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GS81314PD19GK-800 データシート(PDF) 1 Page - GSI Technology

部品番号 GS81314PD19GK-800
部品情報  Burst of 4 Single-Bank 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

GS81314PD19GK-800 データシート(HTML) 1 Page - GSI Technology

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GS81314PD19/37GK-933/800
144Mb SigmaQuad-IVe™
Burst of 4 Single-Bank ECCRAM™
Up to 933 MHz
1.2V ~ 1.3V VDD
1.2V ~ 1.3V VDDQ
Rev: 1.02 3/2016
1/39
© 2015, GSI Technology
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
260-Pin BGA
Com & Ind Temp
POD I/O
Features
• 4Mb x 36 and 8Mb x 18 organizations available
• Organized as a single logical memory bank
• 933 MHz maximum operating frequency
• 933 MT/s peak transaction rate (in millions per second)
• 134 Gb/s peak data bandwidth (in x36 devices)
• Separate I/O DDR Data Buses
• Non-multiplexed SDR Address Bus
• One operation - Read or Write - per clock cycle
• No address/bank restrictions on Read and Write ops
• Burst of 4 Read and Write operations
• 5 cycle Read Latency
• On-chip ECC with virtually zero SER
• Loopback signal timing training capability
• 1.2V ~ 1.3V nominal core voltage
• 1.2V ~ 1.3V POD I/O interface
• Configuration registers
• Configurable ODT (on-die termination)
• ZQ pin for programmable driver impedance
• ZT pin for programmable ODT impedance
• IEEE 1149.1 JTAG-compliant Boundary Scan
• 260-pin, 14 mm x 22 mm, 1 mm ball pitch, 6/6 RoHS-
compliant BGA package
SigmaQuad-IVe™ Family Overview
SigmaQuad-IVe ECCRAMs are the Separate I/O half of the
SigmaQuad-IVe/SigmaDDR-IVe family of high performance
ECCRAMs. Although similar to GSI's third generation of
networking SRAMs (the SigmaQuad-IIIe/SigmaDDR-IIIe
family), these fourth generation devices offer several new
features that help enable significantly higher performance.
Clocking and Addressing Schemes
The GS81314PD19/37GK SigmaQuad-IVe ECCRAMs are
synchronous devices. They employ three pairs of positive and
negative input clocks; one pair of master clocks, CK and CK,
and two pairs of write data clocks, KD[1:0] and KD[1:0]. All
six input clocks are single-ended; that is, each is received by a
dedicated input buffer.
CK and CK are used to latch address and control inputs, and to
control all output timing. KD[1:0] and KD[1:0] are used solely
to latch data inputs.
Each internal read and write operation in a SigmaQuad-IVe 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-IVe B4 ECCRAM is always two address
pins less than the advertised index depth (e.g. the 8M x 18 has
2M 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 SER events such as cosmic rays, alpha particles,
etc. The resulting Soft Error Rate 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.
All quoted SER values are at sea level in New York City.
Parameter Synopsis
Speed Grade
Max Operating Frequency
Read Latency
VDD
-933
933 MHz
5 cycles
1.25V to 1.35V
-800
800 MHz
5 cycles
1.15V to 1.35V


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