Página 47 - Interface - Controladores, receptores, transceptores | Circuitos integrados | Heisener Electronics
Fale conosco
SalesDept@heisener.com +86-755-83210559 ext. 803
Login/Registrar
Language Translation

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

BOM
Carrinho 0

Interface - Controladores, receptores, transceptores

Registros 19.891
Página  47/664
Imagem
Nº de peças
Fabricante
Descrição
pacote
Estoque
Quantidade
Protocol
Number of Drivers/Receivers
Duplex
Receiver Hysteresis
Data Rate
Voltage - Supply
Operating Temperature
Mounting Type
Package / Case
Supplier Device Package
T2525N038-6AQ
Microchip Technology

IC RECEIVER IR 5V 38KHZ 8-TSSOP

  • Type: Receiver
  • Protocol: -
  • Number of Drivers/Receivers: 0/1
  • Duplex: -
  • Receiver Hysteresis: -
  • Data Rate: -
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -25°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
  • Supplier Device Package: 8-TSSOP
pacote: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Estoque2.272
-
0/1
-
-
-
4.5 V ~ 5.5 V
-25°C ~ 85°C
Surface Mount
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-TSSOP
hot MAX3292CSD
Maxim Integrated

IC TXRX RS485/422 10MBPS 14-SOIC

  • Type: Transceiver
  • Protocol: RS422, RS485
  • Number of Drivers/Receivers: 1/1
  • Duplex: Full
  • Receiver Hysteresis: 35mV
  • Data Rate: 10Mbps
  • Voltage - Supply: 4.75 V ~ 5.25 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 14-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 14-SOIC
pacote: 14-SOIC (0.154", 3.90mm Width)
Estoque21.540
RS422, RS485
1/1
Full
35mV
10Mbps
4.75 V ~ 5.25 V
0°C ~ 70°C
Surface Mount
14-SOIC (0.154", 3.90mm Width)
14-SOIC
hot SP337EUCT-L
Exar Corporation

IC TXRX RS232/422/485 28SOIC

  • Type: Transceiver
  • Protocol: RS232, RS422, RS485
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 20Mbps
  • Voltage - Supply: 3.3 V ~ 5 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 28-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 28-SOIC
pacote: 28-SOIC (0.295", 7.50mm Width)
Estoque7.552
RS232, RS422, RS485
2/2
Full
500mV
20Mbps
3.3 V ~ 5 V
0°C ~ 70°C
Surface Mount
28-SOIC (0.295", 7.50mm Width)
28-SOIC
LTC2863MPS8-1#TRPBF
Linear Technology

IC TRANSCEIVER RS485/RS422 8SO

  • Type: Transceiver
  • Protocol: RS422, RS485
  • Number of Drivers/Receivers: 1/1
  • Duplex: Full
  • Receiver Hysteresis: 25mV
  • Data Rate: 20Mbps
  • Voltage - Supply: 3 V ~ 5.5 V
  • Operating Temperature: -55°C ~ 125°C
  • Mounting Type: Surface Mount
  • Package / Case: 8-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 8-SOIC
pacote: 8-SOIC (0.154", 3.90mm Width)
Estoque6.208
RS422, RS485
1/1
Full
25mV
20Mbps
3 V ~ 5.5 V
-55°C ~ 125°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
LTC2877HMSE#TRPBF
Linear Technology

IC TXRX RS485 60V PROFI 10MSOP

  • Type: Transceiver
  • Protocol: RS485
  • Number of Drivers/Receivers: 1/1
  • Duplex: Half
  • Receiver Hysteresis: 240mV
  • Data Rate: 20Mbps
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 125°C
  • Mounting Type: Surface Mount
  • Package / Case: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
  • Supplier Device Package: 10-MSOP-EP
pacote: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Estoque6.864
RS485
1/1
Half
240mV
20Mbps
4.5 V ~ 5.5 V
-40°C ~ 125°C
Surface Mount
10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
10-MSOP-EP
hot MAX3223CUP+T
Maxim Integrated

IC TXRX RS-232 W/SHTDWN 20TSSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 300mV
  • Data Rate: 120Kbps
  • Voltage - Supply: 3 V ~ 5.5 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-TSSOP (0.173", 4.40mm Width)
  • Supplier Device Package: 20-TSSOP
pacote: 20-TSSOP (0.173", 4.40mm Width)
Estoque18.996
RS232
2/2
Full
300mV
120Kbps
3 V ~ 5.5 V
0°C ~ 70°C
Surface Mount
20-TSSOP (0.173", 4.40mm Width)
20-TSSOP
hot MAX481ESA+T
Maxim Integrated

IC TXRX RS485/RS422 8-SOIC

  • Type: Transceiver
  • Protocol: RS422, RS485
  • Number of Drivers/Receivers: 1/1
  • Duplex: Half
  • Receiver Hysteresis: 70mV
  • Data Rate: 2.5Mbps
  • Voltage - Supply: 4.75 V ~ 5.25 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 8-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 8-SOIC
pacote: 8-SOIC (0.154", 3.90mm Width)
Estoque283.920
RS422, RS485
1/1
Half
70mV
2.5Mbps
4.75 V ~ 5.25 V
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
hot SN65HVD11QDR
Texas Instruments

IC RS485 TRANSCEIVER 3.3V 8-SOIC

  • Type: Transceiver
  • Protocol: RS422, RS485
  • Number of Drivers/Receivers: 1/1
  • Duplex: Half
  • Receiver Hysteresis: 35mV
  • Data Rate: 10Mbps
  • Voltage - Supply: 3 V ~ 3.6 V
  • Operating Temperature: -40°C ~ 125°C
  • Mounting Type: Surface Mount
  • Package / Case: 8-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 8-SOIC
pacote: 8-SOIC (0.154", 3.90mm Width)
Estoque65.100
RS422, RS485
1/1
Half
35mV
10Mbps
3 V ~ 3.6 V
-40°C ~ 125°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
TRS232ECPW
Texas Instruments

IC RS232 LINE DVR/RCVR 16-TSSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 250kbps
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 16-TSSOP (0.173", 4.40mm Width)
  • Supplier Device Package: 16-TSSOP
pacote: 16-TSSOP (0.173", 4.40mm Width)
Estoque4.672
RS232
2/2
Full
500mV
250kbps
4.5 V ~ 5.5 V
0°C ~ 70°C
Surface Mount
16-TSSOP (0.173", 4.40mm Width)
16-TSSOP
hot SN75ALS192DE4
Texas Instruments

IC QUAD DIFF LINE DRVR 16-SOIC

  • Type: Driver
  • Protocol: RS422, RS485
  • Number of Drivers/Receivers: 4/0
  • Duplex: -
  • Receiver Hysteresis: -
  • Data Rate: -
  • Voltage - Supply: 4.75 V ~ 5.25 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 16-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 16-SOIC
pacote: 16-SOIC (0.154", 3.90mm Width)
Estoque3.552
RS422, RS485
4/0
-
-
-
4.75 V ~ 5.25 V
0°C ~ 70°C
Surface Mount
16-SOIC (0.154", 3.90mm Width)
16-SOIC
MAX3227EETE+
Maxim Integrated

IC TXRX RS232 1MBPS SD 16TQFN

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 1/1
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 1Mbps
  • Voltage - Supply: 3 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 16-WQFN Exposed Pad
  • Supplier Device Package: 16-TQFN (5x5)
pacote: 16-WQFN Exposed Pad
Estoque4.192
RS232
1/1
Full
500mV
1Mbps
3 V ~ 5.5 V
-40°C ~ 85°C
Surface Mount
16-WQFN Exposed Pad
16-TQFN (5x5)
SN65HVD257DR
Texas Instruments

IC TXRX CAN 5V HS 8SOIC

  • Type: Transceiver
  • Protocol: CAN
  • Number of Drivers/Receivers: 1/1
  • Duplex: Half
  • Receiver Hysteresis: 200mV
  • Data Rate: 1Mbps
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 125°C
  • Mounting Type: Surface Mount
  • Package / Case: 8-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 8-SOIC
pacote: 8-SOIC (0.154", 3.90mm Width)
Estoque5.280
CAN
1/1
Half
200mV
1Mbps
4.5 V ~ 5.5 V
-40°C ~ 125°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
TD62004AFG,N,EL
Toshiba Semiconductor and Storage

IC DRIVER DARL SINK 7-CH 16-SOP

  • Type: Driver
  • Protocol: -
  • Number of Drivers/Receivers: 7/0
  • Duplex: -
  • Receiver Hysteresis: -
  • Data Rate: -
  • Voltage - Supply: 0 V ~ 50 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 16-SOIC (0.173", 4.40mm Width)
  • Supplier Device Package: 16-SOP
pacote: 16-SOIC (0.173", 4.40mm Width)
Estoque6.288
-
7/0
-
-
-
0 V ~ 50 V
-40°C ~ 85°C
Surface Mount
16-SOIC (0.173", 4.40mm Width)
16-SOP
hot SN65HVD3085ED
Texas Instruments

IC LO PWR RS-485 TXRX 8-SOIC

  • Type: Transceiver
  • Protocol: RS422, RS485
  • Number of Drivers/Receivers: 1/1
  • Duplex: Half
  • Receiver Hysteresis: 30mV
  • Data Rate: 1Mbps
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 8-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 8-SOIC
pacote: 8-SOIC (0.154", 3.90mm Width)
Estoque18.948
RS422, RS485
1/1
Half
30mV
1Mbps
4.5 V ~ 5.5 V
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
hot ADM487EARZ-REEL7
Analog Devices Inc.

IC TXRX HALF DUP RS485/422 8SOIC

  • Type: Transceiver
  • Protocol: RS422, RS485
  • Number of Drivers/Receivers: 1/1
  • Duplex: Half
  • Receiver Hysteresis: 70mV
  • Data Rate: 250kbps
  • Voltage - Supply: 4.75 V ~ 5.25 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 8-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 8-SOIC
pacote: 8-SOIC (0.154", 3.90mm Width)
Estoque433.512
RS422, RS485
1/1
Half
70mV
250kbps
4.75 V ~ 5.25 V
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
MAX3384ECWN+
Maxim Integrated

IC TXRX RS232 250KBPS 18-SOIC

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 250kbps
  • Voltage - Supply: 3 V ~ 5.5 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 18-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 18-SOIC
pacote: 18-SOIC (0.295", 7.50mm Width)
Estoque10.248
RS232
2/2
Full
500mV
250kbps
3 V ~ 5.5 V
0°C ~ 70°C
Surface Mount
18-SOIC (0.295", 7.50mm Width)
18-SOIC
ISL32496EIBZ
Intersil

IC TXRX RS485 FAULT PROT 14SOIC

  • Type: Transceiver
  • Protocol: RS422, RS485
  • Number of Drivers/Receivers: 1/1
  • Duplex: Full
  • Receiver Hysteresis: 25mV
  • Data Rate: 15Mbps
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 14-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 14-SOIC
pacote: 14-SOIC (0.154", 3.90mm Width)
Estoque7.764
RS422, RS485
1/1
Full
25mV
15Mbps
4.5 V ~ 5.5 V
-40°C ~ 85°C
Surface Mount
14-SOIC (0.154", 3.90mm Width)
14-SOIC
hot MAX1482EPD+
Maxim Integrated

IC TXRX RS485/RS422 LP 14-DIP

  • Type: Transceiver
  • Protocol: RS422, RS485
  • Number of Drivers/Receivers: 1/1
  • Duplex: Full
  • Receiver Hysteresis: 75mV
  • Data Rate: 250kbps
  • Voltage - Supply: 4.75 V ~ 5.25 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Through Hole
  • Package / Case: 14-DIP (0.300", 7.62mm)
  • Supplier Device Package: 14-PDIP
pacote: 14-DIP (0.300", 7.62mm)
Estoque4.400
RS422, RS485
1/1
Full
75mV
250kbps
4.75 V ~ 5.25 V
-40°C ~ 85°C
Through Hole
14-DIP (0.300", 7.62mm)
14-PDIP
hot ST3243EBTR
STMicroelectronics

IC TXRX 5.5V RS232 28 TSSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 3/5
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 400kbps
  • Voltage - Supply: 3 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 28-TSSOP (0.173", 4.40mm Width)
  • Supplier Device Package: 28-TSSOP
pacote: 28-TSSOP (0.173", 4.40mm Width)
Estoque435.324
RS232
3/5
Full
500mV
400kbps
3 V ~ 5.5 V
-40°C ~ 85°C
Surface Mount
28-TSSOP (0.173", 4.40mm Width)
28-TSSOP
MAX3223CUP+TG24
Maxim Integrated

INTEGRATED CIRCUIT

  • Type: -
  • Protocol: -
  • Number of Drivers/Receivers: -
  • Duplex: -
  • Receiver Hysteresis: -
  • Data Rate: -
  • Voltage - Supply: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
pacote: -
Estoque3.280
-
-
-
-
-
-
-
-
-
-
EL9110IUZE9049
Renesas Electronics America

IC RECEIVR/EQUALIZER DIFF 16QSOP

  • Type: Receiver
  • Protocol: -
  • Number of Drivers/Receivers: 0/1
  • Duplex: -
  • Receiver Hysteresis: -
  • Data Rate: -
  • Voltage - Supply: 5V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
pacote: -
Estoque7.696
-
0/1
-
-
-
5V
-40°C ~ 85°C
-
-
-
ICL3245IV-T
Renesas Electronics America

IC TXRX 3/5 RS232 FULL 28TSSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 3/5
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 1Mbps
  • Voltage - Supply: 3 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 28-TSSOP (0.173", 4.40mm Width)
  • Supplier Device Package: 28-TSSOP
pacote: 28-TSSOP (0.173", 4.40mm Width)
Estoque4.784
RS232
3/5
Full
500mV
1Mbps
3 V ~ 5.5 V
-40°C ~ 85°C
Surface Mount
28-TSSOP (0.173", 4.40mm Width)
28-TSSOP
ICL3245EIB-T
Renesas Electronics America

IC TXRX RS232 250KBPS 28SOIC W

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 3/5
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 1Mbps
  • Voltage - Supply: 3 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 28-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 28-SOIC
pacote: 28-SOIC (0.295", 7.50mm Width)
Estoque5.808
RS232
3/5
Full
500mV
1Mbps
3 V ~ 5.5 V
-40°C ~ 85°C
Surface Mount
28-SOIC (0.295", 7.50mm Width)
28-SOIC
hot ISL3179EIBZ-T
Renesas Electronics America

IC TXRX 3.3V RS485 RS422 8SOIC

  • Type: Transceiver
  • Protocol: RS422, RS485
  • Number of Drivers/Receivers: 1/1
  • Duplex: Half
  • Receiver Hysteresis: 28mV
  • Data Rate: 40Mbps
  • Voltage - Supply: 3 V ~ 3.6 V
  • Operating Temperature: -40°C ~ 125°C
  • Mounting Type: Surface Mount
  • Package / Case: 8-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 8-SOIC
pacote: 8-SOIC (0.154", 3.90mm Width)
Estoque13.236
RS422, RS485
1/1
Half
28mV
40Mbps
3 V ~ 3.6 V
-40°C ~ 125°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
TCAN1057AVDRBRQ1
Texas Instruments

IC TRANSCEIVER HALF 1/1 8SON

  • Type: Transceiver
  • Protocol: CANbus
  • Number of Drivers/Receivers: 1/1
  • Duplex: Half
  • Receiver Hysteresis: 115 mV
  • Data Rate: 8Mbps
  • Voltage - Supply: 4.5V ~ 5.5V
  • Operating Temperature: -40°C ~ 150°C (TJ)
  • Mounting Type: Surface Mount, Wettable Flank
  • Package / Case: 8-VDFN Exposed Pad
  • Supplier Device Package: 8-SON (3x3)
pacote: -
Request a Quote
CANbus
1/1
Half
115 mV
8Mbps
4.5V ~ 5.5V
-40°C ~ 150°C (TJ)
Surface Mount, Wettable Flank
8-VDFN Exposed Pad
8-SON (3x3)
LT3960JMSE-TRPBF
Analog Devices Inc.

IC TRANSCEIVER FULL 1/1 10MSOP

  • Type: Transceiver
  • Protocol: CANbus
  • Number of Drivers/Receivers: 1/1
  • Duplex: Full
  • Receiver Hysteresis: 150 mV
  • Data Rate: 400kbps
  • Voltage - Supply: 4V ~ 60V
  • Operating Temperature: -40°C ~ 150°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
  • Supplier Device Package: 10-MSOP-EP
pacote: -
Estoque945
CANbus
1/1
Full
150 mV
400kbps
4V ~ 60V
-40°C ~ 150°C (TJ)
Surface Mount
10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
10-MSOP-EP
LTC1323CSW
Linear Technology

IC LINE TRANSCEIVER

  • Type: -
  • Protocol: -
  • Number of Drivers/Receivers: -
  • Duplex: -
  • Receiver Hysteresis: -
  • Data Rate: -
  • Voltage - Supply: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
pacote: -
Request a Quote
-
-
-
-
-
-
-
-
-
-
BCM65840IFBG
Broadcom Limited

IC MULTI-MODE ADSL2+/VDSL2

  • Type: -
  • Protocol: -
  • Number of Drivers/Receivers: -
  • Duplex: -
  • Receiver Hysteresis: -
  • Data Rate: -
  • Voltage - Supply: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
pacote: -
Request a Quote
-
-
-
-
-
-
-
-
-
-
SNJ55ALS056J
Texas Instruments

IC BUS DRIVER/TRANSCEIVER

  • Type: -
  • Protocol: -
  • Number of Drivers/Receivers: -
  • Duplex: -
  • Receiver Hysteresis: -
  • Data Rate: -
  • Voltage - Supply: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
pacote: -
Request a Quote
-
-
-
-
-
-
-
-
-
-
BCM5481UA2KMLG
Broadcom Limited

IC 1-PORT GE PHY RGMII COPPER

  • Type: -
  • Protocol: -
  • Number of Drivers/Receivers: -
  • Duplex: -
  • Receiver Hysteresis: -
  • Data Rate: -
  • Voltage - Supply: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
pacote: -
Request a Quote
-
-
-
-
-
-
-
-
-
-