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GS8662TT19BGD-350

Description
Static random access memory 1.8 or 1.5V 4M x 18 72M
Categorystorage    storage   
File Size327KB,29 Pages
ManufacturerGSI Technology
Websitehttp://www.gsitechnology.com/
Environmental Compliance
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GS8662TT19BGD-350 Overview

Static random access memory 1.8 or 1.5V 4M x 18 72M

GS8662TT19BGD-350 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerGSI Technology
Parts packaging codeBGA
package instructionLBGA, BGA165,11X15,40
Contacts165
Reach Compliance Codecompliant
ECCN code3A991.B.2.B
Factory Lead Time8 weeks
Maximum access time0.45 ns
Other featuresPIPELINED ARCHITECTURE, LATE WRITE
Maximum clock frequency (fCLK)350 MHz
I/O typeCOMMON
JESD-30 codeR-PBGA-B165
JESD-609 codee1
length15 mm
memory density75497472 bit
Memory IC TypeDDR SRAM
memory width18
Humidity sensitivity level3
Number of functions1
Number of terminals165
word count4194304 words
character code4000000
Operating modeSYNCHRONOUS
Maximum operating temperature70 °C
Minimum operating temperature
organize4MX18
Output characteristics3-STATE
Package body materialPLASTIC/EPOXY
encapsulated codeLBGA
Encapsulate equivalent codeBGA165,11X15,40
Package shapeRECTANGULAR
Package formGRID ARRAY, LOW PROFILE
Parallel/SerialPARALLEL
Peak Reflow Temperature (Celsius)260
power supply1.5/1.8,1.8 V
Certification statusNot Qualified
Maximum seat height1.4 mm
Maximum standby current0.24 A
Minimum standby current1.7 V
Maximum slew rate0.59 mA
Maximum supply voltage (Vsup)1.9 V
Minimum supply voltage (Vsup)1.7 V
Nominal supply voltage (Vsup)1.8 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Silver/Copper (Sn/Ag/Cu)
Terminal formBALL
Terminal pitch1 mm
Terminal locationBOTTOM
Maximum time at peak reflow temperatureNOT SPECIFIED
width13 mm
GS8662TT07/10/19/37BD-450/400/350/333/300
165-Bump BGA
Commercial Temp
Industrial Temp
Features
• 2.0 Clock Latency
• Simultaneous Read and Write SigmaDDR™ Interface
• Common I/O bus
• JEDEC-standard pinout and package
• Double Data Rate interface
• Byte Write controls sampled at data-in time
• Burst of 2 Read and Write
• Dual-Range 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 with self-timed Late Write
• 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, 13 mm x 15 mm, 1 mm bump pitch BGA package
• RoHS-compliant 165-bump BGA package available
72Mb SigmaDDR-II+
TM
Burst of 2 SRAM
450 MHz–300 MHz
1.8 V V
DD
1.8 V or 1.5 V I/O
SRAMs. The GS8662TT07/10/19/37BD 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 GS8662TT07/10/19/37BD 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 8M x 8 has an 4M
addressable index).
SigmaDDR™ Family Overview
The GS8662TT07/10/19/37BD are built in compliance with
the SigmaDDR-II+ SRAM pinout standard for Common I/O
synchronous SRAMs. They are 75,497,472-bit (72Mb)
Parameter Synopsis
-450
tKHKH
tKHQV
2.22 ns
0.45 ns
-400
2.5 ns
0.45 ns
-350
2.86 ns
0.45 ns
-333
3.0 ns
0.45 ns
-300
3.3 ns
0.45 ns
Rev: 1.00b 8/2017
1/29
© 2011, GSI Technology
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.

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