N8259A

更新时间： 2024-11-20 22:29:15

品牌	Logo	应用领域
英特尔 - INTEL		中断控制器微控制器和处理器外围集成电路
页数	文件大小	规格书
24页	326K
描述
PROGRAMMABLE INTERRUPT CONTROLLER

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N8259A 技术参数

8259A

PROGRAMMABLE INTERRUPT CONTROLLER

(8259A/8259A-2)

Single 5V Supply (No Clocks)

8086, 8088 Compatible

MCS-80, MCS-85 Compatible

Eight-Level Priority Controller

Expandable to 64 Levels

Available in 28-Pin DIP and 28-Lead

PLCC Package

(See Packaging Spec., Order 231369)

Available in EXPRESS

Ð Standard Temperature Range

Ð Extended Temperature Range

Programmable Interrupt Modes

Individual Request Mask Capability

The Intel 8259A Programmable Interrupt Controller handles up to eight vectored priority interrupts for the CPU.

It is cascadable for up to 64 vectored priority interrupts without additional circuitry. It is packaged in a 28-pin

DIP, uses NMOS technology and requires a single 5V supply. Circuitry is static, requiring no clock input.

The 8259A is designed to minimize the software and real time overhead in handling multi-level priority inter-

rupts. It has several modes, permitting optimization for a variety of system requirements.

The 8259A is fully upward compatible with the Intel 8259. Software originally written for the 8259 will operate

the 8259A in all 8259 equivalent modes (MCS-80/85, Non-Buffered, Edge Triggered).

DIP

231468–2

PLCC

231468–31

Figure 2. Pin

231468–1

Configurations

Figure 1. Block Diagram

December 1988

Order Number: 231468-003

12 3 4 5 6 7...24

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型号	品牌	获取价格	描述	数据表
N8259A-2	ROCHESTER	获取价格	Interrupt Controller, 8086; 8088; MCS-80; MCS-85 Compatible, NMOS, PQCC28, PLASTIC, LCC-28
N8262F	PHILIPS	获取价格	Parity Generator/Checker, TTL, CDIP14
N8262NB	PHILIPS	获取价格	Parity Generator/Checker, TTL, PDIP14
N8262S001-000000	Carling Technologies	获取价格	Rocker Switch
N8263	ETC	获取价格	3-INPUT 4-BIT DIGITAL MULTIPLEXER
N8263F	ETC	获取价格	3-INPUT 4-BIT DIGITAL MULTIPLEXER
N8263N	ETC	获取价格	3-INPUT 4-BIT DIGITAL MULTIPLEXER
N8264	ETC	获取价格	3-INPUT 4-BIT DIGITAL MULTIPLEXER
N8264F	ETC	获取价格	3-INPUT 4-BIT DIGITAL MULTIPLEXER
N8264N	ETC	获取价格	3-INPUT 4-BIT DIGITAL MULTIPLEXER