Error Correction Code (ECC) brochure

Error Correction Code (ECC)
Based New High Speed Low
Power 4Mb Asynchronous SRAM
ISSI’s latest Error Correction based 4Mb High Speed Low Power
Asynchronous SRAM is currently sampling. This innovative
design reinforces ISSI’s long-term commitment to SRAMs with
the highest quality and performance. This industry’s first Error
Correction Code (ECC) based Asynchronous SRAM meets high
quality requirements in automotive, industrial, military-aerospace,
and other applications.
Error Detection and Error Correction
• Independent ECC with hamming code for each byte
• Detect and correct one bit error per each byte
• Better reliability than parity code schemes which can only detect
an error but not correct an error
• Backward Compatible: Drop in replacement to current in industry
standard devices (without ECC)
A0-A17
IO0-7
IO8-15
Memory
Lower IO
Array
256Kx8
Decoder
8
8
/CE
/OE
/WE
/UB
/LB
12
8
I/O Data
Circuit
8
ECC Array
256K
x4
4
ECC
8
ECC
Memory
Upper IO
Array
256Kx8
8
► Applications
• Automotive
• Military-Aerospace/Medical
• Industrial
• Telecom/Networking
ECC Array
256K
x4
4
► Click here for datasheet
Column I/O
12
► Additional ECC Async SRAMs
Control
Circuit
• 2Mb, 8Mb
Key Features
IS64WV25616EDBLL (A1)
IS64WV25616EDBLL (A3)
Comments
Temperature
Support
Industrial
(-40oC to +85oC)
Automotive
(-40oC to +125oC)
Contact ISSI for military
temperature
Technology
65nm
65nm
Standby Current
9mA
20mA
Typical value 2mA
Operating Current
45mA
65mA
Typical value 25 mA
Data Retention Current
9mA
15mA
Typical value 2mA
TSOP-II (44 pins)
BGA (48 pins)
TSOP-II (44 pins)
BGA (48 pins)
Pin compatible with industry standard 4Mb Async.
SRAM
Speed
10ns
10ns
Copper Leadframe
Yes
Yes
Improved thermal
performance
Lead-free and
Leaded
Yes
Yes
RoHS Compliant
Sampling
Sampling
Packaging
Availability
June 2012
1940 Zanker Rd., San Jose, CA. 95112 • Tel: 408.969.6600 • Support: [email protected] • www.issi.com