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Part Number: KKX485
Description: The KKX485 is low-power transceivers for RS-485 and RS- 422 communication. IC contains one driver and ...
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KKX485
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General Description
KKX485 General Description
The KKX485 is low-power transceivers for RS-485 and RS- 422 communication. IC contains one driver and one receiver. The driver slew rates of the KKX485 is not limited, allowing them to transmit up to 2.5Mbps.
These transceivers draw between 120A and 500A of supply current when unloaded or fully loaded with disabled drivers. All parts operate from a single 5V supply. Drivers are short-circuit current limited and are protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high-impedance state. The receiver input has a fail-safe feature that guarantees a logic-high output if the input is open circuit. The KKX485 is designed for half-duplex applications.
KKX485 Maximum Ratings
| Supply Voltage (VCC) 12V | Continuous Power Dissipation (TA= +70) |
| Control Input Voltage -0.5V to (VCC + 0.5V) | 8-Pin Plastic DIP (derate 9.09mW/ above +70) 727mW |
| Driver Input Voltage (DI) -0.5V to (VCC+ 0.5V) | 8-Pin SOP (derate 5.88mW/ above +70) 471mW |
| Driver Output Voltage (A, B) -8V to +12.5V | Operating Temperature Ranges 0 to +70 |
| Receiver Input Voltage (A, B) -8V to +12.5V | Storage Temperature Range -65 to +160 |
| Receiver Output Voltage (RO) -0.5V to (VCC+0.5V) | Lead Temperature (soldering, 10sec) +300 |
KKX485 Features
` Low Quiescent Current: 300A
` -7V to +12V Common-Mode Input Voltage Range
` Three-State Outputs
` 30ns Propagation Delays, 5ns Skew
` Full-Duplex and Half-Duplex Versions Available
` Operate from a Single 5V Supply
` Allows up to 32 Transceivers on the Bus
` Data rate: 2,5 Mbps
` Current-Limiting and Thermal Shutdown for Driver Overload Protection
` -7V to +12V Common-Mode Input Voltage Range
` Three-State Outputs
` 30ns Propagation Delays, 5ns Skew
` Full-Duplex and Half-Duplex Versions Available
` Operate from a Single 5V Supply
` Allows up to 32 Transceivers on the Bus
` Data rate: 2,5 Mbps
` Current-Limiting and Thermal Shutdown for Driver Overload Protection
KKX485 Connection Diagram
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- · EPCS4SI8
- 226669 KB
- · UTC2411
- 136508 KB
- ·(M5M410092B)
- Mitsubishi
- 3D-RAM
- 1268750 KB
- ·_FCQ30A06
- NIEC [Nihon Inter Electronics Corporation]
- LOW FORWARD VOLTAGE DROP
- 29515 KB
- ·0001.2501.PT
- Fuse
- 40400 KB
- ·0001.2501.TR
- Fuse
- 40400 KB
- ·0001.2502.PT
- Fuse
- 40400 KB
- ·0001.2502.TR
- Fuse
- 40400 KB
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