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What is GS81302T20E?

This electronic component, produced by the manufacturer "GSI Technology", performs the same function as "144Mb SigmaDDR-II+ Burst of 2 SRAM".


GS81302T20E Datasheet PDF - GSI Technology

Part Number GS81302T20E
Description 144Mb SigmaDDR-II+ Burst of 2 SRAM
Manufacturers GSI Technology 
Logo GSI Technology Logo 


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GS81302T06/11/20/38E-500/450/400/350
165-Bump BGA
Commercial Temp
Industrial Temp
144Mb SigmaDDRTM-II+
Burst of 2 SRAM
500 MHz–350 MHz
1.8 V VDD
1.8 V or 1.5 V I/O
Features
• 2.5 Clock Latency
• Simultaneous Read and Write SigmaDDRTM Interface
• JEDEC-standard pinout and package
• Double Data Rate interface
• Byte Write controls sampled at data-in time
• Burst of 2 Read and Write
• On-Die Termination (ODT) on Data (D), Byte Write (BW),
and Clock (K, K) inputs
• 1.8 V +100/–100 mV core power supply
• 1.5 V or 1.8 V HSTL Interface
• Pipelined read operation
• Fully coherent read and write pipelines
• ZQ pin for programmable output drive strength
• Data Valid Pin (QVLD) Support
• IEEE 1149.1 JTAG-compliant Boundary Scan
• 165-bump, 15 mm x 17 mm, 1 mm bump pitch BGA package
• RoHS-compliant 165-bump BGA package available
SigmaDDR-IIFamily Overview
The GS81302T06/11/20/38E are built in compliance with the
SigmaDDR-II+ SRAM pinout standard for Common I/O
synchronous SRAMs. They are 150,994,944-bit (144Mb)
SRAMs. The GS81302T06/11/20/38E SigmaDDR-II+
SRAMs are just one element in a family of low power, low
voltage HSTL I/O SRAMs designed to operate at the speeds
needed to implement economical high performance
networking systems.
Clocking and Addressing Schemes
The GS81302T06/11/20/38E SigmaDDR-II+ SRAMs 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.
Each internal read and write operation in a SigmaDDR-II+ B2
RAM is two 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
SigmaDDR-II+ B2 RAM is always one address pin less than
the advertised index depth (e.g., the 16M x 8 has an 8M
addressable index).
Parameter Synopsis
tKHKH
tKHQV
-500
2.0 ns
0.45 ns
-450
2.2 ns
0.45 ns
-400
2.5 ns
0.45 ns
-350
2.86 ns
0.45 ns
Rev: 1.03c 11/2011
1/29
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2011, GSI Technology

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GS81302T20E equivalent
GS81302T06/11/20/38E-500/450/400/350
16M x 8 SigmaDDR-II+ SRAM—Top View
123456789
A CQ SA SA R/W NW1 K SA LD SA
B
NC
NC
NC
SA
NC/SA
(288Mb)
K
NW0 SA
NC
C NC NC NC VSS SA SA SA VSS NC
D NC NC NC VSS VSS VSS VSS VSS NC
E NC NC DQ4 VDDQ VSS VSS VSS VDDQ NC
F
NC
NC
NC
VDDQ
VDD
VSS
VDD VDDQ NC
G NC NC DQ5 VDDQ VDD VSS VDD VDDQ NC
H
Doff
VREF
VDDQ
VDDQ
VDD
VSS
VDD
VDDQ
VDDQ
J
NC
NC
NC
VDDQ
VDD
VSS
VDD VDDQ NC
K
NC
NC
NC
VDDQ
VDD
VSS
VDD VDDQ NC
L
NC
DQ6
NC
VDDQ
VSS
VSS
VSS VDDQ NC
M NC NC NC VSS VSS VSS VSS VSS NC
N NC NC NC VSS SA SA SA VSS NC
P NC NC DQ7 SA SA QVLD SA SA NC
R
TDO TCK
SA
SA
SA ODT SA
SA
SA
11 x 15 Bump BGA—15 x 17 mm2 Body—1 mm Bump Pitch
Notes:
1. NW0 controls writes to DQ0:DQ3; NW1 controls writes to DQ4:DQ7.
2. Pin B5 is the expansion address.
10
SA
NC
NC
NC
NC
NC
NC
VREF
DQ1
NC
NC
NC
NC
NC
TMS
11
CQ
DQ3
NC
NC
DQ2
NC
NC
ZQ
NC
NC
DQ0
NC
NC
NC
TDI
Rev: 1.03c 11/2011
5/29
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2011, GSI Technology


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On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for GS81302T20E electronic component.


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