IDT709289L datasheet(1/16 Pages) IDT

Part #	IDT709289L

Description	HIGH-SPEED 64K x 16 SYNCHRONOUS PIPELINED DUAL-PORT STATIC RAM

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Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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FEBRUARY 2015

DSC-4842/7

1

Functional Block Diagram

Features

◆

True Dual-Ported memory cells which allow simultaneous

access of the same memory location

◆

High-speed clock to data access

– Commercial: 7.5/9/12ns (max.)

– Industrial: 9ns (max.)

◆

Low-power operation

– IDT709289L

Active: 1.2W (typ.)

Standby: 2.5mW (typ.)

◆

Flow-Through or Pipelined output mode on either Port via

the FT/PIPE pins

◆

Counter enable and reset features

◆

Dual chip enables allow for depth expansion without

additional logic

◆

Full synchronous operation on both ports

– 4ns setup to clock and 0ns hold on all control, data, and

address inputs

– Data input, address, and control registers

– Fast 7.5ns clock to data out in the Pipelined output mode

– Self-timed write allows fast cycle time

– 12ns cycle time, 83MHz operation in Pipelined output mode

◆

Separate upper-byte and lower-byte controls for

multiplexed bus and bus matching compatibility

◆

TTL- compatible, single 5V (±10%) power supply

◆

Industrial temperature range (–40°C to +85°C) is

available for selected speeds

◆

Available in a 100-pin Thin Quad Flatpack (TQFP) package

◆

Green parts available, see ordering information

HIGH-SPEED 64K x 16

SYNCHRONOUS PIPELINED

DUAL-PORT STATIC RAM

IDT709289L

0a 1a

0b 1b

0/1

ab

I/O

Control

1

0/1

0

FT/PIPER

R/WR

UBR

LBR

CE0R

OER

CE1R

MEMORY

ARRAY

Counter/

Address

Reg.

4842 drw 01

A15R

A0R

CLKR

ADSR

CNTENR

CNTRSTR

I/O8L-I/O15L

I/O0L-I/O7L

I/O8R-I/O15R

I/O0R-I/O7R

A0L

CLKL

ADSL

A15L

CNTENL

CNTRSTL

Counter/

Address

Reg.

R/WL

UBL

LBL

CE0L

OEL

CE1L

1

0/1

0

1b 0b

1a 0a

0/1

ba

I/O

Control

FT/PIPEL

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