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 174 products
72Mb, 144Mb, 288Mb x18, x36 Up to 833 4, 2 3, 2 Weak/Strong/None 260 BGA no, yes Mil, Comm, Ind, Ext See Individual Products Production-NRND, Production, Active
SigmaQuad-II+
View 1864 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, 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
GS8342QT07BGD-300 36Mb x8 300 2 2 Weak/Strong 165 BGA yes Comm none Production
GS81302DT20AGD-500I 144Mb x18 500 4 2_5 Weak/Strong 165 BGA yes Ind none Production
GS8342Q09BGD-333I 36Mb x9 333 2 1_5 n/a 165 BGA yes Ind none Production
GS8662D11BGD-450I 72Mb x9 450 4 2_5 Weak/None 165 BGA yes Ind none Production
GS82582Q38GE-500 288Mb x36 500 2 2_5 Weak/None 165 BGA yes Comm none Production
GS82582Q18GE-357 288Mb x18 357 2 1_5 n/a 165 BGA yes Comm none Production
GS81302D19E-333I 144Mb x18 333 4 2 Weak/None 165 BGA no Ind none Production-NRND
GS8342DT07BD-333 36Mb x8 333 4 2 Weak/Strong 165 BGA no Comm none Production
GS81313LQ36GK-714M 144Mb x36 714 2 3 Weak/Strong/None 260 BGA yes Mil ECCRAM Active
GS8342Q08BD-300I 36Mb x8 300 2 1_5 n/a 165 BGA no Ind none Production
GS8662Q10BGD-357 72Mb x9 357 2 2 Weak/None 165 BGA yes Comm none Production
GS8673ED36BGK-675I 72Mb x36 675 4 3, 2 Weak/Strong/None 260 BGA yes Ind ECCRAM Production
GS8182D37BD-400I 18Mb x36 400 4 2 n/a 165 BGA no Ind none Production
GS8662D20CGD-550 72Mb x18 550 4 2_5 Weak/None 165 BGA yes Comm none Production
GS81302DT19E-333I 144Mb x18 333 4 2 Weak/Strong 165 BGA no Ind none Production-NRND
GS8342DT06BD-400 36Mb x8 400 4 2_5 Weak/Strong 165 BGA no Comm none Production
GS81313LD18GK-714I 144Mb x18 714 4 3 Weak/Strong/None 260 BGA yes Ind ECCRAM Production
GS8662Q08BGD-333I 72Mb x8 333 2 1_5 n/a 165 BGA yes Ind none Production
GS8662D10BD-450 72Mb x9 450 4 2 Weak/None 165 BGA no Comm none Production
GS8342DT10BGD-350I 36Mb x9 350 4 2 Weak/Strong 165 BGA yes Ind none Production

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