Tel: +86-0755-83501315
Email: sales@sic-components.com
Image | Product Number | Pricing(USD) | Quantity | ECAD | Quantity Available | Weight(Kg) | Mfr | Series | Package | Product Status | Operating Temperature | Mounting Type | Package / Case | Type | Base Product Number | Supplier Device Package | DataSheet | RoHS Status | Moisture Sensitivity Level (MSL) | REACH Status | Other Names | ECCN | HTSUS | Standard Package | Number of I/O | Core Processor | Core Size | Speed | Connectivity | Peripherals | Program Memory Size | Program Memory Type | EEPROM Size | RAM Size | Voltage - Supply (Vcc/Vdd) | Data Converters | Oscillator Type | Interface | Number of Cores/Bus Width | Co-Processors/DSP | RAM Controllers | Graphics Acceleration | Display & Interface Controllers | Ethernet | SATA | USB | Voltage - I/O | Security Features | Additional Interfaces | Clock Rate | Non-Volatile Memory | On-Chip RAM | Voltage - Core |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
TMS320F28064PNT | - | ![]() |
5867 | 0.00000000 | Texas Instruments | C2000™ C28x Piccolo™ | Tray | Obsolete | -40°C ~ 105°C (TA) | Surface Mount | 80-LQFP | TMS320 | 80-LQFP (12x12) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | 3A991A2 | 8542.31.0001 | 119 | 40 | C28x | 32-Bit Single-Core | 90MHz | CANbus, I²C, McBSP, SCI, SPI, UART/USART | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 128KB (64K x 16) | FLASH | - | 50K x 16 | 1.71V ~ 1.995V | A/D 12x12b | Internal | |||||||||||||||||||
![]() |
LM3S617-IQN50-C2T | 7.6652 | ![]() |
7736 | 0.00000000 | Texas Instruments | Stellaris® ARM® Cortex®-M3S 600 | Tape & Reel (TR) | Not For New Designs | -40°C ~ 85°C (TA) | Surface Mount | 48-LQFP | LM3S617 | 48-LQFP (7x7) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | 3A991A2 | 8542.31.0001 | 2,000 | 30 | ARM® Cortex®-M3 | 32-Bit Single-Core | 50MHz | Microwire, SPI, SSI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 32KB (32K x 8) | FLASH | - | 8K x 8 | 3V ~ 3.6V | A/D 6x10b | Internal | |||||||||||||||||||
![]() |
AM5716AABCXEQ1 | 60.9625 | ![]() |
9668 | 0.00000000 | Texas Instruments | Automotive, AEC-Q100 | Tray | Active | -40°C ~ 125°C (TJ) | Surface Mount | 760-BFBGA, FCBGA | AM5716 | 760-FCBGA (23x23) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | 5A992C | 8542.31.0001 | 60 | ARM® Cortex®-A15 | 1.5GHz | 1 Core, 32-Bit | Multimedia; GPU, IPU, VFP | DDR3, SRAM | Yes | - | 10/100/1000Mbps (1) | SATA 3Gbps (1) | USB 2.0 (1), USB 3.0 (1) | 1.8V, 3.3V | - | CAN, EBI/EMI, HDQ/1-Wire®, I²C, McASP, McSPI, MMC/SD/SDIO, PCIe, QSPI, UART | |||||||||||||||||||
![]() |
CR16MCS9VJE8/NOPB | - | ![]() |
1098 | 0.00000000 | Texas Instruments | CompactRISC™ | Tray | Obsolete | -40°C ~ 85°C (TA) | Surface Mount | 80-QFP | CR16MCS9 | 80-QFP (14x14) | - | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | 3A991A2 | 8542.31.0001 | 84 | 56 | CR16B | 16-Bit | 16MHz | ACCESS.Bus (2-Wire/I²C, SMBus), CANbus, Microwire/Plus (SPI), UART/USART | POR, PWM, WDT | 64KB (64K x 8) | FLASH | 2K x 8 | 3K x 8 | 4.5V ~ 5.5V | A/D 8x12b | External | |||||||||||||||||||
![]() |
MSP430F2003IN | 3.4400 | ![]() |
278 | 0.00000000 | Texas Instruments | MSP430F2xx | Tube | Active | -40°C ~ 85°C (TA) | Through Hole | 14-DIP (0.300", 7.62mm) | MSP430F2003 | 14-PDIP | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.31.0001 | 25 | 10 | MSP430 CPU16 | 16-Bit | 16MHz | I²C, SPI | Brown-out Detect/Reset, POR, PWM, WDT | 1KB (1K x 8 + 256B) | FLASH | - | 128 x 8 | 1.8V ~ 3.6V | A/D 10x16b | Internal | |||||||||||||||||||
![]() |
MSP430F413IPM | 5.5000 | ![]() |
2 | 0.00000000 | Texas Instruments | MSP430x4xx | Tray | Active | -40°C ~ 85°C (TA) | Surface Mount | 64-LQFP | MSP430F413 | 64-LQFP (10x10) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | EAR99 | 8542.31.0001 | 160 | 48 | MSP430 CPU16 | 16-Bit | 8MHz | - | Brown-out Detect/Reset, LCD, POR, PWM, WDT | 8KB (8K x 8 + 256B) | FLASH | - | 256 x 8 | 1.8V ~ 3.6V | Slope A/D | Internal | |||||||||||||||||||
![]() |
TNETV2685FIBZUTA5 | - | ![]() |
1099 | 0.00000000 | Texas Instruments | TMS320DM64x, DaVinci™ | Tray | Obsolete | -40°C ~ 90°C (TC) | Surface Mount | 529-BFBGA | Fixed Point | TNETV2685 | 529-FCBGA (19x19) | download | ROHS3 Compliant | REACH Affected | 3A991A2 | 8542.31.0001 | 84 | Host Interface, I²C, McASP, PCI, SPI, UART | 1.8V, 3.3V | 720MHz | ROM (64kB) | 576kB | 1.20V | ||||||||||||||||||||||||||
![]() |
LM3S1P51-IBZ80-C5 | - | ![]() |
4164 | 0.00000000 | Texas Instruments | Stellaris® ARM® Cortex®-M3S 1000 | Tray | Obsolete | -40°C ~ 85°C (TA) | Surface Mount | 108-LFBGA | LM3S1P51 | 108-BGA (10x10) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | 3A991A2 | 8542.31.0001 | 184 | 67 | ARM® Cortex®-M3 | 32-Bit Single-Core | 80MHz | I²C, IrDA, Microwire, QEI, SPI, SSI, UART/USART | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | 64KB (64K x 8) | FLASH | - | 24K x 8 | 1.08V ~ 3.6V | A/D 16x10b | Internal | |||||||||||||||||||
![]() |
TMS5701224CPGEQQ1 | 24.3800 | ![]() |
8126 | 0.00000000 | Texas Instruments | Automotive, AEC-Q100, Hercules™ TMS570 ARM® Cortex®-R | Tray | Active | -40°C ~ 125°C (TA) | Surface Mount | 144-LQFP | TMS5701 | 144-LQFP (20x20) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | 3A991A2 | 8542.31.0001 | 60 | 64 | ARM® Cortex®-R4F | 16/32-Bit | 160MHz | CANbus, EBI/EMI, I²C, LINbus, MibSPI, SCI, SPI, UART/USART | DMA, POR, PWM, WDT | 1.25MB (1.25M x 8) | FLASH | 64K x 8 | 192K x 8 | 1.14V ~ 3.6V | A/D 24x12b | External | |||||||||||||||||||
![]() |
LM3S808-EGZ50-C2 | - | ![]() |
6604 | 0.00000000 | Texas Instruments | Stellaris® ARM® Cortex®-M3S 800 | Tray | Discontinued at SIC | -40°C ~ 105°C (TA) | Surface Mount | 48-VFQFN Exposed Pad | LM3S808 | 48-VQFN (7x7) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | 3A991A2 | 8542.31.0001 | 43 | 28 | ARM® Cortex®-M3 | 32-Bit Single-Core | 50MHz | I²C, Microwire, SPI, SSI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 64KB (64K x 8) | FLASH | - | 8K x 8 | 3V ~ 3.6V | A/D 8x10b | Internal | |||||||||||||||||||
![]() |
AM1705BPTP3 | 8.6700 | ![]() |
47 | 0.00000000 | Texas Instruments | Sitara™ | Tray | Obsolete | 0°C ~ 90°C (TJ) | Surface Mount | 176-LQFP Exposed Pad | AM1705 | 176-HLQFP (24x24) | download | ROHS3 Compliant | 4 (72 Hours) | REACH Unaffected | 296-27568-5 | 3A991A2 | 8542.31.0001 | 1 | ARM926EJ-S | 375MHz | 1 Core, 32-Bit | System Control; CP15 | SDRAM | No | - | 10/100Mbps (1) | - | USB 2.0 + PHY (1) | 1.8V, 3.3V | - | I²C, McASP, SPI, MMC/SD, UART | ||||||||||||||||||
![]() |
OMAPL138EZWTQ4R | - | ![]() |
5569 | 0.00000000 | Texas Instruments | - | Bulk | Obsolete | 0°C ~ 90°C (TJ) | Surface Mount | 361-LFBGA | 361-NFBGA (16x16) | - | 2156-OMAPL138EZWTQ4R | 1 | ARM926EJ-S | 456MHz | 1 Core, 32-Bit | Signal Processing; C674x, System Control; CP15 | DDR2, LPDDR | No | LCD | 10/100Mbps (1) | USB 1.1 + PHY (1), USB 2.0 + PHY (1) | 1.8V, 3.3V | Boot Security, Cryptography, Secure JTAG | HPI, I²C, McASP, McBSP, MMC/SD, SPI, UART | |||||||||||||||||||||||||
![]() |
MSP430F67491IPEUR | - | ![]() |
3343 | 0.00000000 | Texas Instruments | MSP430F6xx | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C (TA) | Surface Mount | 128-LQFP | MSP430F67491 | 128-LQFP (20x14) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | EAR99 | 8542.31.0001 | 750 | 90 | MSP430 CPUXV2 | 16-Bit | 25MHz | I²C, IrDA, LINbus, SPI, UART/USART | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT, 4x24b Sigma Delta Converter | 512KB (512K x 8) | FLASH | - | 32K x 8 | 1.8V ~ 3.6V | A/D 8x10b | Internal | |||||||||||||||||||
![]() |
TMS320F280270PTS | 4.9267 | ![]() |
2075 | 0.00000000 | Texas Instruments | C2000™ C28x Piccolo™ | Tray | Active | -40°C ~ 125°C (TA) | Surface Mount | 48-LQFP | TMS320 | 48-LQFP (7x7) | download | ROHS3 Compliant | 2 (1 Year) | REACH Unaffected | 3A991A2 | 8542.31.0001 | 250 | 22 | C28x | 32-Bit Single-Core | 50MHz | I²C, SCI, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 32KB (16K x 16) | FLASH | - | 4K x 16 | 1.71V ~ 1.995V | A/D 8x12b | Internal | |||||||||||||||||||
![]() |
TMS320C6202GJL200 | 185.4800 | ![]() |
6569 | 0.00000000 | Texas Instruments | TMS320C62x | Tube | Not For New Designs | 0°C ~ 90°C (TC) | Surface Mount | 352-BBGA, FCBGA Exposed Pad | Fixed Point | TMS320 | 352-FCBGA (27x27) | download | ROHS3 Compliant | 4 (72 Hours) | REACH Unaffected | 3A991A2 | 8542.31.0001 | 40 | McBSP | 3.30V | 200MHz | External | 384kB | 1.80V | |||||||||||||||||||||||||
![]() |
OMAP3530ECBBLPD | 47.1610 | ![]() |
4108 | 0.00000000 | Texas Instruments | OMAP-35xx | Tray | Active | 0°C ~ 90°C (TJ) | Surface Mount | 515-VFBGA, FCBGA | OMAP3530 | 515-POP-FCBGA (12x12) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | 5A992C | 8542.31.0001 | 168 | ARM® Cortex®-A8 | 600MHz | 1 Core, 32-Bit | Signal Processing; C64x+, Multimedia; NEON™ SIMD | LPDDR | Yes | LCD | - | - | USB 1.x (3), USB 2.0 (1) | 1.8V, 3.0V | - | HDQ/1-Wire, I²C, McBSP, McSPI, MMC/SD/SDIO, UART | |||||||||||||||||||
![]() |
TMX5700432PZQQ1 | - | ![]() |
6180 | 0.00000000 | Texas Instruments | Automotive, AEC-Q100, Hercules™ TMS570 ARM® Cortex®-R | Tray | Obsolete | -40°C ~ 125°C (TA) | Surface Mount | 100-LQFP | TMX570 | 100-LQFP (14x14) | download | RoHS non-compliant | 3 (168 Hours) | REACH Unaffected | 3A991A2 | 8542.31.0001 | 1 | 45 | ARM® Cortex®-R4F | 16/32-Bit | 80MHz | CANbus, LINbus, MibSPI, SCI, SPI, UART/USART | POR, PWM, WDT | 384KB (384K x 8) | FLASH | - | 32K x 8 | 1.14V ~ 1.32V | A/D 16x12b | External | |||||||||||||||||||
![]() |
MSP430F110IPWR | - | ![]() |
3296 | 0.00000000 | Texas Instruments | MSP430x1xx | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C (TA) | Surface Mount | 20-TSSOP (0.173", 4.40mm Width) | MSP430F110 | 20-TSSOP | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.31.0001 | 2,000 | 14 | MSP430 CPU16 | 16-Bit | 8MHz | - | POR, PWM, WDT | 1KB (1K x 8 + 128B) | FLASH | - | 128 x 8 | 1.8V ~ 3.6V | - | Internal | |||||||||||||||||||
![]() |
LM3S1635-IBZ50-A2 | 17.0293 | ![]() |
6656 | 0.00000000 | Texas Instruments | Stellaris® ARM® Cortex®-M3S 1000 | Tray | Not For New Designs | -40°C ~ 85°C (TA) | Surface Mount | 108-LFBGA | LM3S1635 | 108-BGA (10x10) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | 3A991A2 | 8542.31.0001 | 184 | 56 | ARM® Cortex®-M3 | 32-Bit Single-Core | 50MHz | I²C, IrDA, Microwire, SPI, SSI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 128KB (128K x 8) | FLASH | - | 32K x 8 | 2.25V ~ 2.75V | A/D 4x10b | Internal | |||||||||||||||||||
![]() |
66AK2H14AXAAW24 | - | ![]() |
8886 | 0.00000000 | Texas Instruments | 66AK2Hx KeyStone Multicore | Tray | Obsolete | 0°C ~ 85°C (TC) | Surface Mount | 1517-BBGA, FCBGA | DSP+ARM® | 66AK2 | 1517-FCBGA (40x40) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | 5A002A1 | 8542.31.0001 | 21 | EBI/EMI, Ethernet, DMA, I²C, Serial RapidIO, SPI, UART/USART, USB 3.0 | 0.85V, 1.0V, 1.35V, 1.5V, 1.8V, 3.3V | 1.2GHz DSP, 1.4GHz ARM® | ROM (384kB) | 12.75MB | Variable | |||||||||||||||||||||||||
![]() |
MSP430FE427IPMR | 8.5500 | ![]() |
1 | 0.00000000 | Texas Instruments | MSP430x4xx | Tape & Reel (TR) | Active | -40°C ~ 85°C (TA) | Surface Mount | 64-LQFP | MSP430FE427 | 64-LQFP (10x10) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | EAR99 | 8542.31.0001 | 1,000 | 14 | MSP430 CPU16 | 16-Bit | 8.4MHz | SPI, UART/USART | Brown-out Detect/Reset, LCD, POR, PWM, WDT | 32KB (32K x 8 + 256B) | FLASH | - | 1K x 8 | 1.8V ~ 3.6V | A/D 3x16b | Internal | |||||||||||||||||||
![]() |
LM3S9L71-IBZ80-C5T | - | ![]() |
9808 | 0.00000000 | Texas Instruments | Stellaris® ARM® Cortex®-M3S 9000 | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C (TA) | Surface Mount | 108-LFBGA | LM3S9L71 | 108-BGA (10x10) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | 3A991A2 | 8542.31.0001 | 1,000 | 72 | ARM® Cortex®-M3 | 32-Bit Single-Core | 80MHz | CANbus, Ethernet, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | 128KB (128K x 8) | FLASH | - | 48K x 8 | 1.235V ~ 1.365V | A/D 16x10b | Internal | |||||||||||||||||||
![]() |
TNETV2666ACLZWT | 39.3359 | ![]() |
8823 | 0.00000000 | Texas Instruments | TMS320C642x | Tray | Active | 0°C ~ 90°C (TJ) | Surface Mount | 361-LFBGA | Fixed Point | TNETV2666 | 361-NFBGA (16x16) | download | ROHS3 Compliant | REACH Unaffected | 3A991A2 | 8542.31.0001 | 90 | EBI/EMI, HPI, I²C, McASP, McBSP, UART, 10/100 Ethernet MAC | 1.8V, 3.3V | 400MHz | ROM (64kB) | 240kB | 1.05V, 1.20V | ||||||||||||||||||||||||||
![]() |
COP8SGR740N8 | - | ![]() |
8198 | 0.00000000 | Texas Instruments | COP8™ 8SG | Tube | Obsolete | -40°C ~ 85°C (TA) | Through Hole | 40-DIP (0.600", 15.24mm) | COP8SGR7 | 40-DIP | download | RoHS non-compliant | 1 (Unlimited) | REACH Unaffected | *COP8SGR740N8 | EAR99 | 8542.31.0001 | 9 | 36 | COP8 | 8-Bit | 15MHz | Microwire/Plus (SPI), UART/USART | POR, PWM, WDT | 32KB (32K x 8) | OTP | - | 512 x 8 | 2.7V ~ 5.5V | - | Internal | ||||||||||||||||||
![]() |
MSP430FG479IZQWR | - | ![]() |
5332 | 0.00000000 | Texas Instruments | MSP430x4xx | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C (TA) | Surface Mount | 113-VFBGA | MSP430FG479 | 113-BGA Microstar Junior (7x7) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | EAR99 | 8542.31.0001 | 2,500 | 48 | MSP430 CPU16 | 16-Bit | 8MHz | I²C, IrDA, LINbus, SCI, SPI, UART/USART | Brown-out Detect/Reset, LCD, PWM, WDT | 60KB (60K x 8 + 256B) | FLASH | - | 2K x 8 | 1.8V ~ 3.6V | A/D 5x16b; D/A 2x12b | Internal | |||||||||||||||||||
![]() |
TMS320C50PGEA57 | - | ![]() |
7002 | 0.00000000 | Texas Instruments | TMS320C5x | Tube | Obsolete | -40°C ~ 85°C (TA) | Surface Mount | 144-LQFP | Fixed Point | TMS320 | 144-LQFP (20x20) | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | 3A991A3 | 8542.31.0001 | 1 | Serial Port | 5.00V | 57MHz | ROM (4kB) | 20kB | 5.00V | |||||||||||||||||||||||||
![]() |
TMS320F28375SZWTS | 16.8954 | ![]() |
7852 | 0.00000000 | Texas Instruments | C2000™ C28x Delfino™, Functional Safety (FuSa) | Tape & Reel (TR) | Active | -40°C ~ 125°C (TJ) | Surface Mount | 337-LFBGA | TMS320 | 337-NFBGA (16x16) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | 3A991A2 | 8542.31.0001 | 90 | 169 | C28x | 32-Bit Single-Core | 200MHz | CANbus, EBI/EMI, I²C, McBSP, SCI, SPI, uPP, UART/USART, USB | DMA, POR, PWM, WDT | 1MB (512K x 16) | FLASH | - | 82K x 16 | 1.14V ~ 3.47V | A/D 24x12b; D/A 3x12b | Internal | |||||||||||||||||||
![]() |
XRM48L950PGET | - | ![]() |
6391 | 0.00000000 | Texas Instruments | Hercules™ RM4 ARM® Cortex®-R4 | Tray | Discontinued at SIC | -40°C ~ 105°C (TA) | Surface Mount | 144-LQFP | XRM4 | 144-LQFP (20x20) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | 3A991A2 | 8542.31.0001 | 1 | 64 | ARM® Cortex®-R4F | 16/32-Bit | 200MHz | CANbus, EBI/EMI, Ethernet, I²C, LINbus, SCI, SPI, USB | DMA, POR, PWM, WDT | 3MB (3M x 8) | FLASH | 64K x 8 | 256K x 8 | 1.14V ~ 1.32V | A/D 24x12b | External | |||||||||||||||||||
![]() |
MSP430A009IPMR | 7.5140 | ![]() |
1263 | 0.00000000 | Texas Instruments | MSP430x1xx | Tape & Reel (TR) | Active | -40°C ~ 85°C (TA) | Surface Mount | 64-LQFP | MSP430A009 | 64-LQFP (10x10) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | EAR99 | 8542.31.0001 | 1,000 | 48 | MSP430 | 16-Bit | 8MHz | SPI, UART/USART | POR, PWM, WDT | 48KB (48K x 8 + 256B) | FLASH | - | 2K x 8 | 1.8V ~ 3.6V | A/D 8x12b | Internal | |||||||||||||||||||
![]() |
MSP430FR5964IRGZR | 7.0100 | ![]() |
6121 | 0.00000000 | Texas Instruments | MSP430™ FRAM | Tape & Reel (TR) | Active | -40°C ~ 85°C (TA) | Surface Mount | 48-VFQFN Exposed Pad | MSP430FR5964 | 48-VQFN (7x7) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | 5A992C | 8542.31.0001 | 2,500 | 40 | MSP430 CPUXV2 | 16-Bit | 16MHz | I²C, IrDA, SPI, UART/USART | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 256KB (256K x 8) | FRAM | - | 8K x 8 | 1.8V ~ 3.6V | A/D 16x12b | External, Internal |
Daily average RFQ Volume
Standard Product Unit
Worldwide Manufacturers
In-stock Warehouse