 V HSTL I/O,Single-Bank Production
GS81302D38GE-400I 144Mb x36 400 4 2.5 Weak/None 165 BGA yes Ind none Production-NRND
GS8342Q09BD-250 36Mb x9 250 2 1.5 n/a 165 BGA no Comm none Production
GS81302D38E-450I 144Mb x36 450 4 2.5 Weak/None 165 BGA no Ind none Production-NRND
GS8342D06BD-450 36Mb x8 450 4 2.5 Weak/None 165 BGA no Comm none Production
GS82582Q19GE-400 288Mb x18 400 2 2 Weak/None 165 BGA yes Comm none Production
GS8182D19BGD-400 18Mb x18 400 4 2 n/a 165 BGA yes Comm none Production

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