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GS8673ED18BK-675I データシート(PDF) 1 Page - GSI Technology

部品番号 GS8673ED18BK-675I
部品情報  72Mb SigmaQuad-IIIe??Burst of 4 ECCRAM?
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メーカー  GSI [GSI Technology]
ホームページ  http://www.gsitechnology.com
Logo GSI - GSI Technology

GS8673ED18BK-675I データシート(HTML) 1 Page - GSI Technology

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GS8673ED18/36BK-675/625/550/500
72Mb SigmaQuad-IIIe™
Burst of 4 ECCRAM™
675 MHz–500 MHz
1.35V VDD
1.2V to 1.5V VDDQ
Rev: 1.06 5/2012
1/31
© 2011, GSI Technology
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
260-Ball BGA
Commercial Temp
Industrial Temp
Features
• On-Chip ECC with virtually zero SER
• Configurable Read Latency (3.0 or 2.0 cycles)
• Simultaneous Read and Write SigmaQuad-IIIe™ Interface
• Separate I/O Bus
• Double Data Rate interface
• Burst of 4 Read and Write
• Pipelined read operation
• Fully coherent Read and Write pipelines
• 1.35V nominal VDD
• 1.2V JESD8-16A BIC-3 Compliant Interface
• 1.5V HSTL Interface
• ZQ pin for programmable output drive impedance
• ZT pin for programmable input termination impedance
• Configurable Input Termination
• IEEE 1149.1 JTAG-compliant Boundary Scan
• 260-ball, 14 mm x 22 mm, 1 mm ball pitch BGA package
–K: 5/6 RoHS-compliant package
–GK: 6/6 RoHS-compliant package
SigmaQuad-IIIe™ Family Overview
SigmaQuad-IIIe ECCRAMs are the Separate I/O half of the
SigmaQuad-IIIe/SigmaDDR-IIIe family of high performance
ECCRAMs. Although very similar to GSI's second generation
of networking SRAMs (the SigmaQuad-II/SigmaDDR-II
family), these third generation devices offer several new
features that help enable significantly higher performance.
Clocking and Addressing Schemes
The GS8673ED18/36BK SigmaQuad-IIIe ECCRAMs are
synchronous devices. They employ dual, single-ended master
clocks, CK and CK. These clocks are single-ended clock
inputs, not differential inputs to a single differential clock input
buffer. CK and CK are used to control the address and control
input registers, as well as all output timing.
The KD and KD clocks are dual mesochronous (with respect to
CK and CK) input clocks that are used to control the data input
registers. Consequently, data input setup and hold windows
can be optimized independently of address and control input
setup and hold windows.
Each internal read and write operation in a SigmaQuad-IIIe B4
ECCRAM is four times wider than the device I/O bus. An
input data bus de-multiplexer is used to accumulate incoming
data before it is simultaneously written to the memory array.
An output data multiplexer is used to capture the data produced
from a single memory array read and then route it to the
appropriate output drivers as needed. Therefore, the address
field of a SigmaQuad-IIIe B4 ECCRAM is always two address
pins less than the advertised index depth (e.g. the 4M x 18 has
1M addressable index).
On-Chip Error Correction Code
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.
Note: Please contact GSI for availability of 714 MHz devices.
Parameter Synopsis
Speed Bin
Operating Frequency
Data Rate (per pin)
Read Latency
VDD
-675
675 / 450 MHz
1350 / 900 Mbps
3.0 / 2.0
1.3V to 1.4V
-625
625 / 400 MHz
1250 / 800 Mbps
3.0 / 2.0
1.3V to 1.4V
-550
550 / 375 MHz
1100 / 750 Mbps
3.0 / 2.0
1.25V to 1.4V
-500
500 / 333 MHz
1000 / 666 Mbps
3.0 / 2.0
1.25V to 1.4V


同様の部品番号 - GS8673ED18BK-675I

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GSI Technology
GS8673ED18BGK-550 GSI-GS8673ED18BGK-550 Datasheet
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GS8673ED18BGK-625 GSI-GS8673ED18BGK-625 Datasheet
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GS8673ED18BGK-625S GSI-GS8673ED18BGK-625S Datasheet
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GS8673ED18BGK-675 GSI-GS8673ED18BGK-675 Datasheet
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同様の説明 - GS8673ED18BK-675I

メーカー部品番号データシート部品情報
logo
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GS8673ED36BGK-675I GSI-GS8673ED36BGK-675I Datasheet
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GS8673ED18BGK-625S GSI-GS8673ED18BGK-625S Datasheet
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GS8673ED36BGK-500I GSI-GS8673ED36BGK-500I Datasheet
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GS8673ED18BGK-675 GSI-GS8673ED18BGK-675 Datasheet
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GS8673ED36BGK-625I GSI-GS8673ED36BGK-625I Datasheet
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GS8673ED36BK-675 GSI-GS8673ED36BK-675 Datasheet
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