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DS8922

Features: 12 ns typical propagation delayOutput skew-±0.5 ns typicalMeets the requirements of EIA Standard RS-422Complementary Driver OutputsHigh differential or common-mode input voltage ranges of ±7V±0.2V receiver sensitivity over the input voltage rangeReceiver input fail-safe circuitryReceiver...

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SeekIC No. : 004329270 Detail

DS8922: Features: 12 ns typical propagation delayOutput skew-±0.5 ns typicalMeets the requirements of EIA Standard RS-422Complementary Driver OutputsHigh differential or common-mode input voltage ranges of ...

DS8922 Data Sheet

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Part Number:
DS8922
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

 12 ns typical propagation delay
 Output skew-±0.5 ns typical
 Meets the requirements of EIA Standard RS-422
 Complementary Driver Outputs
 High differential or common-mode input voltage ranges of ±7V
 ±0.2V receiver sensitivity over the input voltage range
 Receiver input fail-safe circuitry
 Receiver input hysteresis-70 mV typical
 Glitch free power up/down
 TRI-STATE outputs


Pinout

Connection Diagram


Specifications

Supply Voltage ..................................................................7V
Drive Input Voltage ..........................................−0.5V to +7V
Output Voltage ..............................................................5.5V
Receiver Output Sink Current..................................... 50 mA
Receiver Input Voltage................................................. ±10V
Differential Input Voltage .............................................±12V
Maximum Package Power Dissipation @ +25°C
M Package .............................................................1300 mW
N Package .............................................................1450 mW
Derate M Package 10.4 mW/°C above +25°C
Derate N Package 11.6 mW/°C above +25°C
Storage Temperature Range ....................−65°C to +165°C
Lead Temp. (Soldering, 4 seconds) ............................260°C


Description

The DS8922/22A and DS8923A are Dual Differential Line Driver and Receiver pairs. These devices are designed specifically for applications meeting the ST506, ST412 and ESDI Disk Drive Standards. In addition, the devices meet the requirements of the EIA Standard RS-422.

These devices DS8922/22A and DS8923A offer an input sensitivity of 200 mV over a ±7V common mode operating range. Hysteresis is incorporated (typically 70 mV) to improve noise margin for slowly changing input waveforms. An input fail-safe circuit is provided such that if the receiver inputs are open the output assumes the logical one state.

The DS8922A and DS8923A drivers are designed to provide unipolar differential drive to twisted pair or parallel wire transmission lines. Complementary outputs are logically ANDed and provide an output skew of 0.5 ns (typ.) with propagation delays of 12 ns.

Both devices DS8922/22A and DS8923A feature TRI-STATE outputs. The DS8922/22A have independent control functions common to a driver and receiver pair. The DS8923A has separate driver and receiver control functions.

Power up/down circuitry is featured which will TRI-STATE the outputs and prevent erroneous glitches on the transmission lines during system power up or power down operation. The DS8922/22A and DS8923A are designed to be compatible with TTL and CMOS.




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