Intel 8080 manual Conditions of Test, Voo- --- ---T

Models: 8080

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SCHOTTKY BIPOLAR 8210

A.C. Characteristics TA = O°C to 70°C, VCC = 5.0V ± 5%, VDD = 12V ± 5%

Symbol

Parameter

Min.

Typ.

Max.

Unit

tLd+

Delay Plus Rise Time for Low Voltage Drivers

5

13

20

ns

tLd-

Delay Plus Fall Time for Low Voltage Drivers

5

13

20

ns

tHd+

Delay Plus Rise Time for High Voltage Driver

10

30

40

ns

tHd-

Delay Plus Fall Time for High Voltage Driver

10

30

40

ns

A.C. CONDITIONS OF TEST

Symbol

Test

Typ.

Max.

CIN

Input Capacitance

6pF

12pF

*This parameter is periodically sampled and is not 100% tested. Condition of measurement is f = 1 MHz, Vbias=2V, VCC=OV, and TA = 25°C.

Test Load: CL = 200pF for Low Voltage Drivers, CL = 350pF for High Voltage Drivers

Input Pulse Amplitudes: 3.0V

Input Pulse Rise and Fall Times: 5ns between 1 volt and 2 volts

Measurement Points: See Waveforms

WaveformsApplication

HIGH VOLTAGE DRIVER

HIGH VOLTAGE OUTPUT CONNECTIONS

Voo- --- - ---T- - - - - - -- - - - - - - ---

2V

 

1.5V

, .. ----- + ---- OUTPUT

INPUT

t

USE 2N5057 OR

 

 

EQUIVALENT PNP

GND ---f-------T---T-----

4---tHd+-1l~tHd--

LOW VOLTAGE DRIVER

TRANSISTOR

~-------~----------------

~1.5V

INPUT

~

I

~

GND - - -+1---T;- - - -1 T---

1~ILd+-1'4 -- tLd --1.5V

5-96

Page 162
Image 162
Intel 8080 manual Conditions of Test, Voo- --- ---T