ATTINY45-20SH Atmel, ATTINY45-20SH Datasheet - Page 169
ATTINY45-20SH
Manufacturer Part Number
ATTINY45-20SH
Description
IC MCU AVR 4KB FLASH 20MHZ 8SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY45-20SH
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
6
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 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
Processor Series
ATtiny
Core
AVR
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SPI, USI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Operating Supply Voltage
5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 169 of 236
- Download datasheet (5Mb)
21.4
21.4.1
Table 21-2.
21.4.2
Figure 21-3. External Clock Drive Waveforms
21.4.3
Table 21-3.
2586M–AVR–07/10
Calibration
Method
Factory
Calibration
User
Calibration
Symbol
1/t
t
t
t
t
t
Δ
CLCL
CHCX
CLCX
CLCH
CHCL
t
CLCL
CLCL
Clock Characteristics
Calibrated Internal RC Oscillator Accuracy
External Clock Drive
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
Calibration Accuracy of Internal RC Oscillator
External Clock Drive
Fixed frequency within:
Target Frequency
It is possible to manually calibrate the internal oscillator to be more accurate than default factory
calibration. Please note that the oscillator frequency depends on temperature and voltage. Volt-
age and temperature characteristics can be found in
41 on page
Notes:
8.0 MHz
6 – 8 MHz
V
IL1
V
1. Accuracy of oscillator frequency at calibration point (fixed temperature and fixed voltage).
2. ATtiny25/V, only: 6.4 MHz in ATtiny15 Compatibility Mode.
3. Voltage range for ATtiny25V/45V/85V.
4. Voltage range for ATtiny25/45/85.
IH1
(2)
198.
Fixed voltage within:
1.8V - 5.5V
2.7V - 5.5V
V
3V
CC
V
Min.
250
100
100
(3)
(4)
CC
0
= 1.8 - 5.5V
Max.
2.0
2.0
4
2
Fixed temperature
-40°C to +85°C
Temperature
V
within:
Min.
Figure 22-40 on page 198
25°C
100
CC
40
40
0
= 2.7 - 5.5V
Max.
1.6
1.6
10
2
Accuracy at given Voltage
V
Min.
CC
50
20
20
0
& Temperature
= 4.5 - 5.5V
±10%
±1%
Max.
and
0.5
0.5
20
2
Figure 22-
(1)
Units
MHz
ns
ns
ns
µs
µs
%
169
Related parts for ATTINY45-20SH
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
Part Number:
Description:
IC AVR MCU 4K 20MHZ 8SOIC
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC AVR MCU 4K 20MHZ 8DIP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
MCU AVR 4K FLASH 15MHZ 8-SOIC
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
MCU AVR 4KB FLASH 20MHZ 8SOIC
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC MCU AVR 4K FLASH 20MHZ 8TSSOP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC AVR MCU FLASH 4K 20MHZ 20MLF
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
MCU AVR 4KB FLASH 20MHZ 8TSSOP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
MCU AVR 4KB FLASH 20MHZ 20QFN
Manufacturer:
Atmel
Datasheet: