TD8752BH Ver la hoja de datos (PDF) - Intel

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TD8752BH

MCS®51 8-BIT CONTROL-ORIENTED MICROCONTROLLERS

Intel 

MCS@51 CONTROLLER

EXTERNAL CLOCK DRIVE

Symbol

Parameter

Min

Max

1 Units

1/TCLCL

Oscillator Frequency (except 8751H-8)

3.5

12

MHz

8751 H-8

3.5

8

MHz

TCHCX

High Time

20

ns

TCLCX

I TCLCH

Low Time

I Rise Time

20

ns

I

I 20 I

ns

I

TCHCL

Fall Time

20

ns

EXTERNAL CLOCK DRIVE WAVEFORM

—

2.5 t

TCHCX —

a

TCLCH _

—

t 2.5

—

A

~ TCliCL

-— TCLCX —

+

TCLCL

AC TESTING INPUT, OUTPUT WAVEFORM

2.4

2.0

2.0

TEST POINTS

><

0.s

0.8

0.45

272318-10

AC Testing: Inputs are driven at 2.4V for a Logic “1” and 0.45V

for a Logic “O”. Timing measurements ara made at 2.OV for a

Logic “1” and 0.8V for a Logic“O”.

w

272318-9

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