.hide-partial { max-height: none; } .show-more { display: none; }

25 MHz 16-bit Microcontrollers - MCU

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 973

Applied Filters:

Maximum Clock Frequency = 25 MHz

Manufacturer

Core

Program Memory Size

Data RAM Size

Package / Case

ADC Resolution

Number of I/Os

Supply Voltage - Min

Supply Voltage - Max

Mounting Style

Minimum Operating Temperature

Maximum Operating Temperature

Series

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.	Core	Program Memory Size	Data RAM Size	Package / Case	Maximum Clock Frequency	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Bus Width	Minimum Operating Temperature	Maximum Operating Temperature	Series	Qualification	Packaging
16-bit Microcontrollers - MCU S12DJ 16-bit MCU, HCS12 core, 256KB Flash, QFP 80 MC9S12DJ256MFUE NXP Semiconductors 1: S/305.37 409In Stock	Mfr. Part # MC9S12DJ256MFUE Mouser Part # 841-MC9S12DJ256MFUE	NXP Semiconductors	16-bit Microcontrollers - MCU S12DJ 16-bit MCU, HCS12 core, 256KB Flash, QFP 80	Datasheet	409In Stock	S/305.37 S/254.10 S/233.86 S/231.64 View Quote	Min.: 1 Mult.: 1	HCS12	256 kB	12 kB	PQFP-80	25 MHz	2 x 10 bit	59 I/O	2.35 V	2.75 V	SMD/SMT	16 bit	- 40 C	+ 125 C	S12D		Tray
16-bit Microcontrollers - MCU 25 MHz MCU with 96KB Flash 8KB SRAM 12 A A 595-MSP430F5326IZXH MSP430F5326IZXHR Texas Instruments 1: S/38.85 4,100In Stock	Mfr. Part # MSP430F5326IZXHR Mouser Part # 595-MSP430F5326IZXHR	Texas Instruments	16-bit Microcontrollers - MCU 25 MHz MCU with 96KB Flash 8KB SRAM 12 A A 595-MSP430F5326IZXH Learn More about Texas Instruments ti msp430f532x mixed signal mcus	Datasheet	4,100In Stock	Cut Tape S/38.85 S/30.05 S/28.65 S/24.87 View Reel S/19.15 S/23.74 S/21.68 S/20.51 S/19.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	MSP430	96 kB	8 kB	NFBGA-80	25 MHz	12 bit	63 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F5326		Reel, Cut Tape, MouseReel
16-bit Microcontrollers - MCU Mixed Signal MCU A 5 95-MSP430F5359IPZ A A 595-MSP430F5359IPZ MSP430F5359IPZR Texas Instruments 1: S/53.41 2,144In Stock	Mfr. Part # MSP430F5359IPZR Mouser Part # 595-MSP430F5359IPZR	Texas Instruments	16-bit Microcontrollers - MCU Mixed Signal MCU A 5 95-MSP430F5359IPZ A A 595-MSP430F5359IPZ Learn More about Texas Instruments ti msp430f5 msp430f6 mcus	Datasheet	2,144In Stock	Cut Tape S/53.41 S/45.04 S/40.95 S/39.16 View Reel S/36.82 S/38.81 S/37.84 S/36.82 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	MSP430	512 kB	66 kB	LQFP-100	25 MHz	12 bit	74 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F5359		Reel, Cut Tape, MouseReel
16-bit Microcontrollers - MCU 16B Ultra-Low-Pwr Mi crocontroller A 595 A 595-MSP430F5419AIPZR MSP430F5419AIPZ Texas Instruments 1: S/40.25 14,404In Stock	Mfr. Part # MSP430F5419AIPZ Mouser Part # 595-MSP430F5419AIPZ	Texas Instruments	16-bit Microcontrollers - MCU 16B Ultra-Low-Pwr Mi crocontroller A 595 A 595-MSP430F5419AIPZR Learn More about Texas Instruments ti msp430f541xa msp430f543xa mcus	Datasheet	14,404In Stock	S/40.25 S/29.23 S/26.90 S/26.86 View S/24.91 S/24.21 Quote	Min.: 1 Mult.: 1	MSP430	128 kB	16 kB	LQFP-100	25 MHz	12 bit	87 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F5419A		Tray
16-bit Microcontrollers - MCU 25 MHz MCU with 128K B Flash 8KB SRAM 1 A 595-MSP430F5528IZXH MSP430F5528IZXHR Texas Instruments 1: S/45.50 3,706In Stock	Mfr. Part # MSP430F5528IZXHR Mouser Part # 595-MSP430F5528IZXHR	Texas Instruments	16-bit Microcontrollers - MCU 25 MHz MCU with 128K B Flash 8KB SRAM 1 A 595-MSP430F5528IZXH Learn More about Texas Instruments timsp430f55285529	Datasheet	3,706In Stock	Cut Tape S/45.50 S/35.62 S/31.65 S/30.40 View Reel S/25.92 S/28.69 S/27.68 S/25.92 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	MSP430	128 kB	8 kB	NFBGA-80	25 MHz	12 bit	47 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F5528		Reel, Cut Tape, MouseReel
16-bit Microcontrollers - MCU Mixed Signal MCU MSP430F5359IPZ Texas Instruments 1: S/69.44 1,940In Stock	Mfr. Part # MSP430F5359IPZ Mouser Part # 595-MSP430F5359IPZ	Texas Instruments	16-bit Microcontrollers - MCU Mixed Signal MCU Learn More about Texas Instruments ti msp430f5 msp430f6 mcus	Datasheet	1,940In Stock	S/69.44 S/52.55 S/48.66 S/45.39 View S/43.32 S/42.35	Min.: 1 Mult.: 1	MSP430	512 kB	66 kB	LQFP-100	25 MHz	12 bit	74 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F5359		Tray
16-bit Microcontrollers - MCU MSP430F532x Mixed Si gnal MCU A 595-MSP4 A 595-MSP430F5324IRGCT MSP430F5324IRGCR Texas Instruments 1: S/29.27 7,423In Stock	Mfr. Part # MSP430F5324IRGCR Mouser Part # 595-MSP430F5324IRGCR	Texas Instruments	16-bit Microcontrollers - MCU MSP430F532x Mixed Si gnal MCU A 595-MSP4 A 595-MSP430F5324IRGCT Learn More about Texas Instruments ti msp430f532x mixed signal mcus	Datasheet	7,423In Stock	Cut Tape S/29.27 S/22.58 S/19.89 S/19.03 View Reel S/15.61 S/17.63 S/15.61 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000	MSP430	64 kB	6 kB	VQFN-64	25 MHz	12 bit	47 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F5324		Reel, Cut Tape, MouseReel
16-bit Microcontrollers - MCU S12A 16-bit MCU, HCS12 core, 256KB Flash, QFP 80 MC9S12A256CFUE NXP Semiconductors 1: S/228.49 418In Stock	Mfr. Part # MC9S12A256CFUE Mouser Part # 841-MC9S12A256CFUE	NXP Semiconductors	16-bit Microcontrollers - MCU S12A 16-bit MCU, HCS12 core, 256KB Flash, QFP 80	Datasheet	418In Stock	S/228.49 S/196.30 S/185.09 S/177.97 View S/172.55 Quote	Min.: 1 Mult.: 1	HCS12	256 kB	12 kB	QFP-80	25 MHz	10 bit	91 I/O			SMD/SMT	16 bit	- 40 C	+ 85 C	S12A		Tray
16-bit Microcontrollers - MCU S12A 16-bit MCU, HCS12 core, 256KB Flash, QFP 112 MC9S12A256CPVE NXP Semiconductors 1: S/216.07 518In Stock	Mfr. Part # MC9S12A256CPVE Mouser Part # 841-MC9S12A256CPVE	NXP Semiconductors	16-bit Microcontrollers - MCU S12A 16-bit MCU, HCS12 core, 256KB Flash, QFP 112	Datasheet	518In Stock	S/216.07 S/188.83 S/179.21 S/172.09 View Quote	Min.: 1 Mult.: 1	HCS12	256 kB	12 kB	LQFP-112	25 MHz	10 bit	91 I/O	2.5 V	2.5 V	SMD/SMT	16 bit	- 40 C	+ 85 C	S12A		Tray
16-bit Microcontrollers - MCU S12DG 16-bit MCU, HCS12 core, 256KB Flash, QFP 80 MC9S12DG256MFUE NXP Semiconductors 1: S/278.24 501In Stock	Mfr. Part # MC9S12DG256MFUE Mouser Part # 841-MC9S12DG256MFUE	NXP Semiconductors	16-bit Microcontrollers - MCU S12DG 16-bit MCU, HCS12 core, 256KB Flash, QFP 80	Datasheet	501In Stock	S/278.24 S/231.53 S/229.50 S/214.98 View Quote	Min.: 1 Mult.: 1	HCS12	256 kB	12 kB	PQFP-80	25 MHz	2 x 10 bit	59 I/O	2.35 V	2.75 V	SMD/SMT	16 bit	- 40 C	+ 125 C	S12D		Tray
16-bit Microcontrollers - MCU S12D 16-bit MCU, HCS12 core, 64KB Flash, QFP 112 MC9S12D64CPVE NXP Semiconductors 1: S/162.67 561In Stock	Mfr. Part # MC9S12D64CPVE Mouser Part # 841-MC9S12D64CPVE	NXP Semiconductors	16-bit Microcontrollers - MCU S12D 16-bit MCU, HCS12 core, 64KB Flash, QFP 112	Datasheet	561In Stock	S/162.67 S/134.72 S/128.72 S/124.60 View S/116.19 Quote	Min.: 1 Mult.: 1	HCS12	64 kB	4 kB	LQFP-112	25 MHz	2 x 10 bit	91 I/O	2.35 V	2.75 V	SMD/SMT	16 bit	- 40 C	+ 85 C	S12D		Tray
16-bit Microcontrollers - MCU 16-bit MCU, S12 core, 128KB Flash, 25MHz, -40/+105degC, Automotive Qualified, QFP 48 S9S12GA128F0VLF NXP Semiconductors 1: S/38.61 727In Stock	Mfr. Part # S9S12GA128F0VLF Mouser Part # 841-S9S12GA128F0VLF	NXP Semiconductors	16-bit Microcontrollers - MCU 16-bit MCU, S12 core, 128KB Flash, 25MHz, -40/+105degC, Automotive Qualified, QFP 48 Learn More about NXP Semiconductors nxp s12g automotive mcu	Datasheet	727In Stock	S/38.61 S/29.86 S/28.45 S/24.72 View S/23.63 S/21.53 S/19.85 Quote	Min.: 1 Mult.: 1	S12	128 kB	8 kB	LQFP-48	25 MHz	12 bit	40 I/O	3.15 V	5.5 V	SMD/SMT	16 bit	- 40 C	+ 105 C	S12G	AEC-Q100	Tray
16-bit Microcontrollers - MCU Ultra Lo Pwr MCU A 5 95-MSP430F5242IRGZR A 595-MSP430F5242IRGZR MSP430F5242IRGZT Texas Instruments 1: S/26.31 499In Stock	Mfr. Part # MSP430F5242IRGZT Mouser Part # 595-MSP430F5242IRGZT	Texas Instruments	16-bit Microcontrollers - MCU Ultra Lo Pwr MCU A 5 95-MSP430F5242IRGZR A 595-MSP430F5242IRGZR Learn More about Texas Instruments ti msp430 mcus	Datasheet	499In Stock	Cut Tape S/26.31 S/20.24 S/17.79 S/17.01 Reel S/16.19 View S/16.04 S/15.76 S/15.03 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	MSP430	64 kB	8 kB	VQFN-48	25 MHz	10 bit	37 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F5242		Reel, Cut Tape, MouseReel
16-bit Microcontrollers - MCU 25 MHz MCU with 64KB Flash 6KB SRAM 12 A A 595-MSP430F5324IZXHR MSP430F5324IZXH Texas Instruments 1: S/35.73 4,608In Stock	Mfr. Part # MSP430F5324IZXH Mouser Part # 595-MSP430F5324IZXH	Texas Instruments	16-bit Microcontrollers - MCU 25 MHz MCU with 64KB Flash 6KB SRAM 12 A A 595-MSP430F5324IZXHR Learn More about Texas Instruments ti msp430f532x mixed signal mcus	Datasheet	4,608In Stock	S/35.73 S/26.82 S/25.57 S/22.19 View S/21.21 S/17.40 S/17.09	Min.: 1 Mult.: 1	MSP430	64 kB	6 kB	NFBGA-80	25 MHz	12 bit	47 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F5324		Tray
16-bit Microcontrollers - MCU Mixed Signal MCU A 5 95-MSP430F5340IRGZR A 595-MSP430F5340IRGZR MSP430F5340IRGZT Texas Instruments 1: S/32.15 798In Stock	Mfr. Part # MSP430F5340IRGZT Mouser Part # 595-MSP430F5340IRGZT	Texas Instruments	16-bit Microcontrollers - MCU Mixed Signal MCU A 5 95-MSP430F5340IRGZR A 595-MSP430F5340IRGZR Learn More about Texas Instruments ti msp430 mcus	Datasheet	798In Stock	Cut Tape S/32.15 S/24.87 S/21.95 S/21.02 Reel S/18.84 View S/18.68 S/18.65 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	MSP430	64 kB	2 kB	VQFN-48	25 MHz	12 bit	38 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F5340		Reel, Cut Tape, MouseReel
16-bit Microcontrollers - MCU Mixed Signal MCU A 5 95-MSP430F5503IRGZT A 595-MSP430F5503IRGZT MSP430F5503IRGZR Texas Instruments 1: S/19.15 1,979In Stock	Mfr. Part # MSP430F5503IRGZR Mouser Part # 595-MSP430F5503IRGZR	Texas Instruments	16-bit Microcontrollers - MCU Mixed Signal MCU A 5 95-MSP430F5503IRGZT A 595-MSP430F5503IRGZT Learn More about Texas Instruments ti msp430 mcus	Datasheet	1,979In Stock	Cut Tape S/19.15 S/14.56 S/12.73 S/12.14 View Reel S/10.51 S/11.17 S/11.09 S/10.51 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	MSP430	32 kB	4 kB	VQFN-48	25 MHz	No ADC	31 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F5503		Reel, Cut Tape, MouseReel
16-bit Microcontrollers - MCU Mixed Signal MCU A 5 95-MSP430F6736IPN A A 595-MSP430F6736IPN MSP430F6736IPNR Texas Instruments 1: S/33.20 2,285In Stock	Mfr. Part # MSP430F6736IPNR Mouser Part # 595-MSP430F6736IPNR	Texas Instruments	16-bit Microcontrollers - MCU Mixed Signal MCU A 5 95-MSP430F6736IPN A A 595-MSP430F6736IPN Learn More about Texas Instruments ti msp430f67xx	Datasheet	2,285In Stock	Cut Tape S/33.20 S/25.73 S/22.73 S/21.80 Reel S/18.57 View S/20.75 S/18.33 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	MSP430	128 kB	8 kB	LQFP-80	25 MHz	10 bit	52 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F6736		Reel, Cut Tape, MouseReel
16-bit Microcontrollers - MCU S12A 16-bit MCU, HCS12 core, 64KB Flash, QFP 112 MC9S12A64CPVE NXP Semiconductors 1: S/155.00 103In Stock	Mfr. Part # MC9S12A64CPVE Mouser Part # 841-MC9S12A64CPVE	NXP Semiconductors	16-bit Microcontrollers - MCU S12A 16-bit MCU, HCS12 core, 64KB Flash, QFP 112	Datasheet	103In Stock	S/155.00 S/130.55 S/119.73 S/111.48 View S/108.99 Quote	Min.: 1 Mult.: 1	HCS12	64 kB	4 kB	LQFP-112	25 MHz	10 bit	91 I/O	2.35 V	2.75 V	SMD/SMT	16 bit	- 40 C	+ 85 C	S12A		Tray
16-bit Microcontrollers - MCU S12GC 16-bit MCU, HCS12 core, 32KB Flash, 50MHz, QFP 80 MC9S12GC32CFUE NXP Semiconductors 1: S/85.91 1,019In Stock	Mfr. Part # MC9S12GC32CFUE Mouser Part # 841-MC9S12GC32CFUE	NXP Semiconductors	16-bit Microcontrollers - MCU S12GC 16-bit MCU, HCS12 core, 32KB Flash, 50MHz, QFP 80	Datasheet	1,019In Stock	S/85.91 S/69.40 S/66.56 S/58.62 View S/55.74 S/53.17 S/51.93 Quote	Min.: 1 Mult.: 1	HCS12	32 kB	2 kB	PQFP-80	25 MHz	10 bit	60 I/O	2.35 V	2.75 V	SMD/SMT	16 bit	- 40 C	+ 85 C	S12GC		Tray
16-bit Microcontrollers - MCU 20 MHz MCU with 256K B Flash 16KB SRAM MSP430F5632IZCAR Texas Instruments 1: S/50.95 3,484In Stock	Mfr. Part # MSP430F5632IZCAR Mouser Part # 595-MSP430F5632IZCAR	Texas Instruments	16-bit Microcontrollers - MCU 20 MHz MCU with 256K B Flash 16KB SRAM Learn More about Texas Instruments ti msp430f563x mcus	Datasheet	3,484In Stock	Cut Tape S/50.95 S/38.73 S/37.13 S/32.70 View Reel S/27.64 S/31.10 S/30.09 S/29.12 S/27.64 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	MSP430	256 kB	18 kB	NFBGA-113	25 MHz	No ADC	74 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F5632		Reel, Cut Tape, MouseReel
16-bit Microcontrollers - MCU 16BIT 128K FLASH S9S12G128AMLL NXP Semiconductors 1: S/36.04 448In Stock	Mfr. Part # S9S12G128AMLL Mouser Part # 771-S9S12G128AMLL	NXP Semiconductors	16-bit Microcontrollers - MCU 16BIT 128K FLASH Learn More about NXP Semiconductors nxp s12g automotive mcu	Datasheet	448In Stock	S/36.04 S/26.08 S/24.09 S/22.85 View S/22.19 S/21.72 S/21.06 Quote	Min.: 1 Mult.: 1	S12	128 kB	8 kB	LQFP-100	25 MHz	10 bit	86 I/O	3.15 V	5.5 V	SMD/SMT	16 bit	- 40 C	+ 125 C	S12G		Tray
16-bit Microcontrollers - MCU MSP430F532x Mixed Si gnal MCU A 595-MSP4 A 595-MSP430F5328IRGCT MSP430F5328IRGCR Texas Instruments 1: S/32.39 1,850In Stock	Mfr. Part # MSP430F5328IRGCR Mouser Part # 595-MSP430F5328IRGCR	Texas Instruments	16-bit Microcontrollers - MCU MSP430F532x Mixed Si gnal MCU A 595-MSP4 A 595-MSP430F5328IRGCT Learn More about Texas Instruments ti msp430f532x mixed signal mcus	Datasheet	1,850In Stock	Cut Tape S/32.39 S/24.76 S/22.89 S/20.79 View Reel S/18.26 S/19.70 S/18.29 S/18.26 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000	MSP430	128 kB	10 kB	VQFN-64	25 MHz	12 bit	47 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F5328		Reel, Cut Tape, MouseReel
16-bit Microcontrollers - MCU 16B Ultra-Low-Pwr Mi crocontroller A 595 A 595-MSP430F5435AIPNR MSP430F5435AIPN Texas Instruments 1: S/65.04 179In Stock	Mfr. Part # MSP430F5435AIPN Mouser Part # 595-MSP430F5435AIPN	Texas Instruments	16-bit Microcontrollers - MCU 16B Ultra-Low-Pwr Mi crocontroller A 595 A 595-MSP430F5435AIPNR Learn More about Texas Instruments ti msp430f541xa msp430f543xa mcus	Datasheet	179In Stock	S/65.04 S/50.76 S/45.93 S/40.52 View S/40.48 S/39.39 S/38.38 Quote	Min.: 1 Mult.: 1	MSP430	192 kB	16 kB	LQFP-80	25 MHz	12 bit	67 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F5435A		Tray
16-bit Microcontrollers - MCU Mixed Sig MCU A 595- MSP430F5507IRGZT A A 595-MSP430F5507IRGZT MSP430F5507IRGZR Texas Instruments 1: S/20.01 2,110In Stock	Mfr. Part # MSP430F5507IRGZR Mouser Part # 595-MSP430F5507IRGZR	Texas Instruments	16-bit Microcontrollers - MCU Mixed Sig MCU A 595- MSP430F5507IRGZT A A 595-MSP430F5507IRGZT Learn More about Texas Instruments ti msp430 mcus	Datasheet	2,110In Stock	Cut Tape S/20.01 S/15.26 S/13.31 S/12.73 View Reel S/11.02 S/11.72 S/11.64 S/11.02 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	MSP430	32 kB	4 kB	VQFN-48	25 MHz	10 bit	31 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F5507		Reel, Cut Tape, MouseReel
16-bit Microcontrollers - MCU 25 MHz MCU with 96KB Flash 6KB SRAM 12 A A 595-MSP430F5526IZXHR MSP430F5526IZXH Texas Instruments 1: S/47.10 2,733In Stock	Mfr. Part # MSP430F5526IZXH Mouser Part # 595-MSP430F5526IZXH	Texas Instruments	16-bit Microcontrollers - MCU 25 MHz MCU with 96KB Flash 6KB SRAM 12 A A 595-MSP430F5526IZXHR Learn More about Texas Instruments ti msp430f552x msp430f551x mixed signal mcus	Datasheet	2,733In Stock	S/47.10 S/36.63 S/34.95 S/30.36 View S/29.00 S/23.78 S/23.32	Min.: 1 Mult.: 1	MSP430	96 kB	6 kB	NFBGA-80	25 MHz	12 bit	63 I/O	1.8 V	3.6 V	SMD/SMT	16 bit	- 40 C	+ 85 C	MSP430F5526		Tray