|
|
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 1KB EEPROM, 12-bit ADC2, Vector Interrupts, DMA, MAP, DIA, DAC, Comp, PWM, CWG,HLT, WWDT, SCAN/CRC, ZCD, PPS, UART, SPI/I2C, IDLE/DOZE/PMD
- PIC18F46K42-E/PT
- Microchip Technology
-
1:
2,28 €
-
6.902In Stock
|
Mouser Part No
579-PIC18F46K42-E/PT
|
Microchip Technology
|
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 1KB EEPROM, 12-bit ADC2, Vector Interrupts, DMA, MAP, DIA, DAC, Comp, PWM, CWG,HLT, WWDT, SCAN/CRC, ZCD, PPS, UART, SPI/I2C, IDLE/DOZE/PMD
|
|
6.902In Stock
|
|
|
2,28 €
|
|
|
2,09 €
|
|
|
1,89 €
|
|
Min.: 1
Mult.: 1
|
|
|
PIC18
|
64 kB
|
4 kB
|
TQFP-44
|
64 MHz
|
12 bit
|
36 I/O
|
2.3 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 125 C
|
PIC18(L)F4xK42
|
|
Tray
|
|
|
|
8-bit Microcontrollers - MCU 64KB Flash 3968b RAM 8b FamilynanoWat XL
- PIC18LF46K22T-I/ML
- Microchip Technology
-
1:
3,51 €
-
10.678In Stock
|
Mouser Part No
579-PIC18LF46K22TIML
|
Microchip Technology
|
8-bit Microcontrollers - MCU 64KB Flash 3968b RAM 8b FamilynanoWat XL
|
|
10.678In Stock
|
|
|
3,51 €
|
|
|
3,44 €
|
|
|
3,31 €
|
|
|
2,92 €
|
|
|
2,92 €
|
|
|
Quote
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
:
1.600
|
|
|
PIC18
|
64 kB
|
3.8 kB
|
QFN-44
|
64 MHz
|
10 bit
|
36 I/O
|
1.8 V
|
3.6 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
PIC18F2xK22
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
8-bit Microcontrollers - MCU 16K FlSh 256B RAM IND
- CY8C27443-24PVXIT
- Infineon Technologies
-
1:
10,56 €
-
1.982In Stock
|
Mouser Part No
727-CY8C2744324PVXIT
|
Infineon Technologies
|
8-bit Microcontrollers - MCU 16K FlSh 256B RAM IND
|
|
1.982In Stock
|
|
|
10,56 €
|
|
|
8,27 €
|
|
|
7,36 €
|
|
|
7,08 €
|
|
|
5,86 €
|
|
|
View
|
|
|
6,85 €
|
|
|
6,40 €
|
|
|
5,68 €
|
|
Min.: 1
Mult.: 1
:
1.000
|
|
|
M8C
|
16 kB
|
256 B
|
SSOP-28
|
24 MHz
|
14 bit
|
16 I/O
|
3 V
|
5.25 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
CY8C27443
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
- CY8C3866PVI-021
- Infineon Technologies
-
1:
19,33 €
-
1.924In Stock
|
Mouser Part No
727-CY8C3866PVI-021
|
Infineon Technologies
|
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
|
|
1.924In Stock
|
|
|
19,33 €
|
|
|
16,53 €
|
|
|
13,76 €
|
|
|
13,30 €
|
|
|
View
|
|
|
13,28 €
|
|
|
12,06 €
|
|
|
12,05 €
|
|
Min.: 1
Mult.: 1
|
|
|
8051
|
64 kB
|
8 kB
|
SSOP-48
|
67 MHz
|
20 bit
|
31 I/O
|
1.71 V
|
1.89 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
CY8C3866
|
|
Tube
|
|
|
|
8-bit Microcontrollers - MCU 8 BIT,HCS08L Core, 60k Flash
- MC9S08PA60AVLC
- NXP Semiconductors
-
1:
5,19 €
-
5.976In Stock
|
Mouser Part No
841-MC9S08PA60AVLC
|
NXP Semiconductors
|
8-bit Microcontrollers - MCU 8 BIT,HCS08L Core, 60k Flash
|
|
5.976In Stock
|
|
|
5,19 €
|
|
|
3,57 €
|
|
|
3,33 €
|
|
|
2,57 €
|
|
|
View
|
|
|
2,48 €
|
|
|
2,32 €
|
|
|
2,10 €
|
|
|
2,04 €
|
|
|
2,03 €
|
|
Min.: 1
Mult.: 1
|
|
|
S08
|
60 kB
|
4 kB
|
LQFP-32
|
20 MHz
|
12 bit
|
28 I/O
|
2.7 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 105 C
|
S08PA
|
|
Tray
|
|
|
|
8-bit Microcontrollers - MCU 28KB Flash,256EE,2KB RAM, 10b ADC,8b DAC, 3xPWM, 2xCCP,CRC, HLT, WDT, PPS,
- PIC16F18046-I/SO
- Microchip Technology
-
1:
0,972 €
-
4.866In Stock
|
Mouser Part No
579-PIC16F18046-I/SO
|
Microchip Technology
|
8-bit Microcontrollers - MCU 28KB Flash,256EE,2KB RAM, 10b ADC,8b DAC, 3xPWM, 2xCCP,CRC, HLT, WDT, PPS,
|
|
4.866In Stock
|
|
Min.: 1
Mult.: 1
|
|
|
RISC
|
28 kB
|
2 kB
|
SOIC-20
|
32 MHz
|
10 bit
|
18 I/O
|
1.8 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
|
|
Tube
|
|
|
|
8-bit Microcontrollers - MCU 20MHz, 16KB, QFN
- ATMEGA1608-MUR
- Microchip Technology
-
1:
0,963 €
-
20.862In Stock
|
Mouser Part No
556-ATMEGA1608-MUR
|
Microchip Technology
|
8-bit Microcontrollers - MCU 20MHz, 16KB, QFN
|
|
20.862In Stock
|
|
|
0,963 €
|
|
|
0,937 €
|
|
|
0,903 €
|
|
|
0,854 €
|
|
|
0,80 €
|
|
|
0,794 €
|
|
Min.: 1
Mult.: 1
:
5.000
|
|
|
AVR
|
16 kB
|
2 kB
|
VQFN-32
|
20 MHz
|
10 bit
|
27 I/O
|
1.8 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
ATmega1608
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
8-bit Microcontrollers - MCU USB 32K FLASH
- ATMEGA32U2-AU
- Microchip Technology
-
1:
3,30 €
-
5.158In Stock
|
Mouser Part No
556-ATMEGA32U2-AU
|
Microchip Technology
|
8-bit Microcontrollers - MCU USB 32K FLASH
|
|
5.158In Stock
|
|
|
3,30 €
|
|
|
3,03 €
|
|
|
2,92 €
|
|
|
2,74 €
|
|
Min.: 1
Mult.: 1
|
|
|
AVR
|
32 kB
|
1 kB
|
TQFP-32
|
16 MHz
|
No ADC
|
22 I/O
|
2.7 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
ATmega32U2
|
|
Tray
|
|
|
|
8-bit Microcontrollers - MCU 16 MHz, 85DEG
- ATMEGA64M1-AU
- Microchip Technology
-
1:
5,93 €
-
26.246In Stock
|
Mouser Part No
556-ATMEGA64M1-AU
|
Microchip Technology
|
8-bit Microcontrollers - MCU 16 MHz, 85DEG
|
|
26.246In Stock
|
|
|
5,93 €
|
|
|
5,38 €
|
|
|
4,94 €
|
|
|
4,91 €
|
|
Min.: 1
Mult.: 1
|
|
|
AVR
|
64 kB
|
4 kB
|
TQFP-32
|
16 MHz
|
10 bit
|
27 I/O
|
2.7 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
ATmega64M1
|
|
Tray
|
|
|
|
8-bit Microcontrollers - MCU 20MHz, 8KB, QFN
- ATMEGA808-MUR
- Microchip Technology
-
1:
0,877 €
-
26.329In Stock
|
Mouser Part No
556-ATMEGA808-MUR
|
Microchip Technology
|
8-bit Microcontrollers - MCU 20MHz, 8KB, QFN
|
|
26.329In Stock
|
|
|
0,877 €
|
|
|
0,855 €
|
|
|
0,816 €
|
|
|
0,778 €
|
|
|
0,745 €
|
|
|
0,727 €
|
|
Min.: 1
Mult.: 1
:
5.000
|
|
|
AVR
|
8 kB
|
1 kB
|
VQFN-32
|
20 MHz
|
10 bit
|
27 I/O
|
1.8 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 125 C
|
ATmega808
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
8-bit Microcontrollers - MCU 14Kb Flash 1Kb ROM PAmp FstCmp I2C/SPI
- PIC16F1786-I/SO
- Microchip Technology
-
1:
2,07 €
-
7.800In Stock
|
Mouser Part No
579-PIC16F1786-I/SO
|
Microchip Technology
|
8-bit Microcontrollers - MCU 14Kb Flash 1Kb ROM PAmp FstCmp I2C/SPI
|
|
7.800In Stock
|
|
|
2,07 €
|
|
|
1,94 €
|
|
|
1,79 €
|
|
Min.: 1
Mult.: 1
|
|
|
PIC16
|
14 kB
|
1 kB
|
SOIC-28
|
32 MHz
|
12 bit
|
25 I/O
|
2.3 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
PIC16(L)F178x
|
|
Tube
|
|
|
|
8-bit Microcontrollers - MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced Mid
- PIC16F1825-I/SL
- Microchip Technology
-
1:
1,37 €
-
12.024In Stock
|
Mouser Part No
579-PIC16F1825-I/SL
|
Microchip Technology
|
8-bit Microcontrollers - MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced Mid
|
|
12.024In Stock
|
|
|
1,37 €
|
|
|
1,30 €
|
|
|
1,19 €
|
|
|
1,17 €
|
|
Min.: 1
Mult.: 1
|
|
|
PIC16
|
14 kB
|
1 kB
|
SOIC-14
|
32 MHz
|
10 bit
|
12 I/O
|
2.3 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
PIC16(L)F182x
|
|
Tube
|
|
|
|
8-bit Microcontrollers - MCU 28KB, 2KB RAM, 256B EEPROM, 10b ADC, Comparator, 5b DAC, 10b PWM, CCP, CLC, NCO,
- PIC16F18346T-E/SS
- Microchip Technology
-
1:
1,34 €
-
10.623In Stock
|
Mouser Part No
579-PIC16F18346TE/SS
|
Microchip Technology
|
8-bit Microcontrollers - MCU 28KB, 2KB RAM, 256B EEPROM, 10b ADC, Comparator, 5b DAC, 10b PWM, CCP, CLC, NCO,
|
|
10.623In Stock
|
|
|
1,34 €
|
|
|
1,22 €
|
|
|
1,13 €
|
|
|
1,13 €
|
|
|
1,12 €
|
|
Min.: 1
Mult.: 1
:
1.600
|
|
|
PIC16
|
28 kB
|
2 kB
|
SSOP-20
|
32 MHz
|
10 bit
|
18 I/O
|
2.3 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 125 C
|
PIC16(L)F183xx
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
8-bit Microcontrollers - MCU 16KBFlash 512byteRAM 256bytesEEPROM
- PIC18F14K22T-I/SO
- Microchip Technology
-
1:
2,17 €
-
9.608In Stock
|
Mouser Part No
579-PIC18F14K22TI/SO
|
Microchip Technology
|
8-bit Microcontrollers - MCU 16KBFlash 512byteRAM 256bytesEEPROM
|
|
9.608In Stock
|
|
|
2,17 €
|
|
|
2,11 €
|
|
|
1,91 €
|
|
|
1,89 €
|
|
|
1,80 €
|
|
|
View
|
|
|
1,88 €
|
|
|
1,80 €
|
|
|
1,79 €
|
|
Min.: 1
Mult.: 1
:
1.600
|
|
|
PIC18
|
16 kB
|
512 B
|
SOIC-20
|
64 MHz
|
10 bit
|
17 I/O
|
2.3 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
PIC18(L)F1xK22
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
8-bit Microcontrollers - MCU 64KBFlash 3968 RAM25 I/O 8B Family PbFree
- PIC18F26K20-I/SS
- Microchip Technology
-
1:
2,43 €
-
12.243In Stock
|
Mouser Part No
579-PIC18F26K20-I/SS
|
Microchip Technology
|
8-bit Microcontrollers - MCU 64KBFlash 3968 RAM25 I/O 8B Family PbFree
|
|
12.243In Stock
|
|
|
2,43 €
|
|
|
2,16 €
|
|
|
2,11 €
|
|
Min.: 1
Mult.: 1
|
|
|
PIC18
|
64 kB
|
3.84 kB
|
SSOP-28
|
64 MHz
|
10 bit
|
25 I/O
|
1.8 V
|
3.6 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
PIC18F2xK20
|
|
Tube
|
|
|
|
8-bit Microcontrollers - MCU 64 KB FL 2 KB RAM
- PIC18F86J10-I/PT
- Microchip Technology
-
1:
4,11 €
-
2.984In Stock
|
Mouser Part No
579-PIC18F86J10-I/PT
|
Microchip Technology
|
8-bit Microcontrollers - MCU 64 KB FL 2 KB RAM
|
|
2.984In Stock
|
|
|
4,11 €
|
|
|
4,02 €
|
|
|
3,81 €
|
|
Min.: 1
Mult.: 1
|
|
|
PIC18
|
64 kB
|
2 kB
|
TQFP-80
|
40 MHz
|
10 bit
|
66 I/O
|
2 V
|
2.7 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 125 C
|
PIC18F8xJ10
|
|
Tray
|
|
|
|
8-bit Microcontrollers - MCU 16Kb Flash 1Kb SRAM PSoC
- CY8C22545-24AXI
- Infineon Technologies
-
1:
8,00 €
-
2.928In Stock
|
Mouser Part No
727-CY8C22545-24AXI
|
Infineon Technologies
|
8-bit Microcontrollers - MCU 16Kb Flash 1Kb SRAM PSoC
|
|
2.928In Stock
|
|
|
8,00 €
|
|
|
6,21 €
|
|
|
5,50 €
|
|
|
5,14 €
|
|
|
View
|
|
|
4,85 €
|
|
|
4,55 €
|
|
|
4,31 €
|
|
Min.: 1
Mult.: 1
|
|
|
M8C
|
16 kB
|
1 kB
|
TQFP-44
|
24 MHz
|
8 bit
|
38 I/O
|
3 V
|
5.25 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
CY8C22xxx
|
|
Tray
|
|
|
|
8-bit Microcontrollers - MCU S08DZ 8-bit MCU, S08 core, 16KB Flash, 40MHz, QFP 32
- MC9S08DZ16ACLC
- NXP Semiconductors
-
1:
12,19 €
-
3.078In Stock
|
Mouser Part No
841-MC9S08DZ16ACLC
|
NXP Semiconductors
|
8-bit Microcontrollers - MCU S08DZ 8-bit MCU, S08 core, 16KB Flash, 40MHz, QFP 32
|
|
3.078In Stock
|
|
|
12,19 €
|
|
|
10,21 €
|
|
|
9,98 €
|
|
|
9,49 €
|
|
|
View
|
|
|
9,25 €
|
|
|
9,12 €
|
|
|
8,97 €
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
S08
|
16 kB
|
1 kB
|
LQFP-32
|
40 MHz
|
12 bit
|
26 I/O
|
2.7 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
S08D
|
|
Tray
|
|
|
|
8-bit Microcontrollers - MCU AVR USB 16K FL 16MHz Ind Temp Grn
- ATMEGA32U4RC-AUR
- Microchip Technology
-
1:
4,64 €
-
3.899In Stock
|
Mouser Part No
556-ATMEGA32U4RC-AUR
|
Microchip Technology
|
8-bit Microcontrollers - MCU AVR USB 16K FL 16MHz Ind Temp Grn
|
|
3.899In Stock
|
|
|
4,64 €
|
|
|
4,30 €
|
|
|
4,26 €
|
|
|
4,22 €
|
|
|
View
|
|
|
3,86 €
|
|
|
4,19 €
|
|
|
3,86 €
|
|
|
3,86 €
|
|
Min.: 1
Mult.: 1
:
1.500
|
|
|
AVR
|
32 kB
|
2.5 kB
|
TQFP-44
|
16 MHz
|
10 bit
|
26 I/O
|
2.7 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
ATmega32U4
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
8-bit Microcontrollers - MCU 1.75KB 128 RAM 6 I/O
- PIC12C671T-04I/SM
- Microchip Technology
-
1:
2,59 €
-
4.605In Stock
|
Mouser Part No
579-12C671T-04I/SM
|
Microchip Technology
|
8-bit Microcontrollers - MCU 1.75KB 128 RAM 6 I/O
|
|
4.605In Stock
|
|
Min.: 1
Mult.: 1
:
2.100
|
|
|
PIC12
|
1.75 kB
|
128 B
|
SOIC-8
|
4 MHz
|
8 bit
|
5 I/O
|
3 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
PIC12(L)C67x
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
8-bit Microcontrollers - MCU 14KB, 1KB RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 2 EUSART, SPI/I2C
- PIC16F15375-I/PT
- Microchip Technology
-
1:
1,45 €
-
11.845In Stock
|
Mouser Part No
579-PIC16F15375-I/PT
|
Microchip Technology
|
8-bit Microcontrollers - MCU 14KB, 1KB RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 2 EUSART, SPI/I2C
|
|
11.845In Stock
|
|
|
1,45 €
|
|
|
1,32 €
|
|
|
1,21 €
|
|
Min.: 1
Mult.: 1
|
|
|
PIC16
|
14 kB
|
1 kB
|
TQFP-44
|
32 MHz
|
10 bit
|
36 I/O
|
2.3 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
PIC16(L)F153xx
|
AEC-Q100
|
Tray
|
|
|
|
8-bit Microcontrollers - MCU 7KB FL 256R 18 I/O
- PIC16F690-E/SO
- Microchip Technology
-
1:
2,54 €
-
5.773In Stock
|
Mouser Part No
579-PIC16F690-E/SO
|
Microchip Technology
|
8-bit Microcontrollers - MCU 7KB FL 256R 18 I/O
|
|
5.773In Stock
|
|
Min.: 1
Mult.: 1
|
|
|
PIC16
|
7 kB
|
256 B
|
SOIC-20
|
20 MHz
|
10 bit
|
18 I/O
|
4.5 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 125 C
|
PIC16F690
|
|
Tube
|
|
|
|
8-bit Microcontrollers - MCU 7KB 368 RAM 16 I/O
- PIC16LF87-I/SS
- Microchip Technology
-
1:
3,99 €
-
5.092In Stock
|
Mouser Part No
579-PIC16LF87-I/SS
|
Microchip Technology
|
8-bit Microcontrollers - MCU 7KB 368 RAM 16 I/O
|
|
5.092In Stock
|
|
Min.: 1
Mult.: 1
|
|
|
PIC16
|
7 kB
|
368 B
|
SSOP-20
|
20 MHz
|
No ADC
|
16 I/O
|
2 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
PIC16(L)F8x
|
|
Tube
|
|
|
|
8-bit Microcontrollers - MCU 32KB FL 4KBRM 16MIPS 12bit ADC CTMU
- PIC18F25K80-E/SS
- Microchip Technology
-
1:
3,22 €
-
4.342In Stock
|
Mouser Part No
579-PIC18F25K80-E/SS
|
Microchip Technology
|
8-bit Microcontrollers - MCU 32KB FL 4KBRM 16MIPS 12bit ADC CTMU
|
|
4.342In Stock
|
|
|
3,22 €
|
|
|
3,21 €
|
|
|
2,74 €
|
|
|
2,68 €
|
|
Min.: 1
Mult.: 1
|
|
|
PIC18
|
32 kB
|
3.6 kB
|
SSOP-28
|
64 MHz
|
12 bit
|
24 I/O
|
1.8 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 125 C
|
PIC18(L)F2xK80
|
|
Tube
|
|
|
|
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 1KB EEPROM, 12-bit ADC2, Vector Interrupts, DMA, MAP, DIA, DAC, Comp, PWM, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, UART, SPI/I2C, IDLE/DOZE/PMD
- PIC18F26K42-I/ML
- Microchip Technology
-
1:
1,86 €
-
41.040In Stock
|
Mouser Part No
579-PIC18F26K42-I/ML
|
Microchip Technology
|
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 1KB EEPROM, 12-bit ADC2, Vector Interrupts, DMA, MAP, DIA, DAC, Comp, PWM, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, UART, SPI/I2C, IDLE/DOZE/PMD
|
|
41.040In Stock
|
|
|
1,86 €
|
|
|
1,64 €
|
|
|
1,55 €
|
|
Min.: 1
Mult.: 1
|
|
|
PIC18
|
64 kB
|
4 kB
|
QFN-28
|
64 MHz
|
12 bit
|
25 I/O
|
2.3 V
|
5.5 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
PIC18(L)F2xK42
|
AEC-Q100
|
Tube
|
|
Estonia