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
GS8182Q09BD-300I 18Mb x9 300 2 1.5 n/a 165 BGA no Ind none Production
GS8672Q36BE-250I 72Mb x36 250 2 1.5 n/a 165 BGA no Ind ECCRAM NRND
GS8342DT19BGD-300I 36Mb x18 300 4 2 Weak/Strong 165 BGA yes Ind none Production
GS81302QT37GE-318 144Mb x36 318 2 2 Weak/Strong 165 BGA yes Comm none Production
GS81302D38AGD-450I 144Mb x36 450 4 2.5 Weak/None 165 BGA yes Ind none Samples
GS8673ED36BK-625S 72Mb x36 625 4 3 Weak/Strong/None 260 BGA no Comm ECCRAM,GSI IP-specific Production
GS81302D06GE-400I 144Mb x8 400 4 2.5 Weak/None 165 BGA yes Ind none Production
GS8342QT10BD-333I 36Mb x9 333 2 2 Weak/Strong 165 BGA no Ind none Production
GS8182Q08BD-300M 18Mb x8 300 2 1.5 n/a 165 BGA no Mil none Production
GS81302D18GE-350I 144Mb x18 350 4 1.5 n/a 165 BGA yes Ind none Production
GS8342DT38BGD-550 36Mb x36 550 4 2.5 Weak/Strong 165 BGA yes Comm none Production
GS8662Q10BGD-200I 72Mb x9 200 2 2 Weak/None 165 BGA yes Ind none Production
GS81313LQ18GK-714M 144Mb x18 714 2 3 Weak/Strong/None 260 BGA yes Mil ECCRAM Production
GS82582D37GE-450 288Mb x36 450 4 2 Weak/None 165 BGA yes Comm none Production
GS81302DT20E-400I 144Mb x18 400 4 2.5 Weak/Strong 165 BGA no Ind none Production
GS8662DT10BGD-400I 72Mb x9 400 4 2 Weak/Strong 165 BGA yes Ind none Production
GS8342Q36BD-357I 36Mb x36 357 2 1.5 n/a 165 BGA no Ind none Production
GS81302D08E-300 144Mb x8 300 4 1.5 n/a 165 BGA no Comm none Production
GS8342QT37BGD-357 36Mb x36 357 2 2 Weak/Strong 165 BGA yes Comm none Production
GS8672D38BGE-400I 72Mb x36 400 4 2.5 Weak/None 165 BGA yes Ind ECCRAM NRND

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