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
GS81302DT10E-400 144Mb x9 400 4 2 Weak/Strong 165 BGA no Comm none Production
GS82582Q37GE-375 288Mb x36 375 2 2 Weak/None 165 BGA yes Comm none Production
GS81302D19AGD-333 144Mb x18 333 4 2 Weak/None 165 BGA yes Comm none Samples
GS82582Q37GE-300I 288Mb x36 300 2 2 Weak/None 165 BGA yes Ind none Production
GS8662DT19BGD-350I 72Mb x18 350 4 2 Weak/Strong 165 BGA yes Ind none Production
GS8342D08BGD-400 36Mb x8 400 4 1.5 n/a 165 BGA yes Comm none Production
GS81302D08E-333I 144Mb x8 333 4 1.5 n/a 165 BGA no Ind none Production
GS8673EQ18BK-625S 72Mb x18 625 2 3 Weak/Strong/None 260 BGA no Comm ECCRAM,GSI IP-specific Production
GS8342Q07BGD-333 36Mb x8 333 2 2 Weak/None 165 BGA yes Comm none Production
GS82583ED18GK-550I 288Mb x18 550 4 3 Weak/Strong/None 260 BGA yes Ind none Production
GS8662Q36BGD-250 72Mb x36 250 2 1.5 n/a 165 BGA yes Comm none Production
GS8662DT37BD-333 72Mb x36 333 4 2 Weak/Strong 165 BGA no Comm none Production
GS8662DT20BGD-400 72Mb x18 400 4 2.5 Weak/Strong 165 BGA yes Comm none Production
GS82582D18E-333I 288Mb x18 333 4 1.5 n/a 165 BGA no Ind none Production
GS8182Q09BGD-200 18Mb x9 200 2 1.5 n/a 165 BGA yes Comm none Production
GS8342D07BD-400 36Mb x8 400 4 2 Weak/None 165 BGA no Comm none Production
GS8662QT19BGD-357 72Mb x18 357 2 2 Weak/Strong 165 BGA yes Comm none Production
GS8672Q18BGE-400I 72Mb x18 400 2 1.5 n/a 165 BGA yes Ind ECCRAM NRND
GS8662DT20BD-350I 72Mb x18 350 4 2.5 Weak/Strong 165 BGA no Ind none Production
GS8662Q07BD-300 72Mb x8 300 2 2 Weak/None 165 BGA no Comm none Production

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