AT89LP4052-20PI datasheet(76/90 Pages) ATMEL

76 / 90 page

3547F–MICRO–6/06

AT89LP2052/LP4052

Notes:

1. Under steady state (non-transient) conditions, IOL must be externally limited as follows:

Maximum I

OL per port pin: 10 mA

Maximum total I

OL for all output pins: 15 mA

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

than the listed test conditions.

2. Port in Quasi-Bidirectional Mode

3. Port in Push-Pull Output Mode

4. Minimum V

CC for Power-down is 2V.

23.2

DC Characteristics

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

Symbol

Parameter

Condition

Min

Max

Units

Input Low-voltage

(Except RST)

-0.5

0.25 V

VIL1

Input Low-voltage

(RST)

-0.5

0.3 VCC

Input High-voltage

(Except RST)

0.65 V

CC + 0.5

VIH1

Input High-voltage

(RST)

0.6 VCC

VCC + 0.5

VOL

Output Low-voltage (Ports 1, 3)(1)

IOL = 10 mA, VCC = 2.7V, TA = 85°C

0.5

VOH

Output High-voltage (Ports 1, 3)

using Weak Pull-up(2)

OH = -80 µA, VCC = 5V ± 10%

2.4

IOH = -30 µA

0.75 VCC

IOH = -12 µA

0.9 VCC

VOH1

Output High-voltage (Ports 1, 3)

using Strong Pull-up(3)

IOH = -10 mA, TA = 85°C

0.9 VCC

IIL

Logic 0 Input Current(2)

(Ports 1, 3)

VIN = 0.45V

-50

µA

ITL

Logic 1 to 0 Transition Current(2)

(Ports 1, 3)

VIN = 2V, VCC = 5V ± 10%

-300

µA

ILI

Input-Only Leakage Current

0 < VIN < VCC

±10

µA

VOS

Comparator Input Offset Voltage

VCC = 5V

VCM

Comparator Input Common Mode

Voltage

0VCC

RRST

Reset Pull-down Resistor

150

Ω

Pin Capacitance

Test Freq. = 1 MHz, T

A = 25°C

ICC

Power Supply Current

Active Mode, 12 MHz, VCC = 5.5V/3V

5.5/3.5

Idle Mode, 12 MHz, V

CC = 5.5V/3V

3/2

Power-down Mode(4)

CC = 5.5V

µA

VCC = 3V

µA

AT89LP4052-20PI 数据表(PDF) 76 Page - ATMEL Corporation

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