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HD29050 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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HD29050 Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers |
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HD29050 Dual Differential Line Drivers / ReceiversWith 3 State Outputs The HD29050 features differential line drivers / receivers with three state output designed to meet the spec of EIA RS – 422A and 423A. Each device has two drivers / receivers in a 16 pin package. The device becomes in enable state when active high for a driver and active low for a receiver. Features Function Table Pin Arrangement (Top View) • Built in current restriction when short circuit • Power up / down protection. • High output current I OH = –40 mA IOL = 40 mA Driver • Input hysteresis (Typ. 50 mV) • In phase input voltage ±200 mV of input sensitivity in the range –7 to +12 V. Receiver H L X H L Drivers Input A Enable Output Y Output Z L HH L H ZZ High level Low level High impedance Immaterial Irrelevant H L Z X ? : : : : : VID ≥ 0.2 V Receivers Differential Input A – B Enable Output Y –0.2 V < VID < 0.2 V VID ≤ –0.2 V X L H ? L L H L Z VCC 1 2 3 4 5 6 7 8 R1B 9 10 11 12 13 14 15 16 R Enable R1A R1Y R2Y R2A R2B GND D1A D1Y D1Z D2Z D2Y D2A D Enable |
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