LF3304QC10 datasheet(1/12 Pages) LODEV

部品番号	LF3304QC10

部品情報	Dual Line Buffer/FIFO

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メーカー	LODEV [LOGIC Devices Incorporated]

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DEVICES INCORPORATED

Video Imaging Products

1

LF3304

Dual Line Buffer/FIFO

08/16/2000–LDS.3304-F

LF3304

Dual Line Buffer/FIFO

DEVICES INCORPORATED

u

u 100 MHz Data Rate for Video and

other High-Speed Applications

u

u One 24-bit, Two 12-bit, Three

8-bit Data Paths, or One Double

Depth 12-bit

u

u Dual Modes: Line Buffer or FIFO

u

u User-ProgrammableFIFOFlags

u

u User-Resettable Read and Write

Pointers

u

u Single 3.3 V Power Supply,

5 V Tolerant I/O

u

u 100-lead PQFP

FEATURES

DESCRIPTION

The LF3304 is a dual line buffer/

FIFO, designed to operate at HDTV

rates. The LF3304 will operate in

two distinct modes: Line Buffer and

FIFO. In these modes the two memo-

ries can operate independently or

with common control.

The LF3304 comprises two 12-bit 4K

memories configurable in a variety of

ways including: Two 12-bit 4K deep

line buffers (independent lengths),

Three 8-bit 4K deep line buffers

VARIABLE LENGTH RAM ARRAY B

4K x 12-bit

VARIABLE LENGTH RAM ARRAY A

4K x 12-bit

AIN11-0

12

BIN11-0

12

AOUT11-0

12

BOUT11-0

12

OEB

RAM ARRAY 2

CONTROL

LENGTH11-0

WENB

RENB

RRB

RWB

RAM ARRAY 1

CONTROL

WENA

RENA

RRA

RWA

EFB

PAFB

FFB

PAEB

PAEA

FFA

EFA

PAFA

12

ADDRA

LDB

FLAG

GENERATOR

FLAG

GENERATOR

MASTER

CONTROL

MODE1-0

2

WCLKA

RCLKA

WCLKB

RCLKB

LDA

ADDRB

OEA

LF3304 BLOCK DIAGRAM

(common lengths), One 12-bit 8K

deep line buffer, or Two 12-bit 4K

FIFOs (independent operation).

In FIFO mode, independent Read

and Write Resets give the designer

control over the internal pointers

providing flexibility not commonly

found in ordinary FIFOs.

The LF3304 operatates at a maximum

data rate of 100 MHz and is available

in a 100-lead PQFP package.

同様の部品番号 - LF3304QC10

メーカー	部品番号	データシート	部品情報
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	LF3312	940Kb / 33P	12-Mbit Frame Buffer / FIFO

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