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 174 products
72Mb, 144Mb, 288Mb x18, x36 Up to 833 4, 2 3, 2 Weak/Strong/None 260 BGA no, yes Mil, Comm, Ind, Ext See Individual Products Production-NRND, Production, Active
SigmaQuad-II+
View 1864 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, 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
GS82582D38GE-500 288Mb x36 500 4 2_5 Weak/None 165 BGA yes Comm none Production
GS81302Q08E-300 144Mb x8 300 2 1_5 n/a 165 BGA no Comm none Production-NRND
GS8662DT37BD-450 72Mb x36 450 4 2 Weak/Strong 165 BGA no Comm none Production
GS8673EQ18BK-625S 72Mb x18 625 2 3 Weak/Strong/None 260 BGA no Comm ECCRAM,GSI IP-specific Production-NRND
GS81302D19E-400I 144Mb x18 400 4 2 Weak/None 165 BGA no Ind none Production-NRND
GS81302Q37AGD-333 144Mb x36 333 2 2 Weak/None 165 BGA yes Comm none Production
GS8662DT07BGD-350I 72Mb x8 350 4 2 Weak/Strong 165 BGA yes Ind none Production
GS82582D18GE-250 288Mb x18 250 4 1_5 n/a 165 BGA yes Comm none Production
GS8182D09BGD-250 18Mb x9 250 4 1_5 n/a 165 BGA yes Comm none Production
GS8342QT10BGD-250I 36Mb x9 250 2 2 Weak/Strong 165 BGA yes Ind none Production
GS8342Q09BD-300 36Mb x9 300 2 1_5 n/a 165 BGA no Comm none Production
GS81302DT19E-400I 144Mb x18 400 4 2 Weak/Strong 165 BGA no Ind none Production-NRND
GS81302D36AGD-375 144Mb x36 375 4 1_5 n/a 165 BGA yes Comm none Production
GS8662D38BD-500 72Mb x36 500 4 2_5 Weak/None 165 BGA no Comm none Production
GS8342DT11BD-550I 36Mb x9 550 4 2_5 Weak/Strong 165 BGA no Ind none Production
GS81302D11GE-400 144Mb x9 400 4 2_5 Weak/None 165 BGA yes Comm none Production-NRND
GS8662QT38CGD-400 72Mb x36 400 2 2_5 Weak/Strong 165 BGA yes Comm none Production
GS82612QT37LE-250MQ 288Mb x36 250 2 2 Weak/Strong 165 CLGA no Mil Rad-Hard,Class-Q Screening Active
GS8182D19BD-400I 18Mb x18 400 4 2 n/a 165 BGA no Ind none Production
GS8182D36BD-400 18Mb x36 400 4 1_5 n/a 165 BGA no Comm none Production

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