|
|
ARM Microcontrollers - MCU 64k Flash, 16k RAM, 4x40 LCD, AES
- EFM32G880F64G-E-QFP100R
- Silicon Labs
-
1:
$14.01
-
1,469In Stock
|
Mouser Part #
634-32G880F64EFP100R
|
Silicon Labs
|
ARM Microcontrollers - MCU 64k Flash, 16k RAM, 4x40 LCD, AES
|
|
1,469In Stock
|
|
|
$14.01
|
|
|
$10.51
|
|
|
$10.02
|
|
|
$8.69
|
|
|
View
|
|
|
$6.60
|
|
|
$8.31
|
|
|
$7.58
|
|
|
$6.60
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
LQFP-100
|
ARM Cortex M3
|
64 kB
|
32 bit
|
12 bit
|
32 MHz
|
86 I/O
|
16 kB
|
1.98 V
|
3.8 V
|
- 40 C
|
+ 85 C
|
|
Reel, Cut Tape
|
|
|
|
ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES
- EFM32GG332F512G-E-QFP64
- Silicon Labs
-
1:
$23.87
-
278In Stock
|
Mouser Part #
634-32GG332F512-E
|
Silicon Labs
|
ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES
|
|
278In Stock
|
|
|
$23.87
|
|
|
$18.13
|
|
|
$17.39
|
|
|
$15.34
|
|
|
View
|
|
|
$14.56
|
|
|
$11.64
|
|
|
$11.62
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
TQFP-64
|
ARM Cortex M3
|
512 kB
|
32 bit
|
12 bit
|
48 MHz
|
50 I/O
|
128 kB
|
1.98 V
|
3.8 V
|
- 40 C
|
+ 85 C
|
|
Tray
|
|
|
|
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, 8x16 LCD, AES
- EFM32GG942F1024G-E-QFP64
- Silicon Labs
-
1:
$25.54
-
341In Stock
|
Mouser Part #
634-32GG942F1024-E
|
Silicon Labs
|
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, 8x16 LCD, AES
|
|
341In Stock
|
|
|
$25.54
|
|
|
$21.05
|
|
|
$19.83
|
|
|
$17.64
|
|
|
View
|
|
|
$16.99
|
|
|
$15.84
|
|
|
$15.83
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
TQFP-64
|
ARM Cortex M3
|
1.02 MB
|
32 bit
|
12 bit
|
48 MHz
|
50 I/O
|
128 kB
|
1.98 V
|
3.8 V
|
- 40 C
|
+ 85 C
|
|
Tray
|
|
|
|
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
- C8051F502-IM
- Silicon Labs
-
1:
$15.71
-
784In Stock
|
Mouser Part #
634-C8051F502-IM
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
|
|
784In Stock
|
|
|
$15.71
|
|
|
$13.01
|
|
|
$11.25
|
|
|
$10.80
|
|
|
View
|
|
|
$10.40
|
|
|
$10.13
|
|
|
$9.85
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
QFN-32
|
8051
|
64 kB
|
8 bit
|
12 bit
|
50 MHz
|
25 I/O
|
4.25 kB
|
1.8 V
|
5.25 V
|
- 40 C
|
+ 125 C
|
AEC-Q100
|
Tube
|
|
|
|
8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20
- C8051F850-C-GMR
- Silicon Labs
-
1:
$3.68
-
809In Stock
|
Mouser Part #
634-C8051F850-C-GMR
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20
|
|
809In Stock
|
|
|
$3.68
|
|
|
$3.05
|
|
|
$2.85
|
|
|
$2.56
|
|
|
$2.09
|
|
|
View
|
|
|
$2.39
|
|
|
$2.29
|
|
|
$2.09
|
|
|
$2.00
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
QFN-20
|
8051
|
8 kB
|
8 bit
|
12 bit
|
25 MHz
|
16 I/O
|
512 B
|
2.2 V
|
3.6 V
|
- 40 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
- EFM8BB31F32I-D-4QFN24R
- Silicon Labs
-
1:
$5.09
-
4,770In Stock
|
Mouser Part #
634-EF8BB31F32ID424R
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
|
|
4,770In Stock
|
|
|
$5.09
|
|
|
$3.36
|
|
|
$3.10
|
|
|
$2.70
|
|
|
$1.85
|
|
|
View
|
|
|
$2.53
|
|
|
$2.21
|
|
|
$1.85
|
|
|
$1.69
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
QFN-24
|
CIP-51 8051
|
32 kB
|
8 bit
|
10 bit, 12 bit
|
50 MHz
|
20 I/O
|
2.3 kB
|
2.2 V
|
3.6 V
|
- 40 C
|
+ 125 C
|
|
Reel, Cut Tape
|
|
|
|
ARM Microcontrollers - MCU ARM Cortex -M0+ Zero Gecko Microcontroller IC 32-Bit 24MHz 32KB Flash QFN32
- EFM32ZG210F32-B-QFN32R
- Silicon Labs
-
1:
$8.69
-
2,590In Stock
|
Mouser Part #
634-EFM32ZG21032B32R
|
Silicon Labs
|
ARM Microcontrollers - MCU ARM Cortex -M0+ Zero Gecko Microcontroller IC 32-Bit 24MHz 32KB Flash QFN32
|
|
2,590In Stock
|
|
|
$8.69
|
|
|
$5.98
|
|
|
$5.57
|
|
|
$4.90
|
|
|
View
|
|
|
$3.32
|
|
|
$4.65
|
|
|
$4.18
|
|
|
$3.42
|
|
|
$3.32
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
QFN-32
|
ARM Cortex M0+
|
32 kB
|
32 bit
|
12 bit
|
24 MHz
|
24 I/O
|
4 kB
|
1.98 V
|
3.8 V
|
- 40 C
|
+ 85 C
|
|
Reel, Cut Tape
|
|
|
|
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
- EFM8LB11F32E-C-QFN24
- Silicon Labs
-
1:
$5.86
-
813In Stock
|
Mouser Part #
634-LB11F32ECQFN24
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
|
|
813In Stock
|
|
|
$5.86
|
|
|
$3.97
|
|
|
$3.68
|
|
|
$3.19
|
|
|
View
|
|
|
$2.99
|
|
|
$2.62
|
|
|
$2.03
|
|
|
$2.00
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
QFN-24
|
CIP-51 8051
|
32 kB
|
8 bit
|
10 bit/12 bit/14 bit
|
72 MHz
|
20 I/O
|
2.25 kB
|
2.2 V
|
3.6 V
|
- 40 C
|
+ 105 C
|
|
Tube
|
|
|
|
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES
- EFM32GG332F1024G-E-QFP64
- Silicon Labs
-
1:
$28.03
-
294In Stock
|
Mouser Part #
634-32GG332F1024-E
|
Silicon Labs
|
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES
|
|
294In Stock
|
|
|
$28.03
|
|
|
$22.66
|
|
|
$21.72
|
|
|
$19.14
|
|
|
View
|
|
|
$18.19
|
|
|
$17.02
|
|
|
$15.77
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
TQFP-64
|
ARM Cortex M3
|
1.02 MB
|
32 bit
|
12 bit
|
48 MHz
|
50 I/O
|
128 kB
|
1.98 V
|
3.8 V
|
- 40 C
|
+ 85 C
|
|
Tray
|
|
|
|
8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN32
- C8051F502-IMR
- Silicon Labs
-
1:
$20.18
-
901In Stock
|
Mouser Part #
634-C8051F502-IMR
|
Silicon Labs
|
8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN32
|
|
901In Stock
|
|
|
$20.18
|
|
|
$16.39
|
|
|
$15.63
|
|
|
$13.57
|
|
|
View
|
|
|
$10.29
|
|
|
$12.96
|
|
|
$11.82
|
|
|
$10.29
|
|
|
$10.29
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
|
8051
|
|
8 bit
|
|
|
|
|
1.8 V
|
5.25 V
|
|
|
|
Reel, Cut Tape
|
|
|
|
ARM Microcontrollers - MCU Tiny Gecko MCU IC
- EFM32TG110F32-D-QFN24R
- Silicon Labs
-
Restricted Availability
|
Mouser Part #
634-EFM32TG110F32-DR
|
Silicon Labs
|
ARM Microcontrollers - MCU Tiny Gecko MCU IC
|
|
|
|
|
|
SMD/SMT
|
QFN-24
|
ARM Cortex M3
|
32 kB
|
32 bit
|
12 bit
|
32 MHz
|
17 I/O
|
4 kB
|
1.98 V
|
3.8 V
|
- 40 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
8-bit Microcontrollers - MCU 8KB,24ADC,32Pin MCU
- C8051F350-GQR
- Silicon Labs
-
1:
$23.38
-
465In Stock
-
End of Life
|
Mouser Part #
634-C8051F350-GQR
End of Life
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8KB,24ADC,32Pin MCU
|
|
465In Stock
|
|
|
$23.38
|
|
|
$19.79
|
|
|
$18.19
|
|
|
$16.97
|
|
|
$15.77
|
|
|
View
|
|
|
$16.23
|
|
|
$15.75
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
LQFP-32
|
8051
|
8 kB
|
8 bit
|
24 bit
|
50 MHz
|
17 I/O
|
768 B
|
2.7 V
|
3.6 V
|
- 40 C
|
+ 85 C
|
|
Reel, Cut Tape
|
|
|
|
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 1024 kB LCD MCU
- EFM32GG12B510F1024GQ64-A
- Silicon Labs
-
1:
$11.21
-
630In Stock
|
Mouser Part #
634-2B510F1024GQ64A
|
Silicon Labs
|
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 1024 kB LCD MCU
|
|
630In Stock
|
|
|
$11.21
|
|
|
$10.13
|
|
|
$10.11
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
QFP-64
|
ARM Cortex M4
|
1.02 MB
|
32 bit
|
2 x 12 bit
|
72 MHz
|
51 I/O
|
192 kB
|
1.8 V
|
3.8 V
|
- 40 C
|
+ 85 C
|
|
Tray
|
|
|
|
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES
- EFM32GG232F1024G-E-QFP64
- Silicon Labs
-
1:
$26.03
-
694In Stock
|
Mouser Part #
634-32GG232F1024-E
|
Silicon Labs
|
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES
|
|
694In Stock
|
|
|
$26.03
|
|
|
$18.67
|
|
|
$16.97
|
|
|
$14.81
|
|
|
View
|
|
|
$14.58
|
|
|
$14.30
|
|
|
$13.69
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
TQFP-64
|
ARM Cortex M3
|
1.02 MB
|
32 bit
|
12 bit
|
48 MHz
|
53 I/O
|
128 kB
|
1.98 V
|
3.8 V
|
- 40 C
|
+ 85 C
|
|
Tray
|
|
|
|
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, 8x18 LCD, AES
- EFM32GG940F1024G-E-QFN64
- Silicon Labs
-
1:
$22.88
-
433In Stock
|
Mouser Part #
634-32GG940F1024-E
|
Silicon Labs
|
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, 8x18 LCD, AES
|
|
433In Stock
|
|
|
$22.88
|
|
|
$20.05
|
|
|
$18.24
|
|
|
$17.42
|
|
|
View
|
|
|
$17.11
|
|
|
$15.20
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
QFN-64
|
ARM Cortex M3
|
1.02 MB
|
32 bit
|
12 bit
|
48 MHz
|
52 I/O
|
128 kB
|
1.98 V
|
3.8 V
|
- 40 C
|
+ 85 C
|
|
Tray
|
|
|
|
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU
- EFM32GG11B820F2048GL120-B
- Silicon Labs
-
1:
$27.79
-
513In Stock
|
Mouser Part #
634-B820F2048GL120-B
|
Silicon Labs
|
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU
|
|
513In Stock
|
|
|
$27.79
|
|
|
$23.09
|
|
|
$21.61
|
|
|
$19.86
|
|
|
View
|
|
|
$18.94
|
|
|
$18.39
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
BGA-120
|
ARM Cortex M4
|
2.05 MB
|
32 bit
|
12 bit
|
72 MHz
|
95 I/O
|
512 kB
|
1.8 V
|
3.8 V
|
- 40 C
|
+ 85 C
|
|
Tray
|
|
|
|
ARM Microcontrollers - MCU Tiny Gecko MCU IC
- EFM32TG210F32-D-QFN32R
- Silicon Labs
-
Restricted Availability
|
Mouser Part #
634-EFM32TG210F32-DR
|
Silicon Labs
|
ARM Microcontrollers - MCU Tiny Gecko MCU IC
|
|
|
|
|
|
SMD/SMT
|
QFN-32
|
ARM Cortex M3
|
32 kB
|
32 bit
|
12 bit
|
32 MHz
|
24 I/O
|
4 kB
|
1.98 V
|
3.8 V
|
- 40 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
ARM Microcontrollers - MCU Tiny Gecko MCU IC
- EFM32TG225F32-D-BGA48R
- Silicon Labs
-
Restricted Availability
|
Mouser Part #
634-EFM32TG225F32-DR
|
Silicon Labs
|
ARM Microcontrollers - MCU Tiny Gecko MCU IC
|
|
|
|
|
|
SMD/SMT
|
BGA-48
|
ARM Cortex M3
|
32 kB
|
32 bit
|
12 bit
|
32 MHz
|
37 I/O
|
4 kB
|
1.98 V
|
3.8 V
|
- 40 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
- EFM8UB20F32G-B-QFN32
- Silicon Labs
-
1:
$4.90
-
587In Stock
|
Mouser Part #
634-EFM8UBF32GBQFN32
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
|
|
587In Stock
|
|
|
$4.90
|
|
|
$4.41
|
|
|
$4.16
|
|
|
$3.61
|
|
|
View
|
|
|
$3.43
|
|
|
$3.08
|
|
|
$2.47
|
|
|
$2.36
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
QFN-32
|
CIP-51 8051
|
32 kB
|
8 bit
|
10 bit
|
48 MHz
|
25 I/O
|
2.25 kB
|
3.3 V
|
3.3 V
|
- 40 C
|
+ 85 C
|
|
Tube
|
|
|
|
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
- EFM8LB11F16E-C-QFN24
- Silicon Labs
-
1:
$5.09
-
2,260In Stock
|
Mouser Part #
634-LB11F16ECQFN24
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
|
|
2,260In Stock
|
|
|
$5.09
|
|
|
$3.36
|
|
|
$3.10
|
|
|
$2.70
|
|
|
View
|
|
|
$2.53
|
|
|
$2.21
|
|
|
$1.74
|
|
|
$1.69
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
QFN-24
|
CIP-51 8051
|
16 kB
|
8 bit
|
10 bit/12 bit/14 bit
|
72 MHz
|
20 I/O
|
1.25 kB
|
2.2 V
|
3.6 V
|
- 40 C
|
+ 105 C
|
|
Tube
|
|
|
|
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
- EFM8LB12F64E-C-QFP32R
- Silicon Labs
-
1:
$5.12
-
454In Stock
|
Mouser Part #
634-LB12F64ECQFP32R
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
|
|
454In Stock
|
|
|
$5.12
|
|
|
$4.27
|
|
|
$3.97
|
|
|
$3.57
|
|
|
$3.16
|
|
|
View
|
|
|
$3.46
|
|
|
$2.90
|
|
|
$2.87
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
QFP-32
|
CIP-51 8051
|
64 kB
|
8 bit
|
10 bit/12 bit/14 bit
|
72 MHz
|
28 I/O
|
4.25 kB
|
2.2 V
|
3.6 V
|
- 40 C
|
+ 105 C
|
|
Reel, Cut Tape
|
|
|
|
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 1024 kB MCU
- EFM32PG12B500F1024GL125-C
- Silicon Labs
-
1:
$15.25
-
1,294In Stock
|
Mouser Part #
634-PG12B500FGL125C
|
Silicon Labs
|
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 1024 kB MCU
|
|
1,294In Stock
|
|
|
$15.25
|
|
|
$12.64
|
|
|
$11.77
|
|
|
$10.72
|
|
|
View
|
|
|
$10.16
|
|
|
$9.82
|
|
|
$9.55
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
BGA-125
|
ARM Cortex M4
|
1.02 MB
|
32 bit
|
12 bit
|
40 MHz
|
65 I/O
|
256 kB
|
1.8 V
|
3.8 V
|
- 40 C
|
+ 85 C
|
|
Tray
|
|
|
|
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
- C8051F383-GQ
- Silicon Labs
-
1:
$8.46
-
900In Stock
-
End of Life
|
Mouser Part #
634-C8051F383-GQ
End of Life
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
|
|
900In Stock
|
|
|
$8.46
|
|
|
$7.03
|
|
|
$6.53
|
|
|
$5.89
|
|
|
View
|
|
|
$5.55
|
|
|
$5.35
|
|
|
$4.99
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
LQFP-32
|
8051
|
32 kB
|
8 bit
|
10 bit
|
48 MHz
|
25 I/O
|
2.25 kB
|
2.7 V
|
5.25 V
|
- 40 C
|
+ 85 C
|
|
Tray
|
|
|
|
8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFP48
- C8051F500-IQR
- Silicon Labs
-
1:
$17.19
-
710In Stock
-
500On Order
-
End of Life
|
Mouser Part #
634-C8051F500-IQR
End of Life
|
Silicon Labs
|
8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFP48
|
|
710In Stock
500On Order
|
|
|
$17.19
|
|
|
$14.23
|
|
|
$13.27
|
|
|
$12.09
|
|
|
$11.39
|
|
|
View
|
|
|
$11.82
|
|
|
$10.83
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
TQFP-48
|
8051
|
64 kB
|
8 bit
|
12 bit
|
50 MHz
|
40 I/O
|
4.25 kB
|
1.8 V
|
5.25 V
|
- 40 C
|
+ 125 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
- C8051F501-IQ
- Silicon Labs
-
1:
$16.44
-
1,829In Stock
-
End of Life
|
Mouser Part #
634-C8051F501-IQ
End of Life
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
|
|
1,829In Stock
|
|
|
$16.44
|
|
|
$13.54
|
|
|
$12.69
|
|
|
$11.47
|
|
|
View
|
|
|
$11.00
|
|
|
$10.69
|
|
|
$10.34
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
SMD/SMT
|
QFP-48
|
8051
|
64 kB
|
8 bit
|
12 bit
|
50 MHz
|
40 I/O
|
4.25 kB
|
1.8 V
|
5.25 V
|
- 40 C
|
+ 125 C
|
AEC-Q100
|
Tray
|
|
Canada
