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 1660 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, 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
GS8673ED18BK-625IS 72Mb x18 625 4 3 Weak/Strong/None 260 BGA no Ind ECCRAM,GSI IP-specific Production
GS8342Q36BD-333I 36Mb x36 333 2 1.5 n/a 165 BGA no Ind none Production
GS8662D10BD-450I 72Mb x9 450 4 2 Weak/None 165 BGA no Ind none Production
GS81313LQ18GK-714 144Mb x18 714 2 3 Weak/Strong/None 260 BGA yes Comm ECCRAM Production
GS81302DT20GE-350I 144Mb x18 350 4 2.5 Weak/Strong 165 BGA yes Ind none Production-NRND
GS8662Q18BGD-200I 72Mb x18 200 2 1.5 n/a 165 BGA yes Ind none Production
GS81302QT10E-200I 144Mb x9 200 2 2 Weak/Strong 165 BGA no Ind none Production-NRND
GS8182D36BGD-250I 18Mb x36 250 4 1.5 n/a 165 BGA yes Ind none Production
GS8342DT10BGD-300I 36Mb x9 300 4 2 Weak/Strong 165 BGA yes Ind none Production
GS8342D20BD-350 36Mb x18 350 4 2.5 Weak/None 165 BGA no Comm none Production
GS8662DT37BGD-450I 72Mb x36 450 4 2 Weak/Strong 165 BGA yes Ind none Production
GS81302Q07GE-200I 144Mb x8 200 2 2 Weak/None 165 BGA yes Ind none Production-NRND
GS8662Q18BD-300 72Mb x18 300 2 1.5 n/a 165 BGA no Comm none Production
GS82582QT37GE-300I 288Mb x36 300 2 2 Weak/Strong 165 BGA yes Ind none Production
GS8342Q10BGD-200 36Mb x9 200 2 2 Weak/None 165 BGA yes Comm none Production
GS8662D11BD-500 72Mb x9 500 4 2.5 Weak/None 165 BGA no Comm none Production
GS8182Q09BD-167I 18Mb x9 167 2 1.5 n/a 165 BGA no Ind none Production
GS8342DT11BGD-350I 36Mb x9 350 4 2.5 Weak/Strong 165 BGA yes Ind none Production
GS8342Q19BD-200 36Mb x18 200 2 2 Weak/None 165 BGA no Comm none Production
GS8662DT38BGD-500 72Mb x36 500 4 2.5 Weak/Strong 165 BGA yes Comm none Production

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