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256 kB ARM Microcontrollers - MCU

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Program Memory Size = 256 kB

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Part #

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

STM32L431CCT6
STMicroelectronics
1: $6.62
52In Stock
9,000On Order

Mfr. Part #
STM32L431CCT6

Mouser Part #
511-STM32L431CCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

Learn More

Datasheet

52In Stock

9,000On Order

$6.62

$4.70

$4.38

$3.70

View

Min.: 1
Mult.: 1

STM32L431CC

SMD/SMT

LQFP-48

ARM Cortex M4

256 kB

32 bit

12 bit

80 MHz

38 I/O

64 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

STM32L431CCT6TR
STMicroelectronics
1: $5.84
52In Stock
4,800On Order

Mfr. Part #
STM32L431CCT6TR

Mouser Part #
511-STM32L431CCT6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

Learn More

Datasheet

52In Stock

4,800On Order

Cut Tape

$5.84

$4.45

$3.89

$3.72

View

Reel

$2.74

MouseReel Available

Min.: 1
Mult.: 1

: 2,400

STM32L431CC

SMD/SMT

LQFP-48

ARM Cortex M4

256 kB

32 bit

12 bit

80 MHz

38 I/O

64 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

STM32L431CCU6
STMicroelectronics
1: $6.40
54In Stock
6,240On Order

Mfr. Part #
STM32L431CCU6

Mouser Part #
511-STM32L431CCU6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

Learn More

Datasheet

54In Stock

6,240On Order

$6.40

$4.22

$3.81

$3.49

View

Min.: 1
Mult.: 1

STM32L431CC

SMD/SMT

UFQFPN-48

ARM Cortex M4

256 kB

32 bit

12 bit

80 MHz

38 I/O

64 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

STM32L431KCU6
STMicroelectronics
1: $5.46
5,880On Order

Mfr. Part #
STM32L431KCU6

Mouser Part #
511-STM32L431KCU6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

Learn More

Datasheet

5,880On Order

$5.46

$4.15

$3.62

$3.46

View

Min.: 1
Mult.: 1

STM32L431KC

SMD/SMT

UFQFPN-32

ARM Cortex M4

256 kB

32 bit

12 bit

80 MHz

26 I/O

64 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

STM32L431VCI6
STMicroelectronics
1: $6.70
26In Stock
2,496Expected 8/16/2027

Mfr. Part #
STM32L431VCI6

Mouser Part #
511-STM32L431VCI6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

Learn More

Datasheet

26In Stock

2,496Expected 8/16/2027

$6.70

$5.13

$4.51

$4.31

View

Min.: 1
Mult.: 1

STM32L431VC

SMD/SMT

UFBGA-100

ARM Cortex M4

256 kB

32 bit

12 bit

80 MHz

83 I/O

64 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , USB

STM32L432KCU3
STMicroelectronics
1: $6.35
43In Stock
11,760On Order

Mfr. Part #
STM32L432KCU3

Mouser Part #
511-STM32L432KCU3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , USB

Learn More

Datasheet

43In Stock

11,760On Order

$6.35

$4.85

$4.38

$4.12

View

Min.: 1
Mult.: 1

STM32L432KC

SMD/SMT

UFQFPN-32

ARM Cortex M4

256 kB

32 bit

12 bit

80 MHz

26 I/O

64 kB

1.71 V

3.6 V

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433RCT3
STMicroelectronics
1: $7.46
140In Stock
1,920On Order

Mfr. Part #
STM32L433RCT3

Mouser Part #
511-STM32L433RCT3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

140In Stock

1,920On Order

$7.46

$5.74

$5.05

$4.84

View

Min.: 1
Mult.: 1

STM32L433RC

SMD/SMT

LQFP-64

ARM Cortex M4

256 kB

32 bit

12 bit

80 MHz

52 I/O

64 kB

1.71 V

3.6 V

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433RCT6
STMicroelectronics
1: $6.97
43In Stock
1,920On Order

Mfr. Part #
STM32L433RCT6

Mouser Part #
511-STM32L433RCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

43In Stock

1,920On Order

$6.97

$5.34

$4.80

$4.38

View

Min.: 1
Mult.: 1

STM32L433RC

SMD/SMT

LQFP-64

ARM Cortex M4

256 kB

32 bit

12 bit

80 MHz

52 I/O

64 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433RCT6P
STMicroelectronics
1: $7.79
5In Stock
1,920On Order

Mfr. Part #
STM32L433RCT6P

Mouser Part #
511-STM32L433RCT6P

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

5In Stock

1,920On Order

$7.79

$5.42

$4.93

$4.48

View

Min.: 1
Mult.: 1

STM32L433RC

SMD/SMT

LQFP-64

ARM Cortex M4

256 kB

32 bit

12 bit

80 MHz

52 I/O

64 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433RCT6TR
STMicroelectronics
1: $6.58
324In Stock
1,000On Order

Mfr. Part #
STM32L433RCT6TR

Mouser Part #
511-STM32L433RCT6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

324In Stock

1,000On Order

Cut Tape

$6.58

$5.04

$4.42

$4.23

Reel

$3.46

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

STM32L433RC

SMD/SMT

LQFP-64

ARM Cortex M4

256 kB

32 bit

12 bit

80 MHz

52 I/O

64 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash USB, AES-256, D

STM32L442KCU6
STMicroelectronics
1: $6.37
246In Stock

Mfr. Part #
STM32L442KCU6

Mouser Part #
511-STM32L442KCU6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash USB, AES-256, D

Learn More

Datasheet

246In Stock

$6.37

$4.82

$4.29

$4.07

View

Min.: 1
Mult.: 1

STM32L442KC

SMD/SMT

QFN-32

ARM Cortex M4

256 kB

32 bit

12 bit

80 MHz

26 I/O

64 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS

STM32L452RCT6
STMicroelectronics
1: $7.92
40In Stock
960On Order

Mfr. Part #
STM32L452RCT6

Mouser Part #
511-STM32L452RCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS

Learn More

Datasheet

40In Stock

960On Order

$7.92

$5.54

$5.28

$4.59

View

Min.: 1
Mult.: 1

STM32L452RC

SMD/SMT

LQFP-64

ARM Cortex M4

256 kB

32 bit

12 bit

80 MHz

52 I/O

160 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS

STM32L452VCI6
STMicroelectronics
1: $8.16
48In Stock
2,496On Order

Mfr. Part #
STM32L452VCI6

Mouser Part #
511-STM32L452VCI6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS

Learn More

Datasheet

48In Stock

2,496On Order

$8.16

$6.21

$5.53

$5.19

View

Min.: 1
Mult.: 1

STM32L452VC

SMD/SMT

UFBGA-100

ARM Cortex M4

256 kB

32 bit

12 bit

80 MHz

83 I/O

160 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB OTG, D

STM32L476RCT6
STMicroelectronics
1: $9.24
34In Stock
1,920On Order

Mfr. Part #
STM32L476RCT6

Mouser Part #
511-STM32L476RCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB OTG, D

Learn More

Datasheet

34In Stock

1,920On Order

$9.24

$6.46

$6.16

$5.30

View

Min.: 1
Mult.: 1

STM32L476RC

SMD/SMT

LQFP-64

ARM Cortex M4

256 kB

32 bit

3 x 12 bit

80 MHz

51 I/O

128 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB OTG, D

STM32L476RCT6TR
STMicroelectronics
1: $9.24
34In Stock
1,000On Order

Mfr. Part #
STM32L476RCT6TR

Mouser Part #
511-STM32L476RCT6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB OTG, D

Learn More

Datasheet

34In Stock

1,000On Order

Cut Tape

$9.24

$6.46

$6.16

$5.35

View

Reel

$4.73

Min.: 1
Mult.: 1

: 1,000

STM32L476RC

SMD/SMT

LQFP-64

ARM Cortex M4

256 kB

32 bit

12 bit

80 MHz

51 I/O

128 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU

STM32U073CCU6
STMicroelectronics
1: $4.08
5In Stock
4,680On Order

Mfr. Part #
STM32U073CCU6

Mouser Part #
511-STM32U073CCU6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU

Learn More

Datasheet

5In Stock

4,680On Order

$4.08

$3.06

$2.81

$2.25

View

Min.: 1
Mult.: 1

STM32U0

ARM Cortex M0

256 kB

48 MHz

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU

STM32U073RCI6
STMicroelectronics
1: $4.13
15In Stock
2,940On Order

Mfr. Part #
STM32U073RCI6

Mouser Part #
511-STM32U073RCI6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU

Learn More

Datasheet

15In Stock

2,940On Order

$4.13

$3.10

$2.44

$2.35

$2.29

Min.: 1
Mult.: 1

STM32U0

ARM Cortex M0

256 kB

48 MHz

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU

STM32U083RCI6
STMicroelectronics
1: $5.09
38In Stock
5,880On Order

Mfr. Part #
STM32U083RCI6

Mouser Part #
511-STM32U083RCI6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU

Learn More

Datasheet

38In Stock

5,880On Order

$5.09

$3.23

$2.98

$2.59

View

Min.: 1
Mult.: 1

STM32U0

ARM Cortex M0

256 kB

48 MHz

Tray

ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ a.64 MHz 256 Kb Flash 32 Kb SRAM

STM32WL33CCV6A
STMicroelectronics
1: $6.13
37In Stock

Mfr. Part #
STM32WL33CCV6A

Mouser Part #
511-STM32WL33CCV6A

STMicroelectronics

ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ a.64 MHz 256 Kb Flash 32 Kb SRAM

Learn More

Datasheet

37In Stock

$6.13

$4.62

$4.46

$4.03

View

Min.: 1
Mult.: 1

SMD/SMT

VQFN-48

ARM Cortex M0+

256 kB

32 bit

12 bit

64 MHz

32 I/O

32 kB

1.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM

STM32WL33CCV7
STMicroelectronics
1: $6.71
22In Stock

Mfr. Part #
STM32WL33CCV7

Mouser Part #
511-STM32WL33CCV7

STMicroelectronics

ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM

Learn More

Datasheet

22In Stock

$6.71

$5.16

$4.77

$4.34

View

Min.: 1
Mult.: 1

STM32WL33

SMD/SMT

VFQFPN-48

ARM Cortex M0+

256 kB

32 bit

12 bit

64 MHz

32 I/O

32 KB

1.7 V

3.6 V

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU Sub-GHz Wireless Microcontrollers. Arm Cortex-M4 a.48 MHz 256 Kbytes of Flash 64

STM32WLE5JCI6TR
STMicroelectronics
1: $11.69
47In Stock
5,000Expected 2/12/2027

Mfr. Part #
STM32WLE5JCI6TR

Mouser Part #
511-STM32WLE5JCI6TR

STMicroelectronics

ARM Microcontrollers - MCU Sub-GHz Wireless Microcontrollers. Arm Cortex-M4 a.48 MHz 256 Kbytes of Flash 64

Learn More

Datasheet

47In Stock

5,000Expected 2/12/2027

Cut Tape

$11.69

$9.09

$8.67

$7.53

View

Reel

$6.45

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

STM32WL

SMD/SMT

UFBGA-73

ARM Cortex M4

256 kB

32 bit

12 bit

48 MHz

43 I/O

64 kB

1.8 V

3.6 V

- 40 C

+ 105 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU LQFP Green IND TEMP MRL B, T&R MRLC

AT91SAM7X256C-AUR
Microchip Technology
1: $12.59
10In Stock
2,000Expected 2/25/2027

Mfr. Part #
AT91SAM7X256C-AUR

Mouser Part #
556-AT91SAM7X256CAUR

Microchip Technology

ARM Microcontrollers - MCU LQFP Green IND TEMP MRL B, T&R MRLC

Learn More

Datasheet

10In Stock

2,000Expected 2/25/2027

Cut Tape

$12.59

Reel

$12.59

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

SAM7X/XC

SMD/SMT

LQFP-100

ARM7TDMI

256 kB

32 bit

10 bit

20 MHz

62 I/O

64 kB

1.65 V

1.95 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp

ATSAM3S4CA-AU
Microchip Technology
1: $6.93
20In Stock

Mfr. Part #
ATSAM3S4CA-AU

Mouser Part #
556-ATSAM3S4CA-AU

Microchip Technology

ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp

Learn More

Datasheet

20In Stock

$6.93

Min.: 1
Mult.: 1

SAM3S

SMD/SMT

QFP-100

ARM Cortex M3

256 kB

32 bit

12 bit

64 MHz

79 I/O

48 kB

1.62 V

1.9 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU LQFPGREENIND

ATSAM4S4CA-AU
Microchip Technology
1: $5.39
102In Stock
180Expected 10/21/2026

Mfr. Part #
ATSAM4S4CA-AU

Mouser Part #
556-ATSAM4S4CA-AU

Microchip Technology

ARM Microcontrollers - MCU LQFPGREENIND

Learn More

Datasheet

102In Stock

180Expected 10/21/2026

$5.39

Min.: 1
Mult.: 1

SAM4S

SMD/SMT

LQFP-100

ARM Cortex M4

256 kB

32 bit

12 bit

120 MHz

79 I/O

64 kB

1.08 V

1.32 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Cortx-M0+256KB FLASH

ATSAMD20E18A-AUT
Microchip Technology
1: $3.22
352In Stock
4,000Expected 10/19/2026

Mfr. Part #
ATSAMD20E18A-AUT

Mouser Part #
556-ATSAMD20E18A-AUT

Microchip Technology

ARM Microcontrollers - MCU Cortx-M0+256KB FLASH

Learn More

Datasheet

352In Stock

4,000Expected 10/19/2026

Cut Tape

$3.22

$3.11

$2.66

Reel

$2.66

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SAMD1/2x

SMD/SMT

TQFP-32

ARM Cortex M0

256 kB

32 bit

12 bit

48 MHz

26 I/O

32 kB

1.62 V

1.95 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

256 kB ARM Microcontrollers - MCU

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ADUCM3029
ADUCM310
ADUCM320
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ADUCM420
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AM263P2-Q1
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BGA-100
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ARM7TDMI
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ARM Cortex M0
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ARM Cortex-M4F, ARM Cortex R5F
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ARM Cortex R5F, C66x

2 x 10 bit
2 x 12 bit
2 x 16 bit
2 x 6 bit/8 bit/10 bit/12 bit
3 x 12 bit
4 x 12 bit
4 x 16 bit
4 x 6 bit/8 bit/10 bit/12 bit
5 x 12 bit
10 bit
10 bit, 12 bit
12 bit
12 bit, 14 bit
12 bit, 16 bit
12 bit, 3 x 16 bit
12 bit/16 bit/20 bit
14 bit
16 bit
16 bit, 24 bit
24 bit

32.768 kHz
16 MHz
20 MHz
24 MHz
25 MHz
26 MHz
30 MHz
32 MHz
36 MHz
40 MHz
48 MHz
50 MHz
55 MHz
56 MHz
60 MHz
64 MHz
67 MHz
72 MHz
75 MHz
76.8 MHz

10 I/O
14 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
26 I/O
27 I/O
28 I/O
29 I/O
30 I/O
32 I/O
33 I/O
34 I/O

64
2 kB
4 kB
8 kB
12 kB
16 kB
18 KB
20 kB
24 KB
24 kB
25 kB
32 KB
32 kB
36 kB
40 kB
48 kB
52 kB
58 kB
64 kB
66 kB

1.045 V
1.08 V
1.14 V
1.19 V
1.2 V
1.25 V
1.3 V
1.6 V
1.62 V
1.65 V
1.68 V
1.7 V
1.71 V
1.72 V
1.74 V
1.75 V
1.8 V
1.81 V
1.85 V
1.98 V

1.155 V
1.2 V
1.26 V
1.3 V
1.31 V
1.32 V
1.8 V
1.88 V
1.89 V
1.9 V
1.95 V
1.98 V
2 V
2.05 V
2.75 V
3 V
3.2 V
3.3 V
3.465 V
3.6 V