IDT71V67602S150PFG datasheet, PDF

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IDT71V67602S150PFG: DescriptionCache SRAM, 256KX36, 3.8ns, CMOS, PQFP100, 14 X 20 MM, 1.40 MM HEIGHT, GREEN, PLASTIC, TQFP-100; Categorystorage storage; File Size513KB，23 Pages; ManufacturerIDT (Integrated Device Technology); Environmental Compliance

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IDT71V67602S150PFG Overview

Cache SRAM, 256KX36, 3.8ns, CMOS, PQFP100, 14 X 20 MM, 1.40 MM HEIGHT, GREEN, PLASTIC, TQFP-100

IDT71V67602S150PFG Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	IDT (Integrated Device Technology)
Parts packaging code	QFP
package instruction	LQFP,
Contacts	100
Reach Compliance Code	compliant
ECCN code	3A991.B.2.A
Maximum access time	3.8 ns
Other features	PIPELINED ARCHITECTURE
JESD-30 code	R-PQFP-G100
JESD-609 code	e3
length	20 mm
memory density	9437184 bit
Memory IC Type	CACHE SRAM
memory width	36
Humidity sensitivity level	3
Number of functions	1
Number of terminals	100
word count	262144 words
character code	256000
Operating mode	SYNCHRONOUS
Maximum operating temperature	70 °C
Minimum operating temperature
organize	256KX36
Package body material	PLASTIC/EPOXY
encapsulated code	LQFP
Package shape	RECTANGULAR
Package form	FLATPACK, LOW PROFILE
Parallel/Serial	PARALLEL
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	1.6 mm
Maximum supply voltage (Vsup)	3.465 V
Minimum supply voltage (Vsup)	3.135 V
Nominal supply voltage (Vsup)	3.3 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	MATTE TIN
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	30
width	14 mm
Base Number Matches	1

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256K X 36, 512K X 18

3.3V Synchronous SRAMs

2.5V I/O, Burst Counter

Pipelined Outputs, Single Cycle Deselect

IDT71V67602

IDT71V67802

Features

256K x 36, 512K x 18 memory configurations

Supports high system speed:

– 166MHz 3.5ns clock access time

– 150MHz 3.8ns clock access time

– 133MHz 4.2ns clock access time

LBO

input selects interleaved or linear burst mode

Self-timed write cycle with global write control (GW byte

GW),

BWE

and byte writes (BW

write enable (BWE

BWE),

BWx)

3.3V core power supply

Power down controlled by ZZ input

2.5V I/O supply (V

DDQ

)

Packaged in a JEDEC Standard 100-pin plastic thin quad

flatpack (TQFP), 119 ball grid array (BGA) and 165 fine pitch

ball grid array.

Description

The IDT71V67602/7802 are high-speed SRAMs organized as

256K x 36/512K x 18. The IDT71V676/78 SRAMs contain write, data,

address and control registers. Internal logic allows the SRAM to generate

a self-timed write based upon a decision which can be left until the end of

the write cycle.

The burst mode feature offers the highest level of performance to the

system designer, as the IDT71V67602/7802 can provide four cycles of

data for a single address presented to the SRAM. An internal burst address

counter accepts the first cycle address from the processor, initiating the

access sequence. The first cycle of output data will be pipelined for one

cycle before it is available on the next rising clock edge. If burst mode

operation is selected (ADV=LOW), the subsequent three cycles of output

data will be available to the user on the next three rising clock edges. The

order of these three addresses are defined by the internal burst counter

and the

LBO

input pin.

The IDT71V67602/7802 SRAMs utilize IDT’s latest high-performance

CMOS process and are packaged in a JEDEC standard 14mm x 20mm

100-pin thin plastic quad flatpack (TQFP) as well as a 119 ball grid array

(BGA) and 165 fine pitch ball grid array (fBGA).

Pin Description Summary

-A

Address Inputs

Chip Enable

Chip Selects

Output Enable

Global Write Enable

Byte Write Enable

Individual Byte Write Selects

Clock

Burst Address Advance

Address Status (Cache Controller)

Address Status (Processor)

Linear / Interleaved Burst Order

Sleep Mode

Data Input / Output

Core Power, I/O Power

Ground

Input

I/O

Supply

Synchronous

Asynchronous

Synchronous

N/A

Synchronous

Asynchronous

Synchronous

N/A

5311 tbl 01

BWE

(1)

CLK

ADV

ADSC

ADSP

LBO

I/O

-I/O

, I/O

-I/O

, V

DDQ

NOTE:

and

are not applicable for the IDT71V67802.

FEBRUARY 2009

2003

DECEMBER

DSC-5311/07

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