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1213 Elko Drive 
Sunnyvale, CA 94089 
408-331-8800  
  
quad
ddr
sync
 
 
 
 
 
Specialty SRAMs
 

= Available in both 6/6 and 5/6 RoHS compliance
= Available in only 5/6 RoHS compliance
   Part Number Decoder
CIO Late Write (LW) SigmaRAM™
1.8 V VDD;
1.8 V I/O
 Configuration
Speed
(MHz)
Pipeline
tKQ
(ns)
Package
Features
TQFP
BGA
100
119
209
165
512K x 36
256K x 72
350–250
1.7–2.1
 
 
 
Late Write
CIO Double Late Write (DW) SigmaRAM™
1.8 V VDD;
1.5/1.8 V I/O
 Configuration
Speed
(MHz)
Pipeline
tKQ
(ns)
Package
Features
TQFP
BGA
100
119
209
165
512K x 36
256K x 72
350–250
1.7–2.1
 
 
 
HSTL; Double Late Write
512K x 36
256K x 72
350–250
1.7–2.1
 
 
 
CMOS; Double Late Write
CIO Double Data Rate (DDR) SigmaRAM™
1.8 V VDD;
1.8 V I/O
 Configuration
Speed
(MHz)
Pipeline
tKQ
(ns)
Package
Features
TQFP
BGA
100
119
209
165
512K x 36
333–200
1.8–2.1
 
 
 
Double Data Rate
Register-to-Register Late Write SRAMs
2.5 V VDD;
1.5/1.8 V I/O
 Configuration
Speed
(MHz)
Pipeline
tKQ
(ns)
Package
Features
TQFP
BGA
100
119
209
165
1M x 18
512K x 36
357–250
1.4–2.0
 
 
 
Late Write
1.8 V VDD;
1.5/1.8 V I/O
 Configuration
Speed
(MHz)
Pipeline
tKQ
(ns)
Package
Features
TQFP
BGA
100
119
209
165
1M x 18
512K x 3
357–250
1.4–2.0
 
 
 
Late Write

 

 

 

 

 

 
 
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