|
|
RS-422/RS-485 Interface IC +/-70-V fault-protec ted 3.3-V to 5-V RS-
- THVD2410DRG4
- Texas Instruments
-
1:
£4.30
-
2,827In Stock
-
New Product
|
Mouser Part No
595-THVD2410DRG4
New Product
|
Texas Instruments
|
RS-422/RS-485 Interface IC +/-70-V fault-protec ted 3.3-V to 5-V RS-
|
|
2,827In Stock
|
|
|
£4.30
|
|
|
£2.99
|
|
|
£2.79
|
|
|
£2.45
|
|
|
View
|
|
|
£1.69
|
|
|
£2.33
|
|
|
£2.09
|
|
|
£1.75
|
|
|
£1.69
|
|
Min.: 1
Mult.: 1
|
|
|
THVD2410DRG4
|
SMD/SMT
|
SOIC-8
|
Transceiver
|
1 Driver
|
1 Receiver
|
500 kbps
|
5.5 V
|
3 V
|
- 40 C
|
+ 125 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
RS-422/RS-485 Interface IC Hi-Output Full-dplx Driver and Receiver A 595-SN65HVD55D
- SN65HVD55DR
- Texas Instruments
-
1:
£3.15
-
15,301In Stock
|
Mouser Part No
595-SN65HVD55DR
|
Texas Instruments
|
RS-422/RS-485 Interface IC Hi-Output Full-dplx Driver and Receiver A 595-SN65HVD55D
|
|
15,301In Stock
|
|
|
£3.15
|
|
|
£2.39
|
|
|
£2.20
|
|
|
£1.99
|
|
|
View
|
|
|
£1.72
|
|
|
£1.89
|
|
|
£1.82
|
|
|
£1.77
|
|
|
£1.72
|
|
Min.: 1
Mult.: 1
|
|
|
SN65HVD55
|
SMD/SMT
|
SOIC-14
|
Transceiver
|
1 Driver
|
1 Receiver
|
1 Mb/s
|
5 V
|
5 V
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
RS-422/RS-485 Interface IC Enhanced Product qua d RS-485/RS-422 dif
- 65LBC174AM16DWREP
- Texas Instruments
-
1:
£15.98
-
1,856In Stock
|
Mouser Part No
595-5LBC174AM16DWREP
|
Texas Instruments
|
RS-422/RS-485 Interface IC Enhanced Product qua d RS-485/RS-422 dif
|
|
1,856In Stock
|
|
|
£15.98
|
|
|
£12.96
|
|
|
£12.23
|
|
|
£11.17
|
|
|
View
|
|
|
£9.75
|
|
|
£10.72
|
|
|
£10.35
|
|
|
£10.23
|
|
|
£9.75
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
SN65LBC174A
|
SMD/SMT
|
SOIC-16
|
Driver
|
4 Driver
|
0 Receiver
|
30 Mb/s
|
5.25 V
|
4.75 V
|
- 55 C
|
+ 125 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
RS-422/RS-485 Interface IC DOM MODE MULTIPOINT XCVR
- DS36277TMX/NOPB
- Texas Instruments
-
1:
£2.33
-
23,534In Stock
|
Mouser Part No
926-DS36277TMX/NOPB
|
Texas Instruments
|
RS-422/RS-485 Interface IC DOM MODE MULTIPOINT XCVR
|
|
23,534In Stock
|
|
|
£2.33
|
|
|
£1.75
|
|
|
£1.60
|
|
|
£1.44
|
|
|
£1.23
|
|
|
View
|
|
|
£1.36
|
|
|
£1.32
|
|
|
£1.27
|
|
|
£1.20
|
|
Min.: 1
Mult.: 1
|
|
|
DS36277
|
SMD/SMT
|
SOIC-8
|
Transceiver
|
1 Driver
|
1 Receiver
|
20 Mb/s
|
5 V
|
5 V
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
RS-422/RS-485 Interface IC EMC protected 50-Mb ps half-duplex 5-k A A 595-ISO1450DWR
- ISO1450DW
- Texas Instruments
-
1:
£4.80
-
7,978In Stock
|
Mouser Part No
595-ISO1450DW
|
Texas Instruments
|
RS-422/RS-485 Interface IC EMC protected 50-Mb ps half-duplex 5-k A A 595-ISO1450DWR
|
|
7,978In Stock
|
|
|
£4.80
|
|
|
£3.69
|
|
|
£3.30
|
|
|
£3.07
|
|
|
View
|
|
|
£2.86
|
|
|
£2.78
|
|
Min.: 1
Mult.: 1
|
|
|
ISO1450
|
SMD/SMT
|
SOIC-16
|
Transceiver
|
1 Driver
|
1 Receiver
|
50 Mb/s
|
5.5 V
|
1.71 V
|
- 40 C
|
+ 125 C
|
Tube
|
|
|
|
RS-422/RS-485 Interface IC 1-Mbps half-duplex 3 -kVrms ultra-small A A 595-ISO1500DBQR
- ISO1500DBQ
- Texas Instruments
-
1:
£3.94
-
15,661In Stock
|
Mouser Part No
595-ISO1500DBQ
|
Texas Instruments
|
RS-422/RS-485 Interface IC 1-Mbps half-duplex 3 -kVrms ultra-small A A 595-ISO1500DBQR
|
|
15,661In Stock
|
|
|
£3.94
|
|
|
£3.00
|
|
|
£2.44
|
|
|
£2.37
|
|
|
View
|
|
|
£2.30
|
|
|
£2.23
|
|
Min.: 1
Mult.: 1
|
|
|
ISO1500
|
SMD/SMT
|
SSOP-16
|
Transceiver
|
1 Driver
|
1 Receiver
|
1 Mb/s
|
5.5 V
|
1.71 V
|
- 40 C
|
+ 125 C
|
Tube
|
|
|
|
RS-422/RS-485 Interface IC EMC protected 500-K bps half-duplex 5- A A 595-ISO1410BDWR
- ISO1410BDW
- Texas Instruments
-
1:
£4.40
-
4,727In Stock
|
Mouser Part No
595-ISO1410BDW
|
Texas Instruments
|
RS-422/RS-485 Interface IC EMC protected 500-K bps half-duplex 5- A A 595-ISO1410BDWR
|
|
4,727In Stock
|
|
|
£4.40
|
|
|
£3.38
|
|
|
£3.01
|
|
|
£2.80
|
|
|
View
|
|
|
£2.68
|
|
|
£2.60
|
|
|
£2.55
|
|
|
£2.47
|
|
Min.: 1
Mult.: 1
|
|
|
ISO1410
|
SMD/SMT
|
SOIC-16
|
Transceiver
|
1 Driver
|
1 Receiver
|
500 kb/s
|
5.5 V
|
1.71 V
|
- 40 C
|
+ 125 C
|
Tube
|
|
|
|
RS-422/RS-485 Interface IC Differential Bus Tra nsceiver ALT 595-SN ALT 595-SN75176BDR
- SN75176BDRE4
- Texas Instruments
-
1:
£0.978
-
2,364In Stock
|
Mouser Part No
595-SN75176BDRE4
|
Texas Instruments
|
RS-422/RS-485 Interface IC Differential Bus Tra nsceiver ALT 595-SN ALT 595-SN75176BDR
|
|
2,364In Stock
|
|
|
£0.978
|
|
|
£0.711
|
|
|
£0.643
|
|
|
£0.569
|
|
|
£0.477
|
|
|
View
|
|
|
£0.533
|
|
|
£0.512
|
|
|
£0.495
|
|
|
£0.453
|
|
Min.: 1
Mult.: 1
|
|
|
SN75176B
|
SMD/SMT
|
SOIC-8
|
Transceiver
|
1 Driver
|
1 Receiver
|
10 Mb/s
|
5.25 V
|
4.75 V
|
0 C
|
+ 70 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
RS-422/RS-485 Interface IC EMC protected 12-Mb ps half-duplex 5-k A A 595-ISO1430BDWR
- ISO1430BDW
- Texas Instruments
-
1:
£4.40
-
960In Stock
|
Mouser Part No
595-ISO1430BDW
|
Texas Instruments
|
RS-422/RS-485 Interface IC EMC protected 12-Mb ps half-duplex 5-k A A 595-ISO1430BDWR
|
|
960In Stock
|
|
|
£4.40
|
|
|
£3.37
|
|
|
£2.55
|
|
|
£2.44
|
|
|
View
|
|
|
£2.39
|
|
|
£2.38
|
|
Min.: 1
Mult.: 1
|
|
|
ISO1430
|
SMD/SMT
|
SOIC-16
|
Transceiver
|
1 Driver
|
1 Receiver
|
12 Mb/s
|
5.5 V
|
1.71 V
|
- 40 C
|
+ 125 C
|
Tube
|
|
|
|
RS-422/RS-485 Interface IC 70V Fault-Prot RS485 Transceivers
- SN65HVD1785P
- Texas Instruments
-
1:
£5.45
-
1,935In Stock
|
Mouser Part No
595-SN65HVD1785P
|
Texas Instruments
|
RS-422/RS-485 Interface IC 70V Fault-Prot RS485 Transceivers
|
|
1,935In Stock
|
|
|
£5.45
|
|
|
£4.20
|
|
|
£3.69
|
|
|
£3.54
|
|
|
View
|
|
|
£3.38
|
|
|
£3.28
|
|
|
£3.20
|
|
|
£3.12
|
|
Min.: 1
Mult.: 1
|
|
|
SN65HVD1785
|
Through Hole
|
PDIP-8
|
Transceiver
|
1 Driver
|
1 Receiver
|
115 kb/s
|
5.5 V
|
4.5 V
|
- 40 C
|
+ 105 C
|
Tube
|
|
|
|
RS-422/RS-485 Interface IC EMC protected 500-K bps full-duplex 5- A A 595-ISO1412DWR
- ISO1412DW
- Texas Instruments
-
1:
£4.80
-
1,197In Stock
|
Mouser Part No
595-ISO1412DW
|
Texas Instruments
|
RS-422/RS-485 Interface IC EMC protected 500-K bps full-duplex 5- A A 595-ISO1412DWR
|
|
1,197In Stock
|
|
|
£4.80
|
|
|
£3.69
|
|
|
£3.30
|
|
|
£3.00
|
|
|
View
|
|
|
£2.92
|
|
|
£2.87
|
|
|
£2.80
|
|
|
£2.72
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
ISO1412
|
SMD/SMT
|
SOIC-16
|
Transceiver
|
1 Driver
|
1 Receiver
|
500 kb/s
|
5.5 V
|
1.71 V
|
- 40 C
|
+ 125 C
|
Tube
|
|
|
|
RS-422/RS-485 Interface IC EMC protected 12-Mb ps half-duplex 5-k A A 595-ISO1430DWR
- ISO1430DW
- Texas Instruments
-
1:
£4.80
-
1,637In Stock
|
Mouser Part No
595-ISO1430DW
|
Texas Instruments
|
RS-422/RS-485 Interface IC EMC protected 12-Mb ps half-duplex 5-k A A 595-ISO1430DWR
|
|
1,637In Stock
|
|
|
£4.80
|
|
|
£3.69
|
|
|
£3.30
|
|
|
£3.07
|
|
|
View
|
|
|
£2.94
|
|
|
£2.91
|
|
|
£2.80
|
|
|
£2.72
|
|
Min.: 1
Mult.: 1
|
|
|
ISO1430
|
SMD/SMT
|
SOIC-16
|
Transceiver
|
1 Driver
|
1 Receiver
|
12 Mb/s
|
5.5 V
|
1.71 V
|
- 40 C
|
+ 125 C
|
Tube
|
|
|
|
RS-422/RS-485 Interface IC Quadruple Diff Line Receiver A 595-SN651 A 595-SN65175D
- SN65175DR
- Texas Instruments
-
1:
£3.00
-
2,461In Stock
|
Mouser Part No
595-SN65175DR
|
Texas Instruments
|
RS-422/RS-485 Interface IC Quadruple Diff Line Receiver A 595-SN651 A 595-SN65175D
|
|
2,461In Stock
|
|
|
£3.00
|
|
|
£2.28
|
|
|
£2.09
|
|
|
£1.89
|
|
|
View
|
|
|
£1.63
|
|
|
£1.80
|
|
|
£1.74
|
|
|
£1.68
|
|
|
£1.63
|
|
Min.: 1
Mult.: 1
|
|
|
SN65175
|
SMD/SMT
|
SOIC-16
|
Receiver
|
0 Driver
|
4 Receiver
|
40 Mb/s
|
5 V
|
5 V
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
RS-422/RS-485 Interface IC EMC protected 500-K bps half-duplex 5- A A 595-ISO1410DWR
- ISO1410DW
- Texas Instruments
-
1:
£4.80
-
2,199In Stock
|
Mouser Part No
595-ISO1410DW
|
Texas Instruments
|
RS-422/RS-485 Interface IC EMC protected 500-K bps half-duplex 5- A A 595-ISO1410DWR
|
|
2,199In Stock
|
|
|
£4.80
|
|
|
£3.69
|
|
|
£2.97
|
|
|
£2.82
|
|
|
View
|
|
|
£2.73
|
|
|
£2.68
|
|
|
£2.64
|
|
Min.: 1
Mult.: 1
|
|
|
ISO1410
|
SMD/SMT
|
SOIC-16
|
Transceiver
|
1 Driver
|
1 Receiver
|
500 kb/s
|
5.5 V
|
1.71 V
|
- 40 C
|
+ 125 C
|
Tube
|
|
|
|
RS-422/RS-485 Interface IC 70-V Fault-Protected RS-485 A 595-SN65HV A 595-SN65HVD1787DR
- SN65HVD1787D
- Texas Instruments
-
1:
£3.78
-
2,047In Stock
|
Mouser Part No
595-SN65HVD1787D
|
Texas Instruments
|
RS-422/RS-485 Interface IC 70-V Fault-Protected RS-485 A 595-SN65HV A 595-SN65HVD1787DR
|
|
2,047In Stock
|
|
|
£3.78
|
|
|
£2.90
|
|
|
£2.48
|
|
|
£2.42
|
|
Min.: 1
Mult.: 1
|
|
|
SN65HVD1787
|
SMD/SMT
|
SOIC-8
|
Transceiver
|
1 Driver
|
1 Receiver
|
10 Mb/s
|
5.5 V
|
4.5 V
|
- 40 C
|
+ 105 C
|
Tube
|
|
|
|
RS-422/RS-485 Interface IC 3V Full-Duplex RS 48 5 Drvr & Rcvr A 595 A 595-SN65HVD33RHLT
- SN65HVD33RHLR
- Texas Instruments
-
1:
£3.33
-
1,647In Stock
|
Mouser Part No
595-SN65HVD33RHLR
|
Texas Instruments
|
RS-422/RS-485 Interface IC 3V Full-Duplex RS 48 5 Drvr & Rcvr A 595 A 595-SN65HVD33RHLT
|
|
1,647In Stock
|
|
|
£3.33
|
|
|
£2.52
|
|
|
£2.33
|
|
|
£2.10
|
|
|
View
|
|
|
£1.82
|
|
|
£2.00
|
|
|
£1.94
|
|
|
£1.89
|
|
|
£1.82
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
SN65HVD33
|
SMD/SMT
|
VQFN-20
|
Transceiver
|
1 Driver
|
1 Receiver
|
26 Mb/s
|
3.6 V
|
3 V
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
RS-422/RS-485 Interface IC 3.3-V to 5-V RS-485 transceiver with +/- A 595-THVD1450DRBR
- THVD1450DRBT
- Texas Instruments
-
1:
£3.01
-
1,816In Stock
|
Mouser Part No
595-THVD1450DRBT
|
Texas Instruments
|
RS-422/RS-485 Interface IC 3.3-V to 5-V RS-485 transceiver with +/- A 595-THVD1450DRBR
|
|
1,816In Stock
|
|
|
£3.01
|
|
|
£2.28
|
|
|
£2.10
|
|
|
£1.89
|
|
|
£1.64
|
|
|
View
|
|
|
£1.60
|
|
|
£1.58
|
|
Min.: 1
Mult.: 1
|
|
|
THVD1450
|
SMD/SMT
|
SON-8
|
Transceiver
|
1 Driver
|
1 Receiver
|
50 Mb/s
|
5 V
|
3 V
|
- 40 C
|
+ 125 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
RS-422/RS-485 Interface IC 70V Fault-Prot RS485 Xcvr A 595-SN65HVD1 A 595-SN65HVD1794DR
- SN65HVD1794D
- Texas Instruments
-
1:
£2.48
-
4,055In Stock
|
Mouser Part No
595-SN65HVD1794D
|
Texas Instruments
|
RS-422/RS-485 Interface IC 70V Fault-Prot RS485 Xcvr A 595-SN65HVD1 A 595-SN65HVD1794DR
|
|
4,055In Stock
|
|
|
£2.48
|
|
|
£2.07
|
|
|
£1.88
|
|
Min.: 1
Mult.: 1
|
|
|
SN65HVD1794
|
SMD/SMT
|
SOIC-8
|
Transceiver
|
1 Driver
|
1 Receiver
|
115 kb/s
|
5.5 V
|
4.5 V
|
- 40 C
|
+ 105 C
|
Tube
|
|
|
|
RS-422/RS-485 Interface IC 70-V Fault-Protected RS-485 A 595-SN65HV A 595-SN65HVD1786DR
- SN65HVD1786D
- Texas Instruments
-
1:
£3.92
-
1,398In Stock
|
Mouser Part No
595-SN65HVD1786D
|
Texas Instruments
|
RS-422/RS-485 Interface IC 70-V Fault-Protected RS-485 A 595-SN65HV A 595-SN65HVD1786DR
|
|
1,398In Stock
|
|
|
£3.92
|
|
|
£2.99
|
|
|
£2.44
|
|
|
£2.39
|
|
|
View
|
|
|
£2.37
|
|
|
£2.20
|
|
|
£2.17
|
|
Min.: 1
Mult.: 1
|
|
|
SN65HVD1786
|
SMD/SMT
|
SOIC-8
|
Transceiver
|
1 Driver
|
1 Receiver
|
1 Mb/s
|
5.5 V
|
4.5 V
|
- 40 C
|
+ 105 C
|
Tube
|
|
|
|
RS-422/RS-485 Interface IC Differential Bus Tra nsceiver ALT 595-SN ALT 595-SN75176ADR
- SN75176ADRE4
- Texas Instruments
-
1:
£1.16
-
2,551In Stock
|
Mouser Part No
595-SN75176ADRE4
|
Texas Instruments
|
RS-422/RS-485 Interface IC Differential Bus Tra nsceiver ALT 595-SN ALT 595-SN75176ADR
|
|
2,551In Stock
|
|
|
£1.16
|
|
|
£0.546
|
|
|
£0.545
|
|
Min.: 1
Mult.: 1
|
|
|
SN75176A
|
SMD/SMT
|
SOIC-8
|
Transceiver
|
1 Driver
|
1 Receiver
|
10 Mb/s
|
5.25 V
|
4.75 V
|
0 C
|
+ 70 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
RS-422/RS-485 Interface IC Differential Bus Tra nsceiver ALT 595-SN ALT 595-SN75176ADR
- SN75176ADRG4
- Texas Instruments
-
1:
£1.18
-
2,268In Stock
|
Mouser Part No
595-SN75176ADRG4
|
Texas Instruments
|
RS-422/RS-485 Interface IC Differential Bus Tra nsceiver ALT 595-SN ALT 595-SN75176ADR
|
|
2,268In Stock
|
|
|
£1.18
|
|
|
£0.523
|
|
|
£0.519
|
|
Min.: 1
Mult.: 1
|
|
|
SN75176A
|
SMD/SMT
|
SOIC-8
|
Transceiver
|
1 Driver
|
1 Receiver
|
10 Mb/s
|
5.25 V
|
4.75 V
|
0 C
|
+ 70 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
RS-422/RS-485 Interface IC Differential Bus Tra nsceiver ALT 595-SN ALT 595-SN75176BDR
- SN75176BDRG4
- Texas Instruments
-
1:
£1.01
-
5,889In Stock
|
Mouser Part No
595-SN75176BDRG4
|
Texas Instruments
|
RS-422/RS-485 Interface IC Differential Bus Tra nsceiver ALT 595-SN ALT 595-SN75176BDR
|
|
5,889In Stock
|
|
|
£1.01
|
|
|
£0.96
|
|
|
£0.934
|
|
|
£0.78
|
|
|
£0.449
|
|
|
View
|
|
|
£0.687
|
|
|
£0.651
|
|
|
£0.546
|
|
|
£0.442
|
|
Min.: 1
Mult.: 1
|
|
|
SN75176B
|
SMD/SMT
|
SOIC-8
|
Transceiver
|
1 Driver
|
1 Receiver
|
10 Mb/s
|
5.25 V
|
4.75 V
|
0 C
|
+ 70 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
RS-422/RS-485 Interface IC 3.3-V to 5-V RS-485 transceiver with +/- A 595-THVD1410DGK
- THVD1410DGKR
- Texas Instruments
-
1:
£1.50
-
3,131In Stock
|
Mouser Part No
595-THVD1410DGKR
|
Texas Instruments
|
RS-422/RS-485 Interface IC 3.3-V to 5-V RS-485 transceiver with +/- A 595-THVD1410DGK
|
|
3,131In Stock
|
|
|
£1.50
|
|
|
£1.11
|
|
|
£1.01
|
|
|
£0.899
|
|
|
£0.759
|
|
|
View
|
|
|
£0.849
|
|
|
£0.818
|
|
|
£0.796
|
|
|
£0.746
|
|
Min.: 1
Mult.: 1
|
|
|
THVD1410
|
SMD/SMT
|
VSSOP-8
|
Transceiver
|
1 Driver
|
1 Receiver
|
500 kb/s
|
5.5 V
|
3 V
|
- 40 C
|
+ 125 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
RS-422/RS-485 Interface IC EMC protected 500-K bps full-duplex 5- A A 595-ISO1412BDWR
- ISO1412BDW
- Texas Instruments
-
1:
£4.40
-
2,309In Stock
|
Mouser Part No
595-ISO1412BDW
|
Texas Instruments
|
RS-422/RS-485 Interface IC EMC protected 500-K bps full-duplex 5- A A 595-ISO1412BDWR
|
|
2,309In Stock
|
|
|
£4.40
|
|
|
£3.37
|
|
|
£3.00
|
|
|
£2.78
|
|
|
View
|
|
|
£2.68
|
|
|
£2.65
|
|
|
£2.55
|
|
|
£2.47
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
ISO1412
|
SMD/SMT
|
SOIC-16
|
Transceiver
|
1 Driver
|
1 Receiver
|
500 kb/s
|
5.5 V
|
1.71 V
|
- 40 C
|
+ 125 C
|
Tube
|
|
|
|
RS-422/RS-485 Interface IC Dual Diff
- SN75ALS1177NSR
- Texas Instruments
-
1:
£5.76
-
1,121In Stock
|
Mouser Part No
595-SN75ALS1177NSR
|
Texas Instruments
|
RS-422/RS-485 Interface IC Dual Diff
|
|
1,121In Stock
|
|
|
£5.76
|
|
|
£4.45
|
|
|
£4.12
|
|
|
£3.77
|
|
|
View
|
|
|
£3.32
|
|
|
£3.60
|
|
|
£3.49
|
|
|
£3.40
|
|
|
£3.32
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
SN75ALS1177
|
SMD/SMT
|
SOIC-16
|
Transceiver
|
2 Driver
|
2 Receiver
|
10 Mb/s
|
5 V
|
5 V
|
0 C
|
+ 70 C
|
Reel, Cut Tape, MouseReel
|
|
United Kingdom