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20 MHz Microcontrollers - MCU

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Types of Microcontrollers - MCU

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Results: 3,474

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Maximum Clock Frequency = 20 MHz

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Part #

8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR16EA28T-I/SS
Microchip Technology
1: $0.99
2,100In Stock

Mfr. Part #
AVR16EA28T-I/SS

Mouser Part #
579-AVR16EA28T-I/SS

Microchip Technology

8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

2,100In Stock

Cut Tape

$0.99

Reel

$0.99

MouseReel Available

Min.: 1
Mult.: 1

: 2,100

SMD/SMT

SSOP-28

16 kB

8 bit/16 bit

12 bit

20 MHz

24 I/O

2 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR16EA32T-I/RXB
Microchip Technology
1: $1.02
4,974In Stock

Mfr. Part #
AVR16EA32T-I/RXB

Mouser Part #
579-AVR16EA32T-I/RXB

Microchip Technology

8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

4,974In Stock

Cut Tape

$1.02

Reel

$1.02

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

SMD/SMT

VQFN-32

16 kB

8 bit/16 bit

12 bit

20 MHz

28 I/O

2 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR16EA32T-E/RXB
Microchip Technology
1: $1.13
4,913In Stock

Mfr. Part #
AVR16EA32T-E/RXB

Mouser Part #
579-AVR16EA32TERXB

Microchip Technology

8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

4,913In Stock

Cut Tape

$1.13

Reel

$1.13

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

SMD/SMT

VQFN-32

AVR

16 kB

8 bit

12 bit

20 MHz

24 I/O

2 kB

1.8 V

5.5 V

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,28p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX

AVR16EB28T-I/SS
Microchip Technology
1: $1.03
2,088In Stock

Mfr. Part #
AVR16EB28T-I/SS

Mouser Part #
579-AVR16EB28TISS

Microchip Technology

8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,28p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX

Learn More

Datasheet

2,088In Stock

Cut Tape

$1.03

Reel

$1.03

MouseReel Available

Min.: 1
Mult.: 1

: 2,100

SMD/SMT

SSOP-28

AVR

16 kB

8 bit

12 bit

20 MHz

24 I/O

2 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,32p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX

AVR16EB32T-E/RXB
Microchip Technology
1: $1.14
4,979In Stock

Mfr. Part #
AVR16EB32T-E/RXB

Mouser Part #
579-AVR16EB32T-E/RXB

Microchip Technology

8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,32p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX

Learn More

Datasheet

4,979In Stock

Cut Tape

$1.14

Reel

$1.14

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

SMD/SMT

VQFN-32

AVR

16 kB

8 bit

12 bit

20 MHz

28 I/O

2 kB

1.8 V

5.5 V

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR32EA28T-E/STX
Microchip Technology
1: $1.09
3,300In Stock

Mfr. Part #
AVR32EA28T-E/STX

Mouser Part #
579-AVR32EA28T-E/STX

Microchip Technology

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

3,300In Stock

Cut Tape

$1.09

Reel

$1.09

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

SMD/SMT

VQN-28

AVR

32 kB

8 bit

12 bit

20 MHz

4 kB

1.8 V

5.5 V

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR32EA28T-I/STX
Microchip Technology
1: $0.99
3,300In Stock

Mfr. Part #
AVR32EA28T-I/STX

Mouser Part #
579-AVR32EA28T-I/STX

Microchip Technology

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

3,300In Stock

Cut Tape

$0.99

Reel

$0.99

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

SMD/SMT

VQFN-28

AVR

32 kB

8 bit

12 bit

20 MHz

4 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR32EA32T-I/PT
Microchip Technology
1: $1.18
1,345In Stock

Mfr. Part #
AVR32EA32T-I/PT

Mouser Part #
579-AVR32EA32T-I/PT

Microchip Technology

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

1,345In Stock

Cut Tape

$1.18

Reel

$1.18

MouseReel Available

Min.: 1
Mult.: 1

: 1,600

SMD/SMT

TQFP-32

AVR

32 kB

8 bit

12 bit

20 MHz

27 I/O

4 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 48p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR32EA48T-E/6LX
Microchip Technology
1: $1.53
3,285In Stock

Mfr. Part #
AVR32EA48T-E/6LX

Mouser Part #
579-AVR32EA48T-E/6LX

Microchip Technology

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 48p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

3,285In Stock

Cut Tape

$1.53

Reel

$1.53

Min.: 1
Mult.: 1

: 3,300

SMD/SMT

VQFN-48

AVR

32 kB

8 bit/16 bit

12 bit

20 MHz

42 I/O

4 kB

1.8 V

5.5 V

- 40 C

+ 125 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 48p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR32EA48T-E/PT
Microchip Technology
1: $1.54
1,502In Stock

Mfr. Part #
AVR32EA48T-E/PT

Mouser Part #
579-AVR32EA48T-E/PT

Microchip Technology

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 48p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

1,502In Stock

Cut Tape

$1.54

Reel

$1.54

Min.: 1
Mult.: 1

: 1,600

SMD/SMT

TQFP-48

AVR

32 kB

8 bit/16 bit

12 bit

20 MHz

42 I/O

4 kB

1.8 V

5.5 V

- 40 C

+ 125 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 64KB, RWW, 6KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR64EA28T-E/SS
Microchip Technology
1: $1.30
2,071In Stock

Mfr. Part #
AVR64EA28T-E/SS

Mouser Part #
579-AVR64EA28T-E/SS

Microchip Technology

8-bit Microcontrollers - MCU 64KB, RWW, 6KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

2,071In Stock

Cut Tape

$1.30

Reel

$1.30

Min.: 1
Mult.: 1

: 2,100

SMD/SMT

SSOP-28

AVR

64 kB

8 bit/16 bit

12 bit

20 MHz

24 I/O

6 kB

1.8 V

5.5 V

- 40 C

+ 125 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 64KB, RWW, 6KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR64EA32T-E/RXB
Microchip Technology
1: $1.42
4,980In Stock

Mfr. Part #
AVR64EA32T-E/RXB

Mouser Part #
579-AVR64EA32T-E/RXB

Microchip Technology

8-bit Microcontrollers - MCU 64KB, RWW, 6KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

4,980In Stock

Cut Tape

$1.42

Reel

$1.42

Min.: 1
Mult.: 1

: 5,000

SMD/SMT

VQFN-32

AVR

64 kB

8 bit/16 bit

12 bit

20 MHz

28 I/O

6 kB

1.8 V

5.5 V

- 40 C

+ 125 C

Reel, Cut Tape

8-bit Microcontrollers - MCU AVR 16K FLASH,ADC IND TEMP,5V

ATMEGA168-20AUR
Microchip Technology
1: $3.86
3,753In Stock
NRND

Mfr. Part #
ATMEGA168-20AUR

Mouser Part #
556-ATMEGA168-20AUR

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 16K FLASH,ADC IND TEMP,5V

Learn More

Datasheet

3,753In Stock

Cut Tape

$3.86

Reel

$3.86

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-32

AVR

16 kB

8 bit

10 bit

20 MHz

23 I/O

1 kB

2.7 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins

ATMEGA168-20PU
Microchip Technology
1: $4.03
650In Stock
NRND

Mfr. Part #
ATMEGA168-20PU

Mouser Part #
556-ATMEGA168-20PU

NRND

Microchip Technology

8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins

Learn More

Datasheet

650In Stock

$4.03

Min.: 1
Mult.: 1

Through Hole

PDIP-28

AVR

16 kB

8 bit

10 bit

20 MHz

23 I/O

1 kB

2.7 V

5.5 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU AVR,16KB FLASH,20MHZ IND TEMP,5V

ATMEGA168P-20AUR
Microchip Technology
1: $4.24
3,318In Stock
NRND

Mfr. Part #
ATMEGA168P-20AUR

Mouser Part #
556-ATMEGA168P-20AUR

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR,16KB FLASH,20MHZ IND TEMP,5V

Learn More

Datasheet

3,318In Stock

Cut Tape

$4.24

$4.14

$3.52

Reel

$3.52

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-32

AVR

16 kB

8 bit

10 bit

20 MHz

23 I/O

1 kB

2.7 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU AVR 32KB FLSH 1KB EE 2KB SRAM-20MHz, IND

ATMEGA324A-MU
Microchip Technology
1: $4.67
396In Stock
NRND

Mfr. Part #
ATMEGA324A-MU

Mouser Part #
556-ATMEGA324A-MU

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 32KB FLSH 1KB EE 2KB SRAM-20MHz, IND

Learn More

Datasheet

396In Stock

$4.67

$4.57

$4.55

$4.54

$3.79

Min.: 1
Mult.: 1

SMD/SMT

VQFN-44

AVR

32 kB

8 bit

10 bit

20 MHz

32 I/O

2 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V

ATMEGA328P-AU
Microchip Technology
1: $2.66
9,497In Stock
NRND

Mfr. Part #
ATMEGA328P-AU

Mouser Part #
556-ATMEGA328P-AU

NRND

Microchip Technology

8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V

Learn More

Datasheet

9,497In Stock

$2.66

$2.44

$2.20

Min.: 1
Mult.: 1

SMD/SMT

TQFP-32

AVR

32 kB

8 bit

10 bit

20 MHz

23 I/O

2 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE-20MHz IND

ATMEGA328P-AUR
Microchip Technology
1: $2.74
23,885In Stock
16,000Expected 8/31/2026
NRND

Mfr. Part #
ATMEGA328P-AUR

Mouser Part #
556-ATMEGA328P-AUR

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE-20MHz IND

Learn More

Datasheet

23,885In Stock

16,000Expected 8/31/2026

Cut Tape

$2.74

$2.71

$2.62

$2.57

View

Reel

$2.30

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-32

AVR

32 kB

8 bit

10 bit

20 MHz

23 I/O

2 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V

ATMEGA328P-PU
Microchip Technology
1: $2.89
9,099In Stock
NRND

Mfr. Part #
ATMEGA328P-PU

Mouser Part #
556-ATMEGA328P-PU

NRND

Microchip Technology

8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V

Learn More

Datasheet

Product Comments

9,099In Stock

$2.89

$2.65

$2.39

Min.: 1
Mult.: 1

Through Hole

PDIP-28

AVR

32 kB

8 bit

10 bit

20 MHz

23 I/O

2 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-20MHz

ATMEGA88A-PU
Microchip Technology
1: $2.54
1,707In Stock
NRND

Mfr. Part #
ATMEGA88A-PU

Mouser Part #
556-ATMEGA88A-PU

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-20MHz

Learn More

Datasheet

1,707In Stock

$2.54

$2.33

$2.11

Min.: 1
Mult.: 1

Through Hole

PDIP-28

AVR

8 kB

8 bit

10 bit

20 MHz

23 I/O

1 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU AVR 4KB FLASH, 256B SRAM 256B EE - 20MHz

ATTINY4313-MUR
Microchip Technology
1: $1.03
3,378In Stock
NRND

Mfr. Part #
ATTINY4313-MUR

Mouser Part #
556-ATTINY4313-MUR

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 4KB FLASH, 256B SRAM 256B EE - 20MHz

Datasheet

3,378In Stock

Cut Tape

$1.03

$0.995

$0.932

$0.931

$0.921

Reel

$0.85

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

SMD/SMT

MLF-20

AVR

4 kB

8 bit

No ADC

20 MHz

18 I/O

256 B

1.8 V

5.5 V

- 40 C

+ 105 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU AVR 4KB FL 256B SRAM 256B 20MHz 1.8-5.5V

ATTINY4313-SU
Microchip Technology
1: $1.25
7,428In Stock
NRND

Mfr. Part #
ATTINY4313-SU

Mouser Part #
556-ATTINY4313-SU

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 4KB FL 256B SRAM 256B 20MHz 1.8-5.5V

Datasheet

7,428In Stock

$1.25

Min.: 1
Mult.: 1

SMD/SMT

SOIC-20

AVR

4 kB

8 bit

No ADC

20 MHz

18 I/O

256 B

1.8 V

5.5 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU AVR 4KB FLASH, 256B SRAM 256B EE - 20MHz

ATTINY4313-SUR
Microchip Technology
1: $1.33
1,575In Stock
NRND

Mfr. Part #
ATTINY4313-SUR

Mouser Part #
556-ATTINY4313-SUR

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 4KB FLASH, 256B SRAM 256B EE - 20MHz

Datasheet

1,575In Stock

Cut Tape

$1.33

Reel

$1.33

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

SMD/SMT

SOIC-20

AVR

4 kB

8 bit

No ADC

20 MHz

18 I/O

256 B

1.8 V

5.5 V

- 40 C

+ 105 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 4KB FL 256B EE 256B SRAM 20MHz Hi +125C

ATTINY44A-SSFR
Microchip Technology
1: $1.03
2,452In Stock
NRND

Mfr. Part #
ATTINY44A-SSFR

Mouser Part #
556-ATTINY44A-SSFR

NRND

Microchip Technology

8-bit Microcontrollers - MCU 4KB FL 256B EE 256B SRAM 20MHz Hi +125C

Learn More

Datasheet

2,452In Stock

Cut Tape

$1.03

$0.995

Reel

$0.85

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

SOIC-14

AVR

4 kB

8 bit

20 MHz

256 B

1.8 V

5.5 V

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins

ATTINY45-20SU
Microchip Technology
1: $1.37
4,977In Stock
NRND

Mfr. Part #
ATTINY45-20SU

Mouser Part #
556-ATTINY45-20SU

NRND

Microchip Technology

8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins

Learn More

Datasheet

4,977In Stock

$1.37

$1.26

$1.13

Min.: 1
Mult.: 1

SMD/SMT

SOIC-8

AVR

4 kB

8 bit

10 bit

20 MHz

6 I/O

256 B

2.7 V

5.5 V

- 40 C

+ 85 C

Tube

20 MHz Microcontrollers - MCU

Types of Microcontrollers - MCU

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Resources

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BGA-176
DFN-16
DFN-8
DIP-28
DIP-8
LFCSP-48
LFCSP-56
LGA-100
LQFP-100
LQFP-128
LQFP-144
LQFP-32
LQFP-44
LQFP-48
LQFP-52
LQFP-64
LQFP-80
LSSOP-10
LSSOP-20
MLF-10

8051
8052
4T 8051
78K0
78K0R
ARM7TDMI
ARM Cortex M0
ARM Cortex M0+
ARM Cortex M3
ARM Cortex M4
ARM Cortex M4, ARM Cortex M7
AVR
eZ8
eZ80
H8S/2000
M16C/60
MSP430
PIC12
PIC14000
PIC16

512 B
768 B
896 B
1 kB
1.5 kB
1.75 kB
2 kB
3 kB
3.5 kB
4 kB
7 kB
7.2 kB
8 kB
10 kB
12 kB
14 kB
14.3 kB
16 kB
24 kB
28 kB

4 I/O
5 I/O
6 I/O
8 I/O
10 I/O
11 I/O
12 I/O
13 I/O
14 I/O
15 I/O
16 I/O
17 I/O
18 I/O
19 I/O
20 I/O
21 I/O
22 I/O
23 I/O
24 I/O
25 I/O

25 B
36 B
64 B
67 B
68 B
72 B
73 B
80 B
96 B
128 B
134 B
160 B
176 B
192 B
224 B
256 B
336 B
352 B
363 B
368 B

1.62 V
1.65 V
1.7 V
1.72 V
1.8 V
2 V
2.2 V
2.3 V
2.4 V
2.5 V
2.7 V
3 V
3.3 V
3.5 V
3.65 V
4 V
4.2 V
4.5 V
4.75 V
5.5 V