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
GS8182D08BGD-375I 18Mb x8 375 4 1.5 n/a 165 BGA yes Ind none Production
GS8342Q08BD-333I 36Mb x8 333 2 1.5 n/a 165 BGA no Ind none Production
GS8342Q19BD-200 36Mb x18 200 2 2 Weak/None 165 BGA no Comm none Production
GS81302D18AGD-300 144Mb x18 300 4 1.5 n/a 165 BGA yes Comm none Production
GS8692QT37CE-250MS 72Mb x36 250 2 2 Weak/Strong 165 CCGA no Mil Rad-Hard,ES Sampling Screening Active
GS8342DT38BGD-350I 36Mb x36 350 4 2.5 Weak/Strong 165 BGA yes Ind none Production
GS81302QT19E-300 144Mb x18 300 2 2 Weak/Strong 165 BGA no Comm none Production-NRND
GS8662DT20BGD-550 72Mb x18 550 4 2.5 Weak/Strong 165 BGA yes Comm none Production
GS8182D18BD-200 18Mb x18 200 4 1.5 n/a 165 BGA no Comm none Production
GS8662Q08BGD-333I 72Mb x8 333 2 1.5 n/a 165 BGA yes Ind none Production
GS8662Q37BD-300 72Mb x36 300 2 2 Weak/None 165 BGA no Comm none Production
GS8662Q07BGD-333 72Mb x8 333 2 2 Weak/None 165 BGA yes Comm none Production
GS82582D20GE-450 288Mb x18 450 4 2.5 Weak/None 165 BGA yes Comm none Production
GS81302Q36E-300M 144Mb x36 300 2 1.5 n/a 165 BGA no Mil none Contact Sales
GS82583EQ36GK-450 288Mb x36 450 2 3 Weak/Strong/None 260 BGA yes Comm none Production
GS81302D37GE-375 144Mb x36 350 4 2 Weak/None 165 BGA yes Comm none Production-NRND
GS8662D07BD-400 72Mb x8 400 4 2 Weak/None 165 BGA no Comm none Production
GS8342QT37BGD-333 36Mb x36 333 2 2 Weak/Strong 165 BGA yes Comm none Production
GS81302D38E-400 144Mb x36 400 4 2.5 Weak/None 165 BGA no Comm none Production-NRND
GS8182D37BGD-300I 18Mb x36 300 4 2 n/a 165 BGA yes Ind none Production

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