Anterwell Technology Ltd.
Large Original stock of IC Electronics Components, Transistors, Diodes etc.
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VCC To GND: | −0.3 V To +6 V | Digital Input/Output Voltage (DE, RE, DI): | −0.3 V To +6 V |
---|---|---|---|
Receiver Output Voltage (RO): | −0.3 V To (VCC + 0.3 V) | Driver Output (A, B, Y, Z)/Receiver Input (A, B) Voltage: | −8 V To +13 V |
Driver Output Current: | ±250 MA | ||
High Light: | programming ic chips,ic programmer circuit |
3.3 V, ±15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers
GENERAL DESCRIPTION
The ADM3070E to ADM3078E are 3.3 V, low power data transceivers with ±15 kV ESD protection suitable for full- and half-duplex communication on multipoint bus transmission lines. They are designed for balanced data transmission, and they comply with TIA/EIA standards RS-485 and RS-422.
The devices have an ⅛ unit load receiver input impedance, which allows up to 256 transceivers on a bus. Because only one driver should be enabled at any time, the output of a disabled or powered-down driver is tristated to avoid overloading the bus.
The receiver inputs have a true fail-safe feature, which eliminates the need for external bias resistors and ensures a logic high output level when the inputs are open or shorted. This guarantees that the receiver outputs are in a known state before communication begins and when communication ceases.
Notice
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
ABSOLUTE MAXIMUM RATINGS
Parameter |
Rating |
VCC to GND | −0.3 V to +6 V |
Digital Input/Output Voltage (DE, RE, DI) | −0.3 V to +6 V |
Receiver Output Voltage (RO | −0.3 V to (VCC + 0.3 V) |
Driver Output (A, B, Y, Z)/Receiver Input (A, B) Voltage | −8 V to +13 V |
Driver Output Current | ±250 mA |
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