8253/8253·5

ABSOLUTE MAXIMUM RATINGS·

Ambient Temperature Under Bias

O"e to 700 e

Storage Temperature

-65°e to +150o e

Voltage On Any Pin

 

With Respect to Ground

-0.5Vto+7V

Power Dissipation

1 Watt

'COMMENT: Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional opera- tion of the device at these or any other conditions above those indicated in the operational sections of this specifi- cation is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

D.C. CHARACTERISTICS (TA = O°Cto 70°C; Vee = 5V ±5%)

SYMBOL

PARAMETER

 

 

MIN_

MAX.

UNITS

TEST CONDITIONS

V,L

Input Low Voltage

 

 

-0_5

0_8

V

 

V,H

Input High Voltage

 

 

2_2

Vee+- 5V

V

 

VOL

Output Low Voltage

 

 

 

0.45

V

Note 1

VOH

Output High Voltage

 

 

2.4

 

V

Note 2

I,L

Input Load Current

 

 

 

±10

/lA

V,N =Vee to OV

IOFL

Output Float Leakage

 

 

 

±10

/lA

VOUT =Vee to OV

lee

Vee Supply Current

 

 

 

140

mA

 

Note 1: 8253, IOL = 1.6 mA; 8253-5, IOL = 2.2 mA_

 

 

 

 

 

Note 2: 8253, IOH = -150 /lA; 8253-5, IOH = -400/lA.

 

 

 

 

 

CAPACITANCE TA = 25°C; Vee = GND = ov

 

 

 

 

 

Symbol

Parameter

Min_

Typ_

Max.

Unit

Test Conditions

C'N

Input Capacitance

 

 

10

pF

Ic = 1 MHz

 

CliO

I/O Capacitance

 

 

20

pF

Unmeasured pins returned to VSS

9-14

AFN-00745A-09

Page 329
Image 329
Intel mcs-48 manual Absolute Maximum RATINGS·, Oe to 700 e