ATTINY44-20PU Atmel, ATTINY44-20PU Datasheet - Page 184
ATTINY44-20PU
Manufacturer Part Number
ATTINY44-20PU
Description
IC MCU AVR 4K FLASH 20MHZ 14-DIP
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY44-20PU
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
14-DIP (0.300", 7.62mm)
Package
14PDIP
Device Core
AVR
Family Name
ATtiny
Maximum Speed
20 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
12
Interface Type
SPI/USI
On-chip Adc
8-chx10-bit
Number Of Timers
2
For Use With
ATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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High-Voltage Serial Programming Characteristics
ATtiny24/44/84
Figure 20-6. High-voltage Serial Programming Timing
Table 20-13. High-voltage Serial Programming Characteristics
t
WLWH_PFB
Symbol
SDI (PA6), SII (PA5)
t
t
t
t
t
SHOV
SHSL
SLSH
IVSH
SHIX
T
Parameter
SCI (PB0) Pulse Width High
SCI (PB0) Pulse Width Low
SDI (PA6), SII (PB1) Valid to SCI (PB0) High
SDI (PA6), SII (PB1) Hold after SCI (PB0) High
SCI (PB0) High to SDO (PA4) Valid
Wait after Instr. 3 for Write Fuse Bits
A
SDO (PA4)
SCI (PB0)
= 25°C, V
CC
= 5V (Unless otherwise noted)
t
IVSH
t
SHSL
t
SHOV
t
SHIX
Min
125
125
50
50
Typ
2.5
16
t
SLSH
Max
8006K–AVR–10/10
Units
ms
ns
ns
ns
ns
ns
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