ATTINY44-20MUR Atmel, ATTINY44-20MUR Datasheet - Page 177
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ATTINY44-20MUR
Manufacturer Part Number
ATTINY44-20MUR
Description
MCU AVR 4KB FLASH 20MHZ 20QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY24-20MU.pdf
(238 pages)
Specifications of ATTINY44-20MUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
12
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY44-20MUR
Manufacturer:
ATMEL
Quantity:
2 100
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20.4.2
Figure 20-3. External Clock Drive Waveform
Table 20-3.
20.5
8006K–AVR–10/10
Symbol
1/t
t
t
t
t
t
Δ
CLCL
CHCX
CLCX
CLCH
CHCL
t
CLCL
CLCL
System and Reset Characteristics
External Clock Drive
Parameter
Clock Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from one clock cycle to the next
External Clock Drive Characteristics
V
IL1
V
Table 20-4.
Note:
IH1
Symbol
V
V
t
t
V
RST
HYST
BOD
t
I
RST
BG
BG
BG
1. Values are guidelines only.
Parameter
RESET Pin Threshold Voltage
Minimum pulse width on RESET
Pin
Brown-out Detector Hysteresis
Min Pulse Width on
Brown-out Reset
Internal bandgap reference
voltage
Internal bandgap reference
start-up time
Internal bandgap reference
current consumption
Reset, Brown-out, and Internal Voltage Characteristics
V
Min.
250
100
100
CC
0
= 1.8 - 5.5V
Max.
Condition
V
V
V
V
T
V
T
V
T
2.0
2.0
A
A
A
CC
CC
CC
CC
CC
CC
4
2
= 25°C
= 25°C
= 25°C
= 1.8V
= 3V
= 5V
= 5V
= 5V
= 5V
V
Min.
100
CC
40
40
0
= 2.7 - 5.5V
0.2 V
Min
1.0
Max.
1.6
1.6
10
(1)
2
CC
ATtiny24/44/84
Typ
2000
V
700
400
1.1
50
40
15
Min.
2
CC
50
20
20
0
(1)
= 4.5 - 5.5V
0.9V
Max
Max.
1.2
70
0.5
0.5
20
2
CC
(1)
Units
Units
MHz
mV
µA
ns
µs
µs
ns
ns
ns
µs
µs
%
V
V
177
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