PRODUCT OVERVIEWSpecialty Memory Products
IDT’s multi-port memory
portfolio includes morethan 120 types of 		asynchronous and 		synchronous dual-ports,four-ports and bankswitchable dual-ports.

MULTI-PORT MEMORY BENEFITS• Increases bandwidth (~2x SRAM)• Reduces design complexity bysolving inter-chip connection issues• Solves bus matching issues from 		x8, x9, x16, x18, x36 up to x72 bit 		bus widths• Allows mismatched voltage parts tobe used together. 1.8, 2.5, 3.3 and 5V
I/O’s can be adapted• Buffers bus speed mismatch fromDC to 200 MHz• Densities range from 8 Kb up to 		36 Mb allowing a wide range ofapplications• Improves time-to-market by using
proven off-the-shelf devices
INTEGRATED DEVICE TECHNOLOGY

Multi-port Memories
IDT is the world leader in specialty
memory with a dominant market
position, a long history of innovation,and best-in-class support for FIFO andmulti-port products. With hundreds ofproducts and thousands ofcustomers, IDT continues toprovide the highest quality, fastest,
and most diverse line of specialty
memory in the industry.
The IDT multi-port memories
portfolio includes more than 		
120 types of asynchronous andsynchronous dual-ports, four-ports
and and bank-switchable dual-ports.
These multi-port memory devices

are ideal for switches, routers, hubs,
industrial equipment, fibre channelline cards and RAID controllers.
Our family of dual-port memories
are the industry standard, withinnovative features and speedsthat provide superior value andperformance to system level designs.
IDT strives to reduce the cost of highperformance shared SRAM based
dual-port memory solutions. We areand will continue to be the leading
provider of Dual-Port synchronousand asynchronous memories in thesemiconductor industry.

SPECIALTY MEMORY PRODUCTS OVERVIEW | 1

PRODUCT OVERVIEWSpecialty Memory Products
MULTI-PORT PRODUCT FAMILYTYPICAL MULTI-PORT APPLICATION BLOCK DIAGRAMS

Asynchronous Dual-Port RAMs
An asynchronous dual-port is a memory
with non-clocked inputs and outputs fordata, address, and control functions.

StorageArea
Area Network
Application
Storage
Network

Bank-Switchable Dual-Port RAMs
IDT synchronous bank-switchable dualported RAMS offer increased density,while retaining many of the features oftrue dual-ports including access to theshared array, separate clocks per port,
200 MHz operating speed, full-boundary
counters, and pinouts compatible to thedual-port family.
FourPort RAMs
IDT four-port RAMs are cost-effective
low-power multiports that provide
maximum functionality while taking up
minimum board space to address theneeds of high-end multimedia handset
applications.
Synchronous Dual-Port RAMs
IDT synchronous dual-port RAM
memory cells allow access tosimultaneous access of addressfrom both ports.
Asynchronous Low-PowerDual-Port RAMs
IDT low-power dual-ports simplify thedesign process for hand held devices.
IDT LPDPs provide exceptionally lowpower consumption and the ability tobuffer voltage, speed, and bus width
mismatch between processors.

INTEGRATED DEVICE TECHNOLOGYController
Dual-Port

Dual-Port

Fiber
Channel

HOST BUS
ADAPTER

32 Bit
100MHzNPUFPGASERDESNPUFPGASERDES

Dual-Port
64 Bit133 MHz

Dual-Port

32 Bit
100MHzDual-Port

Data Aquisition
ETKP20,0

JTAG

Flash
Dual-Port

CONTROLPROCESSOR

1024 KB(Data)

TRIGGERCONTROLPage
InitializationRAM

Dual-Port

DebugInterface

4 KB
SystemFunctions

ETHERNETCONTROL

Standby Power Supply
ECU Reset& PowerControl

100
Mbit/sBattery

POWER SUPPLYAND CONTROLAutomaticPower-On

MULTI-PORT END APPLICATIONS INCLUDE
Flight control | Video conference system | Sonar | Gas sensor
Semiconductor equipment | Aircraft mission recorder
PC for railway system | Industrial robot | Motor drive controller

SPECIALTY MEMORY APPLICATIONS OVERVIEW | 2

PRODUCT OVERVIEWSpecialty Memory Products
FIFO PRODUCT FAMILYFIFO PRODUCTS

Asynchronous FIFOs
IDT asynchronous FIFOs are a formof memory with separate strobes forreading and writing. When used tobuffer data transmissions, they permit
processing of data to proceed before
the transmission has completed. They
do this by preventing data overflow andunderflow using logic to allow for
unlimited expansion capability in 		
both word size and depth.

IDT is the FIFO market leader with more than 170 synchronous, asynchronousand bi-directional products to help designers solve interchip communications
problems, such as rate matching, buffering and bus matching.

Queuing FIFOs
The IDT FIFO Multi-Queue device is afully programmable device, providing theuser with flexibility in how queues areconfigured.
Synchronous FIFOs
IDT synchronous FIFOs are particularly
appropriate for network, video, telecommunications, data communications
and other applications that need tobuffer large amounts of data.

FIFO: Test Equipment Application
Test Equipment
Aplication

ASIC
HSTL
156MHzTEST
SOCKET

LVTTL
HSTL
40MHz

FIFO

SERIALI/O
BACKPLANEFPGACONTROL
40MHz

Data Buffering on High Bandwidth Line Cards

Data Buffering: High Bandwidth LineCards
125 MHz

OC-192
10Gbit/s

18100 MHz

FIFO

36

PacketProcessor

Line Card

OC-12622Mbit/sFIFO

PacketProcessor

Backplane

Bi-Directional FIFOs
IDT bi-directional FIFOs can transfer
data in two directions, enabling
optimized inter-processor and inter-DSP
communication. To achieve the bidirectional transfer capability, especially
useful in communication network
equipment. The highly integrated
devices provide two side-by-side FIFO
memory arrays. They accelerate cycle
times, reduce board space and allow
more efficient bus utilization.

TYPICAL FIFO APPLICATION BLOCK DIAGRAMSSWITCHING
CORELine Card

OC-3
155Mbit/s

FIFO

PacketProcessor

Line Card

FIFO END APPLICATIONS INCLUDEMedical recorder | Repeater | Ultrasound | Densitometer | Surgical instrument
ATM | Electroencephalograph | Cell phone tester | Commercial avionics | PrinterINTEGRATED DEVICE TECHNOLOGY

SPECIALTY MEMORY APPLICATIONS OVERVIEW | 3

PRODUCT OVERVIEWSpecialty Memory Products
SRAM BENEFITS• A wide range of products from
16-Kbit to 18-Mbit densities• Synchronous and asynchronousarchitectures• IDT invented ZBT technology, thecommunications SRAM standard

SRAM
ASYNCHRONOUS SRAMS | SYNCHRONOUS BURST SRAMS |ZERO BUS TURNAROUND (ZBT) SRAMSIn addition to our FIFOs and Multi-ports, IDT offers a line of high-speed,
industry-standard SRAMs that are used in communications, industrial andmilitary markets. IDT has been in the SRAM business for more than 35 years
with a track record of consistant, innovative, high-quality products.

SPECIALTY MEMORY END APPLICATIONS
Industrial controls | Medical applications | Elevator controls
Brewery controls | Robotic welding

To request samples, download documentation or learn more visit: idt.com
IDT and the IDT Logo are registered trademarks or trademarks of Integrated Device Technology, Inc., in the United States and other countries.
All other trademarks are the property of their respective owners. © 2018. Integrated Device Technology, Inc. All Rights Reserved.

INTEGRATED DEVICE TECHNOLOGY

SPECIALTY MEMORY APPLICATIONS OVERVIEW | 4
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