IDT72103 View Datasheet(PDF) - Integrated Device Technology

Part Name

Description

MFG CO.

IDT72103

CMOS PARALLEL-SERIAL FIFO 2,048 x 9 and 4,096 x 9

Integrated Device Technology 

CMOS PARALLEL-SERIAL FIFO

2,048 x 9 and 4,096 x 9

IDT72103

IDT72104

Integrated Device Technology, Inc.

FEATURES:

• 35ns parallel port access time, 45ns cycle time

• 50MHz serial input/output frequency

• Serial-to-parallel, parallel-to-serial, serial-to-serial, and

parallel-to-parallel operations

• Expandable in both depth and width with no external

components

• Flexishift™ — Sets programmable serial word width

from 4 bits to any width with no external components

• Multiple flags: Full, Almost-Full (Full-1/8),Full-Minus-

One, Empty, Almost-Empty (Empty + 1/8), Empty-Plus-

One, and Half-Full

• Asynchronous and simultaneous read or write operations

• Dual-Port, zero fall-through time architecture

• Retransmit capability in single-device mode

• Packaged in 44-pin PLCC

• Industrial temperature range (–40oC to +85oC)

APPLICATIONS:

• High-speed data acquisition systems

• Local area network (LAN) buffer

• High-speed modem data buffer

• Remote telemetry data buffer

• FAX raster video data buffer

• Laser printer engine data buffer

• High-speed parallel bus-to-bus communications

• Magnetic media controllers

• Serial link buffer

DESCRIPTION:

The IDT72103/72104 are high-speed Parallel-Serial FlFOs

to be used with high-performance systems for functions such

as serial communications, laser printer engine control and

local area networks.

FUNCTIONAL BLOCK DIAGRAM

SERIAL

INPUT

SI

SIX

SICP

SERIAL

INPUT

CIRCUITRY

/PI

SERIAL/

PARALLEL

/PO

CONTROL

DATA INPUTS (D0-D 8 )

FLAG

LOGIC

WRITE

POINTER

DEPTH

EXPANSION

/

LOGIC

RAM ARRAY

2048 x 9

4096 x 9

READ

POINTER

RESET

LOGIC

SERIAL

OUTPUT

CIRCUITRY

DATA OUTPUTS (Q0 -Q 8)

The IDT logo is a registered trademark of Integrated Device Technology,Inc.

INDUSTRIAL TEMPERATURE RANGE

©1999 Integrated Device Technology, Inc.

For latest information contact IDT's web site at www.idt.com or fax-on-demand at 408-492-8391.

SERIAL

OUTPUT

SO

SOX

SOCP

2753 drw 01

DECEMBER 1999

DSC-2753/-

1

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