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DS8921

Features: 12 ns typical propagation delayOutput skew - 0.5 ns typicalMeet 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 hysteresis-70 mV typicalDS8...

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SeekIC No. : 004329269 Detail

DS8921: Features: 12 ns typical propagation delayOutput skew - 0.5 ns typicalMeet the requirements of EIA Standard RS-422Complementary Driver OutputsHigh differential or common-mode input voltage ranges of ...

DS8921 Data Sheet

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Part Number:
DS8921
Supply Ability:
5000

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  • 1~5000
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  • 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
Meet 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 hysteresis-70 mV typical
DS8921AT industrial temperature operation: (−40°C to +85°C)




Pinout

Connection Diagram




Specifications

Supply Voltage............................................................ 7V
Driver 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 .........................................................730 mW
N Package .......................................................1160 mW
Derate M Package 9.3 mW/°C above ...................+25°C
Derate N Package 5.8 mW/°C above ...................+25°C
Storage Temperature
Range .................................................−65°C to +165°C
Lead Temperature .............................................+260°C
(Soldering, 4 sec.) ..............................................+260°C
Maximum Junction
Temperature ......................................................+150°C

Drivers 1
Receivers 1
SupplyVoltage 5 Volt
Process Bipolar
Temperature Min -40, 0 deg C
Temperature Max 85, 70 deg C
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Description

The DS8921, DS8921A are Differential Line Driver and Receiver pairs designed specifically for applications meeting the ST506, ST412 and ESDI Disk Drive Standards. In addition, these devices meet the requirements of the EIA Standard RS-422.

The DS8921, DS8921A receivers 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.

The DS8921, DS8921A 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.

The DS8921, DS8921A are designed to be compatible with TTL and CMOS.






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