Pagina 6 - Ingesloten - DSP (digitale signaalprocessoren) | Geïntegreerde schakelingen (IC's) | Heisener Electronics
Contacteer ons
SalesDept@heisener.com +86-755-83210559 ext. 809
Language Translation

* Please refer to the English Version as our Official Version.

Ingesloten - DSP (digitale signaalprocessoren)

Archief 4.022
Pagina  6/144
Afbeelding
Onderdeelnummer
Fabrikant
Omschrijving
package
Voorraad
Aantal
Interface
Clock Rate
Non-Volatile Memory
On-Chip RAM
Voltage - I/O
Voltage - Core
Operating Temperature
Mounting Type
Package / Case
Supplier Device Package
ADSP-BF533SKSTZ5VC
Analog Devices Inc.

IC CCD SIGNAL PROCESSO

  • Type: Fixed Point
  • Interface: SPI, SSP, UART
  • Clock Rate: 533MHz
  • Non-Volatile Memory: ROM (1 kB)
  • On-Chip RAM: 148kB
  • Voltage - I/O: 1.8V, 3.3V
  • Voltage - Core: 1.25V
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
package: -
Voorraad3.984
SPI, SSP, UART
533MHz
ROM (1 kB)
148kB
1.8V, 3.3V
1.25V
0°C ~ 70°C (TA)
-
-
-
AD21479WYCPZ1B02
Analog Devices Inc.

SHARC 200MHZ PROCESSOR

  • Type: Floating Point
  • Interface: DAI, DPI, EBI/EMI, I2C, SPI, SPORT, UART/USART
  • Clock Rate: 200MHz
  • Non-Volatile Memory: ROM (4 Mbit)
  • On-Chip RAM: 5Mbit
  • Voltage - I/O: 3.30V
  • Voltage - Core: 1.20V
  • Operating Temperature: -40°C ~ 105°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 88-VFQFN Exposed Pad, CSP
  • Supplier Device Package: 88-LFCSP-VQ (12x12)
package: 88-VFQFN Exposed Pad, CSP
Voorraad5.520
DAI, DPI, EBI/EMI, I2C, SPI, SPORT, UART/USART
200MHz
ROM (4 Mbit)
5Mbit
3.30V
1.20V
-40°C ~ 105°C (TA)
Surface Mount
88-VFQFN Exposed Pad, CSP
88-LFCSP-VQ (12x12)
TMS320C6745CPTPD4
Texas Instruments

IC DSP FIX/FLOAT POINT 176HLQFP

  • Type: Fixed/Floating Point
  • Interface: EBI/EMI, Ethernet MAC, I2C, McASP, SPI, UART, USB
  • Clock Rate: 456MHz
  • Non-Volatile Memory: External
  • On-Chip RAM: 320kB
  • Voltage - I/O: 3.30V
  • Voltage - Core: 1.20V
  • Operating Temperature: -40°C ~ 90°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: 176-LQFP Exposed Pad
  • Supplier Device Package: 176-HLQFP (24x24)
package: 176-LQFP Exposed Pad
Voorraad7.088
EBI/EMI, Ethernet MAC, I2C, McASP, SPI, UART, USB
456MHz
External
320kB
3.30V
1.20V
-40°C ~ 90°C (TJ)
Surface Mount
176-LQFP Exposed Pad
176-HLQFP (24x24)
TMS320DM641AGNZ5
Texas Instruments

IC FIXED-POINT DSP 548-FCBGA

  • Type: Fixed Point
  • Interface: Host Interface, I2C, McASP, McBSP
  • Clock Rate: 500MHz
  • Non-Volatile Memory: External
  • On-Chip RAM: 160kB
  • Voltage - I/O: 3.30V
  • Voltage - Core: 1.20V
  • Operating Temperature: 0°C ~ 90°C (TC)
  • Mounting Type: Surface Mount
  • Package / Case: 548-BBGA, FCBGA
  • Supplier Device Package: 548-FCBGA (27x27)
package: 548-BBGA, FCBGA
Voorraad2.880
Host Interface, I2C, McASP, McBSP
500MHz
External
160kB
3.30V
1.20V
0°C ~ 90°C (TC)
Surface Mount
548-BBGA, FCBGA
548-FCBGA (27x27)
hot ADSP-21266SKSTZ-2D
Analog Devices Inc.

IC DSP 32BIT 150MHZ 144-LQFP

  • Type: Floating Point
  • Interface: DAI, SPI
  • Clock Rate: 200MHz
  • Non-Volatile Memory: ROM (512 kB)
  • On-Chip RAM: 256kB
  • Voltage - I/O: 3.30V
  • Voltage - Core: 1.20V
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 144-LQFP
  • Supplier Device Package: 144-LQFP (20x20)
package: 144-LQFP
Voorraad5.888
DAI, SPI
200MHz
ROM (512 kB)
256kB
3.30V
1.20V
0°C ~ 70°C (TA)
Surface Mount
144-LQFP
144-LQFP (20x20)
hot TMS320VC5509GHH31
Texas Instruments

IC DSP FIX PT 16-BIT 179-BGA

  • Type: Fixed Point
  • Interface: Host Interface, I2C, McBSP
  • Clock Rate: 144MHz
  • Non-Volatile Memory: ROM (64 kB)
  • On-Chip RAM: 256kB
  • Voltage - I/O: 3.00V, 3.30V
  • Voltage - Core: 1.60V
  • Operating Temperature: -40°C ~ 85°C (TC)
  • Mounting Type: Surface Mount
  • Package / Case: 179-LFBGA
  • Supplier Device Package: 179-BGA MicroStar (12x12)
package: 179-LFBGA
Voorraad9.780
Host Interface, I2C, McBSP
144MHz
ROM (64 kB)
256kB
3.00V, 3.30V
1.60V
-40°C ~ 85°C (TC)
Surface Mount
179-LFBGA
179-BGA MicroStar (12x12)
66AK2H06AAAW24
Texas Instruments

IC DSP ARM SOC 1517BGA

  • Type: DSP+ARM?
  • Interface: EBI/EMI, Ethernet, DMA, I2C, Serial RapidIO, SPI, UART/USART, USB 3.0
  • Clock Rate: 1.2GHz DSP, 1.4GHz ARM?
  • Non-Volatile Memory: ROM (384 kB)
  • On-Chip RAM: 8.375MB
  • Voltage - I/O: 0.85V, 1.0V, 1.35V, 1.5V, 1.8V, 3.3V
  • Voltage - Core: Variable
  • Operating Temperature: 0°C ~ 85°C (TC)
  • Mounting Type: Surface Mount
  • Package / Case: 1517-BBGA, FCBGA
  • Supplier Device Package: 1517-FCBGA (40x40)
package: 1517-BBGA, FCBGA
Voorraad2.544
EBI/EMI, Ethernet, DMA, I2C, Serial RapidIO, SPI, UART/USART, USB 3.0
1.2GHz DSP, 1.4GHz ARM?
ROM (384 kB)
8.375MB
0.85V, 1.0V, 1.35V, 1.5V, 1.8V, 3.3V
Variable
0°C ~ 85°C (TC)
Surface Mount
1517-BBGA, FCBGA
1517-FCBGA (40x40)
hot ADSP-21061KS-200
Analog Devices Inc.

IC DSP CONTROLLER 32BIT 240MQFP

  • Type: Floating Point
  • Interface: Synchronous Serial Port (SSP)
  • Clock Rate: 50MHz
  • Non-Volatile Memory: External
  • On-Chip RAM: 128kB
  • Voltage - I/O: 5.00V
  • Voltage - Core: 5.00V
  • Operating Temperature: 0°C ~ 85°C (TC)
  • Mounting Type: Surface Mount
  • Package / Case: 240-BFQFP Exposed Pad
  • Supplier Device Package: 240-MQFP-EP (32x32)
package: 240-BFQFP Exposed Pad
Voorraad4.848
Synchronous Serial Port (SSP)
50MHz
External
128kB
5.00V
5.00V
0°C ~ 85°C (TC)
Surface Mount
240-BFQFP Exposed Pad
240-MQFP-EP (32x32)
TMS320DM6467CGUTA6
Texas Instruments

IC DGTL MEDIA SOC 529FCBGA

  • Type: Digital Media System-on-Chip (DMSoC)
  • Interface: EBI/EMI, Ethernet, HPI, I2C, McASP, PCI, SPI, UART, USB
  • Clock Rate: -
  • Non-Volatile Memory: ROM (8 kB)
  • On-Chip RAM: 248kB
  • Voltage - I/O: 1.8V, 3.3V
  • Voltage - Core: 1.20V
  • Operating Temperature: -40°C ~ 105°C (TC)
  • Mounting Type: Surface Mount
  • Package / Case: 529-BFBGA, FCBGA
  • Supplier Device Package: 529-FCBGA (19x19)
package: 529-BFBGA, FCBGA
Voorraad2.064
EBI/EMI, Ethernet, HPI, I2C, McASP, PCI, SPI, UART, USB
-
ROM (8 kB)
248kB
1.8V, 3.3V
1.20V
-40°C ~ 105°C (TC)
Surface Mount
529-BFBGA, FCBGA
529-FCBGA (19x19)
TMSDM6467CCUTV6TAN
Texas Instruments

IC SOC DIGITAL MEDIA 529FCBGA

  • Type: Digital Media System-on-Chip (DMSoC)
  • Interface: EBI/EMI, Ethernet, HPI, I2C, McASP, PCI, SPI, UART, USB
  • Clock Rate: -
  • Non-Volatile Memory: ROM (8 kB)
  • On-Chip RAM: 248kB
  • Voltage - I/O: 1.8V, 3.3V
  • Voltage - Core: 1.05V, 1.20V
  • Operating Temperature: 0°C ~ 85°C (TC)
  • Mounting Type: Surface Mount
  • Package / Case: 529-BFBGA, FCBGA
  • Supplier Device Package: 529-FCBGA (19x19)
package: 529-BFBGA, FCBGA
Voorraad7.088
EBI/EMI, Ethernet, HPI, I2C, McASP, PCI, SPI, UART, USB
-
ROM (8 kB)
248kB
1.8V, 3.3V
1.05V, 1.20V
0°C ~ 85°C (TC)
Surface Mount
529-BFBGA, FCBGA
529-FCBGA (19x19)
hot ADSP-BF524KBCZ-3
Analog Devices Inc.

IC DSP CTRLR 300MHZ 289CSBGA

  • Type: Fixed Point
  • Interface: DMA, I2C, PPI, SPI, SPORT, UART, USB
  • Clock Rate: 300MHz
  • Non-Volatile Memory: ROM (32 kB)
  • On-Chip RAM: 132kB
  • Voltage - I/O: 1.8V, 2.5V, 3.3V
  • Voltage - Core: 1.30V
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 289-LFBGA, CSPBGA
  • Supplier Device Package: 289-CSPBGA (12x12)
package: 289-LFBGA, CSPBGA
Voorraad6.336
DMA, I2C, PPI, SPI, SPORT, UART, USB
300MHz
ROM (32 kB)
132kB
1.8V, 2.5V, 3.3V
1.30V
0°C ~ 70°C (TA)
Surface Mount
289-LFBGA, CSPBGA
289-CSPBGA (12x12)
hot TMS320DA105PGE160
Texas Instruments

IC DIGITAL MEDIA SOC

  • Type: -
  • Interface: -
  • Clock Rate: -
  • Non-Volatile Memory: -
  • On-Chip RAM: -
  • Voltage - I/O: -
  • Voltage - Core: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
package: -
Voorraad7.216
-
-
-
-
-
-
-
-
-
-
Z8937120ASG
Zilog

IC DSP 16BIT OTP 4K 20MHZ 44LQFP

  • Type: Fixed Point
  • Interface: External Peripheral Interface
  • Clock Rate: 20MHz
  • Non-Volatile Memory: OTP (8 kB)
  • On-Chip RAM: 1kB
  • Voltage - I/O: 5.00V
  • Voltage - Core: 5.00V
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 44-LQFP
  • Supplier Device Package: 44-QFP
package: 44-LQFP
Voorraad7.152
External Peripheral Interface
20MHz
OTP (8 kB)
1kB
5.00V
5.00V
0°C ~ 70°C (TA)
Surface Mount
44-LQFP
44-QFP
TAS3202PAGR
Texas Instruments

IC AUDIO DSP 64TQFP

  • Type: Fixed Point
  • Interface: I2C, I2S, PCM, SPI, UART
  • Clock Rate: 135MHz
  • Non-Volatile Memory: -
  • On-Chip RAM: 31.625kB
  • Voltage - I/O: 3.30V
  • Voltage - Core: 3.30V
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 64-TQFP
  • Supplier Device Package: 64-TQFP (10x10)
package: 64-TQFP
Voorraad2.976
I2C, I2S, PCM, SPI, UART
135MHz
-
31.625kB
3.30V
3.30V
0°C ~ 70°C (TA)
Surface Mount
64-TQFP
64-TQFP (10x10)
ADSP-21364KSWZ-1AA
Analog Devices Inc.

IC DSP 32BIT 333MHZ EPAD 144LQFP

  • Type: Floating Point
  • Interface: DAI, SPI
  • Clock Rate: 333MHz
  • Non-Volatile Memory: ROM (512 kB)
  • On-Chip RAM: 384kB
  • Voltage - I/O: 3.30V
  • Voltage - Core: 1.20V
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 144-LQFP Exposed Pad
  • Supplier Device Package: 144-LQFP-EP (20x20)
package: 144-LQFP Exposed Pad
Voorraad7.152
DAI, SPI
333MHz
ROM (512 kB)
384kB
3.30V
1.20V
0°C ~ 70°C (TA)
Surface Mount
144-LQFP Exposed Pad
144-LQFP-EP (20x20)
hot ADSP-21161NKCAZ100
Analog Devices Inc.

IC DSP CONTROLLER 32BIT 225MBGA

  • Type: Floating Point
  • Interface: Host Interface, Link Port, Serial Port
  • Clock Rate: 100MHz
  • Non-Volatile Memory: External
  • On-Chip RAM: 128kB
  • Voltage - I/O: 3.30V
  • Voltage - Core: 1.80V
  • Operating Temperature: 0°C ~ 85°C (TC)
  • Mounting Type: Surface Mount
  • Package / Case: 225-BGA, CSPBGA
  • Supplier Device Package: 225-CSPBGA (17x17)
package: 225-BGA, CSPBGA
Voorraad7.600
Host Interface, Link Port, Serial Port
100MHz
External
128kB
3.30V
1.80V
0°C ~ 85°C (TC)
Surface Mount
225-BGA, CSPBGA
225-CSPBGA (17x17)
TMS320DM6433ZDU7
Texas Instruments

IC DGTL MEDIA PROCESSOR 376-BGA

  • Type: Fixed Point
  • Interface: HPI, I2C, McASP, McBSP, PCI, UART, 10/100 Ethernet MAC
  • Clock Rate: 700MHz
  • Non-Volatile Memory: ROM (64 kB)
  • On-Chip RAM: 240kB
  • Voltage - I/O: 1.8V, 3.3V
  • Voltage - Core: 1.20V
  • Operating Temperature: 0°C ~ 90°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: 376-BBGA Exposed Pad
  • Supplier Device Package: 376-BGA (23x23)
package: 376-BBGA Exposed Pad
Voorraad4.672
HPI, I2C, McASP, McBSP, PCI, UART, 10/100 Ethernet MAC
700MHz
ROM (64 kB)
240kB
1.8V, 3.3V
1.20V
0°C ~ 90°C (TJ)
Surface Mount
376-BBGA Exposed Pad
376-BGA (23x23)
hot TMS320C6424ZDU4
Texas Instruments

IC FIXED-POINT DSP 376-BGA

  • Type: Fixed Point
  • Interface: EBI/EMI, HPI, I2C, McASP, McBSP, UART, 10/100 Ethernet MAC
  • Clock Rate: 400MHz
  • Non-Volatile Memory: ROM (64 kB)
  • On-Chip RAM: 240kB
  • Voltage - I/O: 1.8V, 3.3V
  • Voltage - Core: 1.05V, 1.20V
  • Operating Temperature: 0°C ~ 90°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: 376-BBGA Exposed Pad
  • Supplier Device Package: 376-BGA (23x23)
package: 376-BBGA Exposed Pad
Voorraad6.960
EBI/EMI, HPI, I2C, McASP, McBSP, UART, 10/100 Ethernet MAC
400MHz
ROM (64 kB)
240kB
1.8V, 3.3V
1.05V, 1.20V
0°C ~ 90°C (TJ)
Surface Mount
376-BBGA Exposed Pad
376-BGA (23x23)
hot TMS320C6421ZDU4
Texas Instruments

IC FIXED-POINT DSP 376-BGA

  • Type: Fixed Point
  • Interface: HPI, I2C, McASP, McBSP, UART, 10/100 Ethernet MAC
  • Clock Rate: 400MHz
  • Non-Volatile Memory: ROM (64 kB)
  • On-Chip RAM: 96kB
  • Voltage - I/O: 1.8V, 3.3V
  • Voltage - Core: 1.05V, 1.20V
  • Operating Temperature: 0°C ~ 90°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: 376-BBGA Exposed Pad
  • Supplier Device Package: 376-BGA (23x23)
package: 376-BBGA Exposed Pad
Voorraad4.160
HPI, I2C, McASP, McBSP, UART, 10/100 Ethernet MAC
400MHz
ROM (64 kB)
96kB
1.8V, 3.3V
1.05V, 1.20V
0°C ~ 90°C (TJ)
Surface Mount
376-BBGA Exposed Pad
376-BGA (23x23)
TMS32C6713BPYPA167
Texas Instruments

IC FLOATING POINT DSP 208-HLQFP

  • Type: Floating Point
  • Interface: Host Interface, I2C, McASP, McBSP
  • Clock Rate: 167MHz
  • Non-Volatile Memory: External
  • On-Chip RAM: 264kB
  • Voltage - I/O: 3.30V
  • Voltage - Core: 1.20V
  • Operating Temperature: -40°C ~ 105°C (TC)
  • Mounting Type: Surface Mount
  • Package / Case: 208-LQFP Exposed Pad
  • Supplier Device Package: 208-HLQFP (28x28)
package: 208-LQFP Exposed Pad
Voorraad5.440
Host Interface, I2C, McASP, McBSP
167MHz
External
264kB
3.30V
1.20V
-40°C ~ 105°C (TC)
Surface Mount
208-LQFP Exposed Pad
208-HLQFP (28x28)
hot TMS320VC5402GGU100
Texas Instruments

IC DIG SIG PROCESSOR 144-BGA

  • Type: Fixed Point
  • Interface: Host Interface, McBSP
  • Clock Rate: 100MHz
  • Non-Volatile Memory: ROM (8 kB)
  • On-Chip RAM: 32kB
  • Voltage - I/O: 3.30V
  • Voltage - Core: 1.80V
  • Operating Temperature: -40°C ~ 100°C (TC)
  • Mounting Type: Surface Mount
  • Package / Case: 144-LFBGA
  • Supplier Device Package: 144-BGA MICROSTAR (12x12)
package: 144-LFBGA
Voorraad12.048
Host Interface, McBSP
100MHz
ROM (8 kB)
32kB
3.30V
1.80V
-40°C ~ 100°C (TC)
Surface Mount
144-LFBGA
144-BGA MICROSTAR (12x12)
SAF7754HV/N208QY
NXP

CAR DSP

  • Type: -
  • Interface: -
  • Clock Rate: -
  • Non-Volatile Memory: -
  • On-Chip RAM: -
  • Voltage - I/O: -
  • Voltage - Core: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
package: -
Voorraad2.064
-
-
-
-
-
-
-
-
-
-
ADSP-2195MBCA-140
Analog Devices Inc.

IC DSP CONTROLLER 16BIT 144MBGA

  • Type: Fixed Point
  • Interface: Host Interface, SPI, SSP, UART
  • Clock Rate: 140MHz
  • Non-Volatile Memory: ROM (48kB)
  • On-Chip RAM: 80kB
  • Voltage - I/O: 3.30V
  • Voltage - Core: 2.50V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 144-LFBGA
  • Supplier Device Package: 144-MiniBGA (10x10)
package: -
Request a Quote
Host Interface, SPI, SSP, UART
140MHz
ROM (48kB)
80kB
3.30V
2.50V
-40°C ~ 85°C
Surface Mount
144-LFBGA
144-MiniBGA (10x10)
XC56302PV66
Motorola

DSP, 24-EXT BIT, 66MHZ, CMOS, PQ

  • Type: DSP
  • Interface: ESSI, Host Interface, SCI
  • Clock Rate: 66MHz
  • Non-Volatile Memory: -
  • On-Chip RAM: 42kB
  • Voltage - I/O: 3.30V
  • Voltage - Core: 3.30V
  • Operating Temperature: -40°C ~ 100°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: 144-LQFP
  • Supplier Device Package: 144-LQFP (20x20)
package: -
Request a Quote
ESSI, Host Interface, SCI
66MHz
-
42kB
3.30V
3.30V
-40°C ~ 100°C (TJ)
Surface Mount
144-LQFP
144-LQFP (20x20)
DSPIC33CDV256MP506-E-M9
Microchip Technology

DSPIC33C 100MHZ, 256K FLASH, 24K

  • Type: -
  • Interface: -
  • Clock Rate: -
  • Non-Volatile Memory: -
  • On-Chip RAM: -
  • Voltage - I/O: -
  • Voltage - Core: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
package: -
Request a Quote
-
-
-
-
-
-
-
-
-
-
D35004AZAVA200
Texas Instruments

IC DSP FIXED-POINT 240BGA

  • Type: -
  • Interface: -
  • Clock Rate: -
  • Non-Volatile Memory: -
  • On-Chip RAM: -
  • Voltage - I/O: -
  • Voltage - Core: -
  • Operating Temperature: -
  • Mounting Type: Surface Mount
  • Package / Case: 240-LFBGA
  • Supplier Device Package: 240-NFBGA (15x15)
package: -
Request a Quote
-
-
-
-
-
-
-
Surface Mount
240-LFBGA
240-NFBGA (15x15)
TMS320C28346ZFETR
Texas Instruments

IC DSP FLOATING POINT

  • Type: Floating Point
  • Interface: CAN, EBI/EMI, I2C, McBSP, SCI, SPI
  • Clock Rate: 300MHz
  • Non-Volatile Memory: ROM (16kB)
  • On-Chip RAM: 516kB
  • Voltage - I/O: 3.30V
  • Voltage - Core: 1.20V
  • Operating Temperature: -40°C ~ 105°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: 256-BGA
  • Supplier Device Package: 256-BGA (17x17)
package: -
Voorraad2.250
CAN, EBI/EMI, I2C, McBSP, SCI, SPI
300MHz
ROM (16kB)
516kB
3.30V
1.20V
-40°C ~ 105°C (TJ)
Surface Mount
256-BGA
256-BGA (17x17)
SAF7755HV-N205W-SK
NXP

CAR DISP

  • Type: -
  • Interface: -
  • Clock Rate: -
  • Non-Volatile Memory: -
  • On-Chip RAM: -
  • Voltage - I/O: -
  • Voltage - Core: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
package: -
Request a Quote
-
-
-
-
-
-
-
-
-
-