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New 144Mbit SigmaQuad/DDR-II and SigmaQuad/DDR-II+ SRAMs

GSI Technology is shipping 144Mbit SigmaQuad-II™/-II+™ and SigmaDDR-II™/-II+™ SRAMs.   With multiple types, organizations, and speeds, they are an excellent choice as an upgrade to current designs that require more high speed memory or to new high performance designs that require higher speeds.    
Press Release
Presentation
FAQ
Technical Notes
ODT Control
Application Note

SigmaQuad-II, SigmaDDR-II, and SigmaSIO DDR-II SRAMs
and
SigmaQuad-II+ and SigmaDDR-II+ SRAMs

SigmaQuad-II Burst of 2 SRAMs
Part No.
Org.
Operating
Mode
VDD and
I/O
Voltage
FT Access
Time
(ns)
Speed
(MHz)
Pkg.
Status
Datasheet
4M x 36
8M x 18
16M x 9
16M x 8
PL
1.8 V VDD;
1.5/1.8 V I/O
n/a

250,
200, 167
E/GE
Samples
SigmaQuad-II Burst of 4 SRAMs
Part No.
Org.
Operating
Mode
VDD and
I/O
Voltage
FT Access
Time
(ns)
Speed
(MHz)
Pkg.
Status
Datasheet
4M x 36
8M x 18
16M x 9
16M x 8
PL
1.8 V VDD;
1.5/1.8 V I/O
n/a
333, 300,
250, 200, 167
E/GE
Samples
SigmaDDR-II Burst of 2 SRAMs
Part No.
Org.
Operating
Mode
VDD and
I/O
Voltage
FT Access
Time
(ns)
Speed
(MHz)
Pkg.
Status
Datasheet
4M x 36
8M x 18
16M x 9
16M x 8
PL
1.8 V VDD;
1.5/1.8 V I/O
n/a
333, 300,
250, 200, 167
E/GE
Samples
SigmaDDR-II Burst of 4 SRAMs
Part No.
Org.
Operating
Mode
VDD and
I/O
Voltage
FT Access
Time
(ns)
Speed
(MHz)
Pkg.
Status
Datasheet
4M x 36
8M x 18
16M x 9
16M x 8
PL
1.8 V VDD;
1.5/1.8 V I/O
n/a
333, 300,
250, 200, 167
E/GE
Samples
SigmaSIO DDR-II SRAMs
Part No.
Org.
Operating
Mode
VDD and
I/O
Voltage
FT Access
Time
(ns)
Speed
(MHz)
Pkg.
Status
Datasheet
4M x 36
8M x 18
16M x 9
16M x 8
PL
1.8 V VDD;
1.5/1.8 V I/O
n/a
333, 300,
250, 200, 167
E/GE
Samples
pdf
SigmaQuad-II+ Burst of 4 SRAMs
Read Latency = 2.0
On-Die Termination Option
Part No.
Org.
Operating
Mode
VDD and
I/O
Voltage
FT Access
Time
(ns)
Speed
(MHz)
Pkg.
Status
Datasheet
4M x 36
8M x 18
16M x 9
16M x 8
PL
1.8 V VDD;
1.5/1.8 V I/O
n/a

400, 375, 333, 300
E/GE
Samples
SigmaQuad-II+ Burst of 4 SRAMs
Read Latency = 2.5
On-Die Termination Option
Part No.
Org.
Operating
Mode
VDD and
I/O
Voltage
FT Access
Time
(ns)
Speed
(MHz)
Pkg.
Status
Datasheet
4M x 36
8M x 18
16M x 9
16M x 8
PL
1.8 V VDD;
1.5/1.8 V I/O
n/a
450, 400, 375, 333, 300
E/GE
Samples
SigmaDDR-II+ Burst of 2 SRAMs
Read Latency = 2.0
On-Die Termination Option
Part No.
Org.
Operating
Mode
VDD and
I/O
Voltage
FT Access
Time
(ns)
Speed
(MHz)
Pkg.
Status
Datasheet
4M x 36
8M x 18
16M x 9
16M x 8
PL
1.8 V VDD;
1.5/1.8 V I/O
n/a
400, 375, 333, 300
E/GE
Samples
SigmaDDR-II+ Burst of 2 SRAMs
Read Latency = 2.5
On-Die Termination Option
Part No.
Org.
Operating
Mode
VDD and
I/O
Voltage
FT Access
Time
(ns)
Speed
(MHz)
Pkg.
Status
Datasheet
4M x 36
8M x 18
16M x 9
16M x 8
PL
1.8 V VDD;
1.5/1.8 V I/O
n/a
450, 400, 375, 333, 300
E/GE
Samples
 
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