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P1754-20CMB

更新时间： 2024-09-19 04:11:31

品牌	Logo	应用领域
PYRAMID		/
页数	文件大小	规格书
20页	171K
描述
SINGLE CHIP, 40MHz CMOS PROCESSOR INTERFACE CIRCUIT (PIC)

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P1754-20CMB 数据手册

PACE1754

SINGLE CHIP, 40MHz CMOS

PROCESSOR INTERFACE CIRCUIT (PIC)

FEATURES

The PACE1754 (PIC) is a support chip for the

PACE1750A/AE Processor. It eliminates the SSI/

MSI Logic and external system functions

required in typical 1750A implementations.

Provides a significant savings in part-count and

power dissipation enhancing reliability and

overall system speed performance.

Provides an optimal interface when used with

the PACE1753 MMU/COMBO in a full 1750A

implementation.

Provides the following additional important

system functions:

— Programmable READY for memory and I/O

— Automatic READY during self-test and

internal I/O instructions

— 100KHz timer clock output provided

— Programmable system watchdog—ranges

from 1 µs to 1 minute

— Programmable Bus time-out function

— Memory Parity generation/detection

— Error detection of unimplemented memory

and/or I/O space addressing

— First failing memory address register for

diagnostics

— High drive three-state address latches

— Built-in system test program—automatically

tests the PACE1750A/AE CPU, PACE1753

MMU/COMBO, PACE1754 PIC and system

PACE1754 PROCESSOR INTERFACE

CIRCUIT DESCRIPTION

address lines as well as memory and I/O

strobes

— System configuration decoding and buffering

— Interrupt acknowledge decoder and strobe

— Start up ROM support per MIL-STD-1750A

— Memory or I/O READ/WRITE three-state

strobes with external three-state control for

DMA applications

The PACE1754 Processor Interface Circuit (PIC) is a

single chip implementation of many special system

functions that are often required when using the

PACE1750A/AE, single chip, 40MHz CMOS

Microprocessor. The PIC allows a system designer to

design a higher performance, more effecient

microprocessor system which uses less power and takes

up less board space than was previously possible.

20, 30 and 40 MHz operation over full Military

Temperature Range

In addition to providing significant savings in part count

andpowerdissipationthePICusesonlya5V±10%,single

supply and operates at 20, 30 and 40 MHz over the fully

Military Temperature Range. The PIC provides many

importantsystemfunctions.Thesefunctionsaregoverned

by respective bit positions in a programmable Control

bits of the control register are set to select the various

features and are set to a specified default value upon

Reset.

Single 5V ± 10% Power Supply

Power Dissipation over Military Temperature

Range

< 0.25 watts at 20 MHz

< 0.30 watts at 30 MHz

< 0.35 watts at 40 MHz

Available in:

— 64-Pin DIP or Gull Wing (50 Mil Pin centers)

— 68-Pin Pin Grid Array (PGA) (100 Mil centers)

— 68-Lead Quad Pack

Do c um e nt # MICRO-5 REV C

Re vise d No ve m b e r 2005

12 3 4 5 6 7...20

中文翻译

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与P1754-20CMB相关器件

型号	品牌	获取价格	描述	数据表
P1754-20GMB	PYRAMID	获取价格	SINGLE CHIP, 40MHz CMOS PROCESSOR INTERFACE CIRCUIT (PIC)
P1754-20PGMB	PYRAMID	获取价格	SINGLE CHIP, 40MHz CMOS PROCESSOR INTERFACE CIRCUIT (PIC)
P1754-20QGMB	PYRAMID	获取价格	SINGLE CHIP, 40MHz CMOS PROCESSOR INTERFACE CIRCUIT (PIC)
P1754-20QLMB	PYRAMID	获取价格	SINGLE CHIP, 40MHz CMOS PROCESSOR INTERFACE CIRCUIT (PIC)
P1754-30CMB	PYRAMID	获取价格	SINGLE CHIP, 40MHz CMOS PROCESSOR INTERFACE CIRCUIT (PIC)
P1754-30GMB	PYRAMID	获取价格	SINGLE CHIP, 40MHz CMOS PROCESSOR INTERFACE CIRCUIT (PIC)
P1754-30PGMB	PYRAMID	获取价格	SINGLE CHIP, 40MHz CMOS PROCESSOR INTERFACE CIRCUIT (PIC)
P1754-30QGMB	PYRAMID	获取价格	SINGLE CHIP, 40MHz CMOS PROCESSOR INTERFACE CIRCUIT (PIC)
P1754-30QLMB	PYRAMID	获取价格	SINGLE CHIP, 40MHz CMOS PROCESSOR INTERFACE CIRCUIT (PIC)
P1754-40CMB	PYRAMID	获取价格	SINGLE CHIP, 40MHz CMOS PROCESSOR INTERFACE CIRCUIT (PIC)

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