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, Samples, 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, Contact Sales, 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
GS8342D10BD-300I 36Mb x9 300 4 2 Weak/None 165 BGA no Ind none Production
GS81302D37AGD-400 144Mb x36 400 4 2 Weak/None 165 BGA yes Comm none Samples
GS81302QT07E-250I 144Mb x8 250 2 2 Weak/Strong 165 BGA no Ind none Production
GS8342D36BGD-350 36Mb x36 350 4 1.5 n/a 165 BGA yes Comm none Production
GS8662QT07BD-300 72Mb x8 300 2 2 Weak/Strong 165 BGA no Comm none Production
GS8662QT37BGD-250I 72Mb x36 250 2 2 Weak/Strong 165 BGA yes Ind none Production
GS82582Q36E-333I 288Mb x36 333 2 1.5 n/a 165 BGA no Ind none Production
GS8342D20BD-550 36Mb x18 550 4 2.5 Weak/None 165 BGA no Comm none Production
GS81314LD36GK-133I 144Mb x36 1333 4 6 Weak/Strong/None 260 BGA yes Ind ECCRAM,1.2 V HSTL I/O,Multi-Bank Production
GS82582QT19GE-333I 288Mb x18 333 2 2 Weak/Strong 165 BGA yes Ind none Production
GS81302D07E-333 144Mb x8 333 4 2 Weak/Strong 165 BGA no Comm none Production
GS8342D18BD-300 36Mb x18 300 4 1.5 n/a 165 BGA no Comm none Production
GS8662DT37BD-333I 72Mb x36 333 4 2 Weak/Strong 165 BGA no Ind none Production
GS8342D37BGD-300 36Mb x36 300 4 2 Weak/None 165 BGA yes Comm none Production
GS8342Q19BD-357 36Mb x18 357 2 2 Weak/None 165 BGA no Comm none Production
GS8182Q36BGD-200I 18Mb x36 200 2 1.5 n/a 165 BGA yes Ind none Production
GS8673EQ18BGK-500 72Mb x18 500 2 3, 2 Weak/Strong/None 260 BGA yes Comm ECCRAM Production
GS8662D18BGD-400 72Mb x18 400 4 1.5 n/a 165 BGA yes Comm none Production
GS81302DT07E-333 144Mb x8 333 4 2 Weak/Strong 165 BGA no Comm none Production
GS8342D38BGD-350 36Mb x36 350 4 2.5 Weak/None 165 BGA yes Comm none Production

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