GS8662TT19BD-333I datasheet, PDF

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GS8662TT19BD-333I: DescriptionDDR SRAM, 4MX18, 0.45ns, CMOS, PBGA165, 13 X 15 MM, 1 MM PITCH, FPBGA-165; Categorystorage storage; File Size443KB，29 Pages; ManufacturerGSI Technology; Websitehttp://www.gsitechnology.com/

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GS8662TT19BD-333I Overview

DDR SRAM, 4MX18, 0.45ns, CMOS, PBGA165, 13 X 15 MM, 1 MM PITCH, FPBGA-165

GS8662TT19BD-333I Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	GSI Technology
Parts packaging code	BGA
package instruction	LBGA, BGA165,11X15,40
Contacts	165
Reach Compliance Code	compliant
ECCN code	3A991.B.2.B
Factory Lead Time	8 weeks
Maximum access time	0.45 ns
Other features	PIPELINED ARCHITECTURE, LATE WRITE
Maximum clock frequency (fCLK)	333 MHz
I/O type	COMMON
JESD-30 code	R-PBGA-B165
JESD-609 code	e0
length	15 mm
memory density	75497472 bit
Memory IC Type	DDR SRAM
memory width	18
Number of functions	1
Number of terminals	165
word count	4194304 words
character code	4000000
Operating mode	SYNCHRONOUS
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
organize	4MX18
Output characteristics	3-STATE
Package body material	PLASTIC/EPOXY
encapsulated code	LBGA
Encapsulate equivalent code	BGA165,11X15,40
Package shape	RECTANGULAR
Package form	GRID ARRAY, LOW PROFILE
Parallel/Serial	PARALLEL
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	1.5/1.8,1.8 V
Certification status	Not Qualified
Maximum seat height	1.4 mm
Maximum standby current	0.24 A
Minimum standby current	1.7 V
Maximum slew rate	0.545 mA
Maximum supply voltage (Vsup)	1.9 V
Minimum supply voltage (Vsup)	1.7 V
Nominal supply voltage (Vsup)	1.8 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	BALL
Terminal pitch	1 mm
Terminal location	BOTTOM
Maximum time at peak reflow temperature	NOT SPECIFIED
width	13 mm
Base Number Matches	1

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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+

Burst of 2 SRAM

450 MHz–300 MHz

1.8 V V

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: 1.00a 11/2011

1/29

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

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