AT89LP428 datasheet(127/149 Pages) ATMEL

127 / 149 page

127

3654A–MICRO–8/09

AT89LP428/828

24. Electrical Characteristics

Notes:

1. Under steady state (non-transient) conditions, I

OL must be externally limited as follows:

Maximum IOL per port pin: 10 mA

Maximum total I

OL for all output pins: 15 mA

If I

OL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater

than the listed test conditions.

2. Minimum V

CC for Power-down is 2V.

24.1

Absolute Maximum Ratings*

Operating Temperature ................................... -40°C to +85°C

*NOTICE:

Stresses beyond those listed under “Absolute

Maximum Ratings” may cause permanent dam-

age to the device. This is a stress rating only and

functional operation of the device at these or any

other conditions beyond those indicated in the

operational sections of this specification is not

implied. Exposure to absolute maximum rating

conditions for extended periods may affect

device reliability.

Storage Temperature ..................................... -65°C to +150°C

Voltage on Any Pin with Respect to Ground ......-0.7V to +5.5V

Maximum Operating Voltage ............................................ 5.5V

DC Output Current...................................................... 15.0 mA

24.2

DC Characteristics

A = -40°C to 85°C, VCC = 2.4V to 5.5V (unless otherwise noted)

Symbol

Parameter

Condition

Min

Max

Units

VIL

Input Low-voltage

-0.5

0.3 VCC

VIH

Input High-voltage

0.7 VCC

VCC + 0.5

VOL

Output Low-voltage(1)

OL = 8 mA, VCC = 5V ± 10%

0.4

IOL = 4 mA

0.4

Output High-voltage

With Weak Pull-ups Enabled

IOH = -100 µA, VCC = 5V ± 10%

2.4

OH = -25 µA

0.75 V

IOH = -10 µA

0.9 VCC

OH1

Output High-voltage

With Strong Pull-ups Enabled

OH = -20 mA, VCC = 5V ± 10%

0.75 V

OH = -8 mA, VCC = 5V ± 10%

0.9 V

IOH = -6 mA

0.75 VCC

OH = -2 mA

0.9 V

Logic 0 Input Current

IN = 0.45V

-100

µA

ITL

Logic 1 to 0 Transition Current

VIN = 2.7V, VCC = 5V ± 10%

-300

µA

Input Leakage Current

0 < V

IN < VCC

±10

µA

Pin Capacitance

Test Freq. = 1 MHz, T

A = 25°C

ICC

Power Supply Current

Active Mode, 12 MHz, VCC = 5V/3V

10/6

Idle Mode, 12 MHz, V

CC = 5V/3V

5/3

Power-down Mode(2)

CC = 5V

µA

VCC = 3V

µA

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