LP87C51F 查看數據表（PDF） - Intel

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LP87C51F

CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

Intel 

AUTOMOTIVE 87C51FA FB FC FC-20

range of b40 C to a85 C ambient For the automo-

tive temperature range option operational charac-

teristics are guaranteed over the temperature range

of b40 C to a125 C ambient The automotive ex-

tended and commercial temperature versions of the

MCS-51 product families are available with or with-

out burn-in options

As shown in Figure 2 temperature burn-in and

package options are identified by a one- or two-letter

prefix to the part number

PIN DESCRIPTIONS

VCC Supply voltage

VSS Circuit ground

VSS1 Secondary ground (in PLCC only) Provided to

reduce ground bounce and improve power supply

by-passing

NOTE

This pin is NOT a substitute for VSS pin (pin 22)

Port 0 Port 0 is an 8-bit open drain bidirectional

I O port As an output port each pin can sink several

LS TTL inputs Port 0 pins that have 1’s written to

them float and in that state can be used as high-im-

pedance inputs

270961 – 2

Example

AN87C51FA FB FC indicates an automotive temperature range version of the 87C51FA FB FC in a PLCC package

with 16 Kbyte 32 Kbyte EPROM program memory

Figure 2 Package Options

Temperature

Classification

Extended

Automotive

Table 1 Temperature Options

Temperature

Designation

Operating

Temperature

C Ambient

T

b40 to a85

L

b40 to a85

A

b40 to a125

B

b40 to a125

Burn-In

Options

Standard

Extended

Standard

Extended

3

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