Part Details for SN65HVD21P by Texas Instruments
Results Overview of SN65HVD21P by Texas Instruments
- Distributor Offerings: (8 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (0 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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SN65HVD21P Information
SN65HVD21P by Texas Instruments is a Line Driver or Receiver.
Line Driver or Receivers are under the broader part category of Drivers And Interfaces.
A driver controls the current or voltage delivered to components like LCDs or motors, while an interface component connects systems for data transfer and control. Read more about Drivers And Interfaces on our Drivers And Interfaces part category page.
Price & Stock for SN65HVD21P
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
296-15096-5-ND
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DigiKey | IC TXRX 8-PDIP Min Qty: 400 Container: Tube |
0 Tube |
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$6.9500 | Buy Now |
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DISTI #
86018133
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Verical | Single Transmitter/Receiver RS-485 8-Pin PDIP Tube RoHS: Compliant Min Qty: 52 Package Multiple: 1 Date Code: 1101 | Americas - 81 |
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$7.2625 | Buy Now |
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DISTI #
595-SN65HVD21P
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Mouser Electronics | RS-485 Interface IC Extended Common-mode Transceiver RoHS: Compliant | 47 |
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$6.3600 / $10.5200 | Buy Now |
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Quest Components | LINE TRANSCEIVER, PDIP8 | 6 |
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$3.0300 / $6.0600 | Buy Now |
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Rochester Electronics | IC INTERFACE Transceiver RS485 5Mbps 4.5V - 5.5V 8-DIP Tube RoHS: Compliant Status: Active Min Qty: 1 | 147 |
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$4.6500 / $5.8100 | Buy Now |
|
DISTI #
86018133
|
Verical | Single Transmitter/Receiver RS-485 8-Pin PDIP Tube RoHS: Compliant Min Qty: 52 Package Multiple: 1 Date Code: 1101 | Americas - 81 |
|
$7.2625 | Buy Now |
|
DISTI #
86018133
|
Verical | Single Transmitter/Receiver RS-485 8-Pin PDIP Tube RoHS: Compliant Min Qty: 52 Package Multiple: 1 Date Code: 1101 | Americas - 81 |
|
$7.2625 | Buy Now |
|
|
Vyrian | Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BICMOS, PDIP8 | 9078 |
|
RFQ |
US Tariff Estimator: SN65HVD21P by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
SN65HVD21P CAD Models
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SN65HVD21P Part Data Attributes
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SN65HVD21P
Texas Instruments
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Datasheet
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SN65HVD21P
Texas Instruments
Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BICMOS, PDIP8
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | DIP | |
| Package Description | Pdip-8 | |
| Pin Count | 8 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.90 | |
| Differential Output | Yes | |
| Driver Number of Bits | 1 | |
| High Level Input Current-Max | 0.0001 A | |
| Input Characteristics | Differential Schmitt Trigger | |
| Interface IC Type | Line Transceiver | |
| Interface Standard | Eia-485-A; Tia-485-A | |
| JESD-30 Code | R-PDIP-T8 | |
| JESD-609 Code | e4 | |
| Length | 9.81 Mm | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Out Swing-Min | 1.8 V | |
| Output Characteristics | 3-State | |
| Output Low Current-Max | 0.0001 A | |
| Output Polarity | True | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | DIP | |
| Package Equivalence Code | DIP8,.4 | |
| Package Shape | Rectangular | |
| Package Style | In-Line | |
| Qualification Status | Not Qualified | |
| Receive Delay-Max | 50 Ns | |
| Receiver Number of Bits | 1 | |
| Seated Height-Max | 5.08 Mm | |
| Supply Current-Max | 12 Ma | |
| Supply Voltage-Max | 5.5 V | |
| Supply Voltage-Min | 4.5 V | |
| Supply Voltage-Nom | 5 V | |
| Supply Voltage1-Max | 5.5 V | |
| Supply Voltage1-Min | 4.5 V | |
| Supply Voltage1-Nom | 5 V | |
| Surface Mount | No | |
| Technology | Bicmos | |
| Temperature Grade | Industrial | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Dual | |
| Transmit Delay-Max | 60 Ns | |
| Width | 7.62 Mm |
SN65HVD21P Frequently Asked Questions (FAQ)
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The maximum cable length depends on the baud rate and the type of cable used. As a general rule, the maximum cable length is around 100 meters at 9600 bps, 50 meters at 19200 bps, and 20 meters at 38400 bps. However, it's recommended to consult the RS-485 standard and perform signal integrity analysis to determine the maximum cable length for a specific application.
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To prevent signal reflections, a termination resistor (typically 120 ohms) should be placed at both ends of the RS-485 bus. The termination resistor should be connected between the differential signal lines (A and B) and should be matched to the characteristic impedance of the cable.
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Yes, the SN65HVD21P can be used in a multi-point configuration. However, it's essential to ensure that only one device is transmitting at a time to prevent data corruption. A master-slave architecture or a token-passing protocol can be used to manage the transmission and reception of data in a multi-point configuration.
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The maximum number of devices that can be connected to the RS-485 bus depends on the bus loading and the type of devices used. As a general rule, up to 32 devices can be connected to the bus, but this number can be limited by the bus loading and the device's input impedance.
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Hot-swapping of devices on the RS-485 bus can cause signal disturbances and data corruption. To handle hot-swapping, it's recommended to use a bus repeater or a hub to isolate the devices and prevent signal reflections. Additionally, a fault-tolerant protocol can be used to detect and recover from errors caused by hot-swapping.