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1213 Elko Drive 
Sunnyvale, CA 94089 
408-331-8800  
  
GSI Technology SRAM Product Families
Low Latency DRAMs
quad
ddr
sync
 
 
 
 

Synchronous Burst

= Available in both 6/6 and 5/6 RoHS compliance
= Available in only 6/6 RoHS compliance
= Available in only 5/6 RoHS compliance
   Part Number Decoder
65nm
2.5 V or 3.3 V
VDD and I/O
Configuration
Speed
(MHz)
Pipeline
tKQ
(ns)
Package
Features
TQFP
BGA
100
119
209
165
1M x 18
512K x 32
512K x 36
400–150
2.5–3.8
 
 
 
SCD (GS8161xxD)
DCD (GS8161ExxD)
1M x 18
512K x 32
512K x 36
400–150
2.5–3.8
 
 
JTAG;
SCD (GS8161xxD)
DCD (GS8161ExxD)
1M x 18
512K x 36
400–150
2.5–3.8
 
 
JTAG, FLXDrive™
1.8 V or 2.5 V
VDD and I/O
Configuration
Speed
(MHz)
Pipeline
tKQ
(ns)
Package
Features
TQFP
BGA
100
119
209
165
1M x 18
512K x 32
512K x 36
333–150
3.0–3.8
 
 
 
SCD (GS8161xxD-xxxV)
DCD (GS8161ExxD-xxxV)

1M x 18
512K x 32
512K x 36
333–150
3.0–3.8
 
 
JTAG;
SCD (GS8161xxD-xxxV)
DCD (GS8161ExxD-xxxV)
1M x 18
512K x 36
333–150
3.0–3.8
 
 
JTAG, FLXDrive™
0.13m
2.5 V or 3.3 V
VDD and I/O
Configuration
Speed
(MHz)
Pipeline
tKQ
(ns)
Package
Features
TQFP
BGA
100
119
209
165
1M x 18
512K x 32
512K x 36
250–150
2.5–3.8
 
 
 
SCD (GS8161xxB)
DCD (GS8161ExxB)

FT ONLY (GS8161FxxB)
1M x 18
512K x 32
512K x 36
250–150
2.5–3.8
 
 
JTAG;
SCD (GS8161xxB)
DCD (GS8161ExxB)
1M x 18
512K x 36
250–150
2.5–3.8
 
 
JTAG, FLXDrive™
256K x 72
333–150
2.8–3.8
 
 
 
JTAG, FLXDrive™
256K x 72
333–250
2.3–2.5
 
 
 
JTAG, FLXDrive™;
Improved tKQ in Pipeline mode
1.8 V or 2.5 V
VDD and I/O
Configuration
Speed
(MHz)
Pipeline
tKQ
(ns)
Package
Features
TQFP
BGA
100
119
209
165
1M x 18
512K x 32
512K x 36
250–150
3.0–3.8
 
 
 
SCD (GS8161xxB-xxxV)
DCD (GS8161ExxB-xxxV)

FT ONLY (GS8161FxxB)
1M x 18
512K x 32
512K x 36
250–150
3.0–3.8
 
 
JTAG;
SCD (GS8161xxB-xxxV)
DCD (GS8161ExxB-xxxV)
1M x 18
512K x 36
250–150
3.0–3.8
 
 
JTAG, FLXDrive™
256K x 72
250–150
3.0–3.8
 
 
 
JTAG, FLXDrive™
256K x 72
250
2.5
 
 
 
JTAG, FLXDrive™;
Improved tKQ in Pipeline mode
0.15m
2.5 V or 3.3 V
VDD and I/O
Configuration
Speed
(MHz)
Pipeline
tKQ
(ns)
Package
Features
TQFP
BGA
100
119
209
165
256K x 72
200–133
3.0–4.0
 
 
 
JTAG, FLXDrive™
Not Recommended for New Design
256K x 72
250–225
2.5
 
 
 
JTAG, FLXDrive™;
Improved tKQ in Pipeline mode
Not Recommended for New Design

 

 
 
 
 
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