Datasheet > 82078SL

82078SL

更新时间： 2024-02-02 11:15:25

品牌	Logo	应用领域
英特尔 - INTEL		控制器
页数	文件大小	规格书
3页	73K
描述
FLOPPY DISK CONTROLLER

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82078SL 技术参数

生命周期：	Obsolete	零件包装代码：	QFP
包装说明：	QFP, QFP64,.6SQ	针数：	64
Reach Compliance Code：	compliant	风险等级：	5.82
最大数据传输速率：	0.25 MBps	外部数据总线宽度：	8
主机接口标准：	PC-AT; PS/2	JESD-30 代码：	S-PQFP-G64
端子数量：	64	最高工作温度：	70 °C
最低工作温度：		封装主体材料：	PLASTIC/EPOXY
封装代码：	QFP	封装等效代码：	QFP64,.6SQ
封装形状：	SQUARE	封装形式：	FLATPACK
电源：	3.3/5 V	认证状态：	Not Qualified
子类别：	Secondary Storage Controllers	标称供电电压：	3.3 V
表面贴装：	YES	技术：	CMOS
温度等级：	COMMERCIAL	端子形式：	GULL WING
端子节距：	0.635 mm	端子位置：	QUAD
uPs/uCs/外围集成电路类型：	SECONDARY STORAGE CONTROLLER, FLOPPY DISK DRIVE	Base Number Matches：	1

82078SL 数据手册

82078 CHMOS SINGLE-CHIP

FLOPPY DISK CONTROLLER

Small Footprint and Low Height

Packages

Integrated Analog Data Separator

Ð 250 Kbits/sec

Ð 300 Kbits/ sec

Ð 500 Kbits/ sec

Ð 1 Mbits/sec

Supports Standard 5.0V as Well as Low

Voltage 3.3V Platforms

Ð Selectable 3.3V and 5.0V

Configuration

Ð 5.0V Tolerant Drive Interface

Ð 2 Mbits/sec

Integrated Tape Drive Support

Ð Standard 1 Mbps/500 Kbps/

250 Kbps Tape Drives

Enhanced Power Management

Ð Application Software Transparency

Ð Programmable Powerdown

Command

Ð New 2 Mbps Tape Drive Mode

Perpendicular Recording Support for

4 MB Drives

Ð Save and Restore Commands for 0V

Powerdown

Ð Auto Powerdown and Wakeup

Modes

Fully Decoded Drive Select and Motor

Signals

Programmable Write Precompensation

Delays

Ð Two External Power Management

Pins

Ð Consumes No Power While in

Powerdown

Addresses 256 Tracks Directly,

Supports Unlimited Tracks

Programmable Internal Oscillator

16 Byte FIFO

Floppy Drive Support Features

Ð Drive Specification Command

Ð Media ID Capability Provides Media

Recognition

Ð Drive ID Capability Allows the User

to Recognize the Type of Drive

Ð Selectable Boot Drive

Single-Chip Floppy Disk Controller

Solution for Portables and Desktops

Ð 100% PC-AT* Compatible

Ð 100% PS/2* Compatible

Ð 100% PS/2 Model 30 Compatible

Ð Fully Compatible with Intel’s 386SL

Microprocessor SuperSet

Ð Standard IBM and ISO Format

Features

Ð Integrated Drive and Data Bus

Buffers

Ð Format with Write Command for

High Performance in Mass Floppy

Duplication

Available in 64 Pin QFP and 44 Pin QFP

Package

(See Package Specification Order Number 240800, Package

Type S)

Integrated Host/Disk Interface Drivers

The 82078 Product Family brings a set of enhanced floppy disk controllers. These include several features

that allow for easy implementation in both the portable and desktop market. The current family includes a 64

pin and a 44 pin part in the smaller form factor QFP package. The 3.3V version of the 64 pin part provides an

ideal solution for the rapidly emerging 3.3V platforms. It also allows for a 5.0V tolerant floppy drive interface

that lets the users retain their normal 5.0V drives. Another version of the 64 pin part provides support for 2

Mbps data rate tape drives.

*Other brands and names are the property of their respective owners.

Information in this document is provided in connection with Intel products. Intel assumes no liability whatsoever, including infringement of any patent or

copyright, for sale and use of Intel products except as provided in Intel’s Terms and Conditions of Sale for such products. Intel retains the right to make

changes to these specifications at any time, without notice. Microcomputer Products may have minor variations to this specification known as errata.

February 1994

Order Number: 290468-003

12 3

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