ATtiny44 datasheet(179/236 Pages) ATMEL

No. de pieza	ATtiny44

Descripción Electrónicos	8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash

PDF	236 Pages

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Fabricante Electrónico	ATMEL [ATMEL Corporation]

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179

8006H–AVR–10/09

ATtiny24/44/84

20.5.3

Brown-Out Detection

Note:

1. VBOT may be below nominal minimum operating voltage for some devices. For devices where

this is the case, the device is tested down to VCC = VBOT during the production test. This guar-

antees that a Brown-out Reset will occur before V

CC drops to a voltage where correct

operation of the microcontroller is no longer guaranteed.

20.6

Analog Comparator Characteristics

Note:

All parameters are based on simulation results and they are not tested in production

Table 20-7.

BOT vs. BODLEVEL Fuse Coding

BODLEVEL [2..0] Fuses

Min

(1)

Typ

(1)

Max

(1)

Units

111

BOD Disabled

110

1.7

1.8

2.0

101

2.5

2.7

2.9

100

4.1

4.3

4.5

0XX

Reserved

Table 20-8.

Analog Comparator Characteristics, T

A = -40°C - 85°C

Symbol

Parameter

Condition

Min

Typ

Max

Units

VAIO

Input Offset Voltage

VCC = 5V, VIN = VCC / 2

< 10

ILAC

Input Leakage Current

VCC = 5V, VIN = VCC / 2

-50

tAPD

Analog Propagation Delay

(from saturation to slight overdrive)

VCC = 2.7V

750

VCC = 4.0V

500

Analog Propagation Delay

(large step change)

VCC = 2.7V

100

VCC = 4.0V

tDPD

Digital Propagation Delay

VCC = 1.8V - 5.5

CLK

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