GS8342Q08GE-167I datasheet, PDF

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GS8342Q08GE-167I: Description36Mb SigmaQuad-II Burst of 4 SRAM; Categorystorage storage; File Size870KB，34 Pages; ManufacturerGSI Technology; Websitehttp://www.gsitechnology.com/; Environmental Compliance

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GS8342Q08GE-167I Overview

36Mb SigmaQuad-II Burst of 4 SRAM

GS8342Q08GE-167I Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	GSI Technology
Parts packaging code	BGA
package instruction	LBGA,
Contacts	165
Reach Compliance Code	compli
ECCN code	3A991.B.2.B
Maximum access time	0.5 ns
Other features	PIPELINED ARCHITECTURE
JESD-30 code	R-PBGA-B165
JESD-609 code	e1
length	17 mm
memory density	33554432 bi
Memory IC Type	STANDARD SRAM
memory width	8
Humidity sensitivity level	3
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	4MX8
Package body material	PLASTIC/EPOXY
encapsulated code	LBGA
Package shape	RECTANGULAR
Package form	GRID ARRAY, LOW PROFILE
Parallel/Serial	PARALLEL
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	1.4 mm
Maximum supply voltage (Vsup)	1.95 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 SILVER COPPER
Terminal form	BALL
Terminal pitch	1 mm
Terminal location	BOTTOM
Maximum time at peak reflow temperature	NOT SPECIFIED
width	15 mm

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Preliminary

GS8342Q08/09/18/36E-300/250/200/167

165-Bump BGA

Commercial Temp

Industrial Temp

Features

• Simultaneous Read and Write SigmaQuad™ Interface

• JEDEC-standard pinout and package

• Dual Double Data Rate interface

• Byte Write controls sampled at data-in time

• Burst of 2 Read and Write

• 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

• 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

• Pin-compatible with present 9Mb and 18Mb and future 72Mb

and 144Mb devices

36Mb SigmaQuad-II

Burst of 2 SRAM

167 MHz–300 MHz

1.8 V V

1.8 V and 1.5 V I/O

Bottom View

165-Bump, 15 mm x 17 mm BGA

1 mm Bump Pitch, 11 x 15 Bump Array

C clock inputs. C and C are also independent single-ended

clock inputs, not differential inputs. If the C clocks are tied

high, the K clocks are routed internally to fire the output

registers instead.

Because Separate I/O SigmaQuad-II B2 RAMs always transfer

data in two packets, A0 is internally set to 0 for the first read or

write transfer, and automatically incremented by 1 for the next

transfer. Because the LSB is tied off internally, the address

field of a SigmaQuad-II B2 RAM is always one address pin

less than the advertised index depth (e.g., the 2M x 18 has a

1024K addressable index).

SigmaQuad™ Family Overview

The GSQ8342Q08/09/18/36E are built in compliance with

the SigmaQuad-II SRAM pinout standard for Separate I/O

synchronous SRAMs. They are 37,748,736-bit (36Mb)

SRAMs. The GSQ8342Q08/09/18/36E SigmaQuad 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 GSQ8342Q08/09/18/36E SigmaQuad-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. The device also allows the user to manipulate the

output register clock inputs quasi independently with the C and

Parameter Synopsis

-300

tKHKH

tKHQV

3.3 ns

0.45 ns

-250

4.0 ns

0.45 ns

-200

5.0 ns

0.45 ns

-167

6.0 ns

0.5 ns

Rev: 1.02 8/2005

1/34

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

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