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
GS8342DT06BD-400I 36Mb x8 400 4 2.5 Weak/Strong 165 BGA no Ind none Production
GS8182Q09BD-250 18Mb x9 250 2 1.5 n/a 165 BGA no Comm none Production
GS8673EQ18BK-550 72Mb x18 550 2 3, 2 Weak/Strong/None 260 BGA no Comm ECCRAM Production
GS81302D11GE-500I 144Mb x9 500 4 2.5 Weak/None 165 BGA yes Ind none Production
GS81302D37AGD-400 144Mb x36 400 4 2 Weak/None 165 BGA yes Comm none Samples
GS8342D06BGD-450 36Mb x8 450 4 2.5 Weak/None 165 BGA yes Comm none Production
GS8342QT19BD-357 36Mb x18 357 2 2 Weak/Strong 165 BGA no Comm none Production
GS8342Q36BGD-250I 36Mb x36 250 2 1.5 n/a 165 BGA yes Ind none Production
GS8662D38BD-400 72Mb x36 400 4 2.5 Weak/None 165 BGA no Comm none Production
GS8662Q10BD-357I 72Mb x9 357 2 2 Weak/None 165 BGA no Ind none Production
GS81302D08E-350 144Mb x8 350 4 1.5 n/a 165 BGA no Comm none Production
GS81314LQ36GK-120M 144Mb x36 1200 2 6 Weak/Strong/None 260 BGA yes Mil ECCRAM,1.2 V HSTL I/O,Multi-Bank Production
GS81302DT38E-500I 144Mb x36 500 4 2.5 Weak/Strong 165 BGA no Ind none Production
GS8662DT19BGD-450 72Mb x18 450 4 2 Weak/Strong 165 BGA yes Comm none Production
GS8342Q18BD-250I 36Mb x18 250 2 1.5 n/a 165 BGA no Ind none Production
GS8672D38BE-633I 72Mb x36 633 4 2.5 Weak/None 165 BGA no Ind ECCRAM NRND
GS81302QT10E-318 144Mb x9 318 2 2 Weak/Strong 165 BGA no Comm none Production
GS8662QT37BGD-333 72Mb x36 333 2 2 Weak/Strong 165 BGA yes Comm none Production
GS82582D18E-375 288Mb x18 375 4 1.5 n/a 165 BGA no Comm none Production
GS81313LQ36GK-800I 144Mb x36 800 2 3 Weak/Strong/None 260 BGA yes Ind ECCRAM Production

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