Datasheet > 80C51BHP

80C51BHP

更新时间： 2024-01-23 11:46:31

品牌	Logo	应用领域
英特尔 - INTEL		微控制器
页数	文件大小	规格书
21页	285K
描述
CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

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技术参数
数据手册

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80C51BHP 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	unknown	HTS代码：	8542.31.00.01
风险等级：	5.57	技术：	CMOS
uPs/uCs/外围集成电路类型：	MICROCONTROLLER	Base Number Matches：	1

80C51BHP 数据手册

87C51/80C51BH/80C31BH

Package types and EXPRESS versions are identified

by a one- or two-letter prefix to the part number. The

prefixes are listed in Table 3.

ONCE MODE

The ONCE (‘‘On-Circuit Emulation’’) mode facilitates

testing and debugging of systems using the

87C51/BH without the 87C51/BH having to be re-

moved from the circuit. The ONCE mode is invoked

by:

For the extended temperature range option, this

data sheet specifies the parameters which deviate

from their commercial temperature range limits.

Table 3. Prefix Identification

1. Pull ALE low while the device is in reset and

PSEN is high;

Package

Type

Temperature

Range

Prefix

Burn-in

2. Hold ALE low as RST is deactivated.

Plastic

Cerdip

PLCC

QFP

Commercial

Extended

While the device is in ONCE mode, the Port 0 pins

float, and the other port pins and ALE and PSEN are

weakly pulled high. The oscillator circuit remains ac-

tive. While the 87C51/BH is in this mode, an emula-

tor or test CPU can be used to drive the circuit. Nor-

mal operation is restored when a normal reset is ap-

plied.

Plastic

Cerdip

PLCC

QFP

87C51/BH EXPRESS

The Intel EXPRESS system offers enhancements to

the operational specifications of the MCS-51 family

of microcontrollers. These EXPRESS products are

designed to meet the needs of those applications

whose operating requirements exceed commercial

temperature.

Plastic

Cerdip

PLCC

Yes

NOTE:

Contact distributor or local sales office to match EXPRESS

prefix to proper device.

The EXPRESS program includes the commercial

standard temperature range with burn-in and an ex-

tended temperature range with or without burn-in.

Examples:

With the commercial standard temperature range,

operational characteristics are guaranteed over the

temperature range of 0 C to 70 C. With the extend-

P87C51 indicates 87C51 in a plastic package and

specified for commercial temperature range, without

burn-in.

ed temperature range option, operational character-

istics are guaranteed over the range of 40 C to

LD87C51 indicates 87C51 in a cerdip package and

specified for extended temperature range with burn-

in.

85 C.

The optional burn-in is dynamic for a minimum time

following guidelines in MIL-STD-883, Method 1015.

6.9V 0.25V,

of 160 hours at 125 C with V

1...4 5 678 9 10...21

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