Datasheet > GS8672T19AE-333

GS8672T19AE-333

更新时间： 2024-11-24 05:30:27

品牌	Logo	应用领域
GSI		双倍数据速率静态存储器
页数	文件大小	规格书
28页	967K
描述
DDR SRAM, 4MX18, 0.45ns, CMOS, PBGA165, 15 X 17 MM, 1 MM PITCH, FPBGA-165

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GS8672T19AE-333 数据手册

Preliminary

GS8672T19/37AE-400/375/333/300

72Mb SigmaDDR-II+^TM

Burst of 2 ECCRAM^TM

400 MHz–300 MHz

165-Bump BGA

Commercial Temp

Industrial Temp

1.8 V V

1.8 V and 1.5 V I/O

Features

Clocking and Addressing Schemes

• On-Chip ECC with virtually zero SER

• 2.0 Clock Latency

• Simultaneous Read and Write SigmaDDR™ Interface

• Common I/O bus

• JEDEC-standard pinout and package

• Double Data Rate interface

The GS8672T19/37AE SigmaDDR-II+ ECCRAMs are

synchronous devices. They employ two input register clock

inputs, K and K. K and K are independent single-ended clock

inputs, not differential inputs to a single differential clock input

buffer.

• Byte Write Capability

• Burst of 2 Read and Write

• 1.8 V +100/–100 mV core power supply

• 1.5 V or 1.8 V HSTL Interface

• Pipelined read operation with self-timed Late Write

• Fully coherent read and write pipelines

• ZQ pin for programmable output drive strength

• IEEE 1149.1 JTAG-compliant Boundary Scan

• Pin-compatible with present 9Mb, 18Mb, 36Mb and future

144Mb devices

Common I/O x36 and x18 SigmaDDR-II+ B2 RAMs always

transfer data in two packets. When a new address is loaded, A0

presets an internal 1 bit address counter. The counter

increments by 1 (toggles) for each beat of a burst of two data

transfer. Because the LSB is tied off internally, the address

field of a SigmaDDR-II+ B2 RAM is always one address pin

less than the advertised index depth (e.g., the 4M x 18 has a

2M addressable index).

On-Chip Error Correction Code

• 165-bump, 15 mm x 17 mm, 1 mm bump pitch BGA package

• RoHS-compliant 165-bump BGA package available

GSI's ECCRAMs implement an ECC algorithm that detects

and corrects all single-bit memory errors, including those

induced by Soft Error Rate (SER) events such as cosmic rays,

alpha particles etc. The resulting SER of these devices is

anticipated to be <0.002 FITs/Mb — a 5-order-of-magnitude

improvement over comparable SRAMs with no On-Chip ECC,

which typically have an SER of 200 FITs/Mb or more. SER

quoted above is based on reading taken at sea level.

SigmaDDR™ ECCRAM Overview

The GS8672T19/37AE ECCRAMs are built in compliance

with the SigmaDDR-II+ SRAM pinout standard for Common

I/O synchronous ECCRAMs. They are 75,497,472-bit (72Mb)

ECCRAMs. The GS8672T19/37AE SigmaCIO ECCRAMs are

just one element in a family of low power, low voltage HSTL

I/O ECCRAMs designed to operate at the speeds needed to

implement economical high performance networking systems.

However, the On-Chip Error Correction (ECC) will be

disabled if a “Half Write” operation is initiated. See the Byte

Write Contol section for further information.

Parameter Synopsis

-400

2.5 ns

0.45 ns

-375

-333

3.0 ns

0.45 ns

-300

3.3 ns

0.45 ns

tKHKH

tKHQV

2.66 ns

0.45 ns

Rev: 1.00 5/2010

1/28

Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.

12 3 4 5 6 7...28

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与GS8672T19AE-333相关器件

型号	品牌	获取价格	描述	数据表
GS8672T19AE-375I	GSI	获取价格	DDR SRAM, 4MX18, 0.45ns, CMOS, PBGA165, 15 X 17 MM, 1 MM PITCH, FPBGA-165
GS8672T19AE-375IT	GSI	获取价格	DDR SRAM, 4MX18, 0.45ns, CMOS, PBGA165, 15 X 17 MM, 1 MM PITCH, FPBGA-165
GS8672T19AE-375T	GSI	获取价格	DDR SRAM, 4MX18, 0.45ns, CMOS, PBGA165, 15 X 17 MM, 1 MM PITCH, FPBGA-165
GS8672T19AE-400	GSI	获取价格	DDR SRAM, 4MX18, 0.45ns, CMOS, PBGA165, 15 X 17 MM, 1 MM PITCH, FPBGA-165
GS8672T19AE-400I	GSI	获取价格	DDR SRAM, 4MX18, 0.45ns, CMOS, PBGA165, 15 X 17 MM, 1 MM PITCH, FPBGA-165
GS8672T19AE-400IT	GSI	获取价格	DDR SRAM, 4MX18, 0.45ns, CMOS, PBGA165, 15 X 17 MM, 1 MM PITCH, FPBGA-165
GS8672T19AE-400T	GSI	获取价格	DDR SRAM, 4MX18, 0.45ns, CMOS, PBGA165, 15 X 17 MM, 1 MM PITCH, FPBGA-165
GS8672T19AGE-300	GSI	获取价格	DDR SRAM, 4MX18, 0.45ns, CMOS, PBGA165, 15 X 17 MM, 1 MM PITCH, ROHS COMPLIANT, FPBGA-165
GS8672T19AGE-300I	GSI	获取价格	DDR SRAM, 4MX18, 0.45ns, CMOS, PBGA165, 15 X 17 MM, 1 MM PITCH, ROHS COMPLIANT, FPBGA-165
GS8672T19AGE-300IT	GSI	获取价格	DDR SRAM, 4MX18, 0.45ns, CMOS, PBGA165, 15 X 17 MM, 1 MM PITCH, ROHS COMPLIANT, FPBGA-165

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