EN87C51FA1SF76 Ver la hoja de datos (PDF) - Atmel Corporation

Número de pieza

componentes Descripción

Fabricante

EN87C51FA1SF76

CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

Atmel Corporation 

EXTERNAL DATA MEMORY WRITE CYCLE

87C51/80C51BH/80C31BH

EXTERNAL CLOCK DRIVE

All parameter values apply to all devices unless otherwise indicated. In this

table, 87C51/BH refers to 87C51/BH, 87C51-1/BH-1 and 87C51-2/BH-2.

Symbol

1/TCLCL

TCHCX

TCLCX

TCLCH

TCHCL

Parameter

Oscillator Frequency

87C51/BH

87C51-1/BH-1

87C51-2/BH-2

87C51-24/BH-24

High Time

87C51/BH

8751-24/BH-24

Low Time

87C51/BH

87C51-24/BH-24

Rise Time

87C51/BH

87C51-24/BH-24

Fall Time

87C51/BH

87C51-24/BH-24

Min

3.5

3.5

0.5

3.5

20

0.35TCLCL

20

0.35TCLCL

Max

12

16

12

24

0.65TCLCL

0.65TCLCL

20

10

20

10

Units

MHz

MHz

MHz

MHz

ns

ns

ns

ns

ns

ns

ns

ns

EXTERNAL CLOCK DRIVE WAVEFORM

272335 ±15

272335-14

15

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