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Dual Port Products. The Largest Multi-Port SRAM Product Line Worldwide. Specialty Memory Products. 1. Product Portfolio. #. First to Introduce:. First to Introduce:. Dual-Port Manufacturer Worldwide!. Width : x9, x16, x36. Synchronous Dual-Ports. Speed : Sub-20ns.

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dual port products

Dual Port Products

The Largest Multi-Port SRAM Product Line Worldwide

product portfolio

Specialty Memory Products

1

Product Portfolio

#

First to Introduce:

First to Introduce:

Dual-Port

Manufacturer

Worldwide!

Width: x9, x16, x36

Synchronous Dual-Ports

Speed: Sub-20ns

Bank-SwitchableTM

Sub-12ns

fpBGA Packaging

133 MHz

STQFP Packaging

Density: 16K-bit

TQFP Packaging

32K-bit

Master/Slave

64K-bit

FourPortTM

128K-bit

SARAMTM

256K-bit

3.3V

512K-bit

2.5V I/O

1024K-bit

dual port benefits
Improved BANDWIDTH

x36, x18

12 ns async or 133 MHz sync

Reduced BOARDSPACE

Fewer devices for same functionality

High-density devices

Innovative packages

Improved MANUFACTURABILITY

Improved TIME TO MARKET

Competitive COST

Reduced DESIGN COMPLEXITY

Counters

Arbitration, Semaphores, Mailboxes, Master/Slave

Reduced COMPONENTS LIST

Reduced POWER

Improved FLEXIBILITY

Dual Port Benefits
new dual port products
New Dual Port Products
  • Speed Upgrades
    • 70V27 (32K x 16) improved to 15 ns
    • 70V9279 Family (32K x 16) improved to 9 ns
  • 70V28 Family (64K x 16)
    • 24 new products
    • 5V, 3.3V, Sync, Async, x8, x9, x16, and x18 variations
  • Introduced fpBGA packaging
    • 70V27 (32K x 16)
    • 70V3579 (32K x 36)
  • 70V3579 Family (32K x 36)
    • Speed now improved to 133 MHz
    • I/Os now selectable - 3.3V or 2.5V
high speed 32kx36 3 3v synchronous pipelined dual port static ram selectable 3 3v 2 5v i o

IDT70V3579 FamilyFeatures

High Speed 32Kx36

3.3V Synchronous Pipelined

Dual-Port Static RAM

Selectable 3.3V/2.5V I/O

the solution
The Solution

IDT’s improved 70V3579 Family provides:

  • x36 and x18 Configurations
  • Synchronous ~133 MHz operations
  • 3.3V Core Voltage
  • 3.3V/2.5V Selectable I/O Voltage
  • 512Kb and 1Mb density options

Bandwidth

Flexible Voltages

Density

block diagram

I/O Control

Logic

I/O Control

Logic

32Kx36

1Mbit

Memory

Array

Block Diagram

IDT70V3579

CLOCKL*

Byte Enables (x9)

Read/Write

Chip Enables

Output Enable

OPTL

CLOCKR*

Byte Enables (x9)

Read/Write

Chip Enables

Output Enable

OPTR

I/O0L - I/O35L

I/O0R - I/O35R

Counter/

Address

Registers

Counter/

Address

Registers

CLOCKL*

A0L - A14L

Address Load

Counter Enable

Counter Reset

CLOCKR*

A0R - A14R

Address Load

Counter Enable

Counter Reset

* - Each port has one CLOCK pin, which synchronizes both the I/O control logic and the counter/address registers for that port.

- The OPT pin on each port selects operation at 3.3V or 2.5V.

application example ethernet switch router
Application ExampleEthernet Switch Router

Shared Buffer

Memory

Payload Data

Switch Backplane

...

CPU

(Network

Management)

IDT

70V3579

Ethernet

Controller &

Transceiver

Ethernet

Controller &

Transceiver

18

36

2.5V

3.3V

FIFO

FIFO

FIFO

FIFO

Address and Control Data

PHY

PHY

PHY

PHY

Benefits of the 70V3579:

Independent, simultaneous random access on each port

Bus Isolation (widths, clock domains)

Synchronous Interface at 133 MHz supports bandwidth of 9.6 Gbps

Flexibility to accommodate different bus widths and I/O voltages