Datasheet > IDT7381L30J

IDT7381L30J

更新时间： 2024-10-01 23:58:19

品牌	Logo	应用领域
其他 - ETC		外围集成电路输入元件时钟
页数	文件大小	规格书
17页	259K
描述
Fixed Point ALU

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IDT7381L30J 数据手册

IDT7381

16-BITCASCADABLEALU

COMMERCIALTEMPERATURERANGE

16-BIT CMOS

IDT7381

CASCADABLE ALU

FEATURES:

DESCRIPTION:

−

High-performance 16-bit Arithmetic Logic Unit (ALU)

25ns to 55ns clocked ALU operations

Ideal for radar, sonar or image processing applications

74S381 instruction set (8 functions)

Replaces Gould S614381 or Logic Devices L4C381

Cascadable with or without carry look-ahead

Pipeline or flow-through modes

Internal feedback path for accumulation

Three-state outputs

TTL-compatible

The IDT7381is a high-speedcascadable ArithmeticLogicUnit(ALU).

Thesethree-bus devices havetwoinputregisters,anultra-fast16-bitALU

and16-bitoutputregister.WithIDT’shigh-performanceCMOStechnology,

the IDT7381 can do arithmetic or logic operations in 25ns. The IDT7381

functionallyreplaces four54/74S381four-bitALUs ina 68-pinpackage.

The two input operands, A and B, can be clocked or fed through for

flexiblepipelining.TheFoutputcanalsobesetintoclockedorflow-through

mode.Anoutputenableisprovidedforthree-statecontroloftheoutputport

on a bus.

Produced with advanced submicron CMOS technology

Available in PLCC

Speeds available: L/25/30/40/55

The IDT7381has three functionpins toselect1of8arithmeticorlogic

operations. The two R and S selection pins determine whether A, B, F or

0 are fed into the ALU. This ALU has carry-out, propagate and generate

outputs forcascadingusingcarrylook-ahead.

FUNCTIONALBLOCKDIAGRAM

A0 -1 5

B0 -1 5

ENA

A REG

B REG

CLK

ENB

A MUX

B MUX

FTAB

RS0 -1

0000H

S MUX

R MUX

I 0 - 2

C⁰

C¹⁶

16-BIT ALU

OVF

ENF

F REG

FTF

F MUX

GND

V^CC

POWER

SUPPLY

F^{0 -15}

COMMERCIAL TEMPERATURE RANGE

APRIL 2001

2001 Integrated Device Technology, Inc.

DSC-2525/-

12 3 4 5 6 7...17

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