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DS89C21

Features: Meets TIA/EIA-422-A (RS-422) and CCITT V.11 recommendationLOW POWER design-15 mW typicalGuaranteed AC parameters:- Maximum driver skew 2.0 ns- Maximum receiver skew 4.0 nsExtended temperature range: −40°C to +85°CAvailable in SOIC packagingOperates over 20 MbpsReceiver OPEN input f...

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SeekIC No. : 004329277 Detail

DS89C21: Features: Meets TIA/EIA-422-A (RS-422) and CCITT V.11 recommendationLOW POWER design-15 mW typicalGuaranteed AC parameters:- Maximum driver skew 2.0 ns- Maximum receiver skew 4.0 nsExtended temperat...

DS89C21 Data Sheet

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Part Number:
DS89C21
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:

Meets TIA/EIA-422-A (RS-422) and CCITT V.11 recommendation
LOW POWER design-15 mW typical
Guaranteed AC parameters:
- Maximum driver skew 2.0 ns
- Maximum receiver skew 4.0 ns
Extended temperature range: −40°C to +85°C
Available in SOIC packaging
Operates over 20 Mbps
Receiver OPEN input failsafe feature




Pinout

Connection Diagram




Specifications

Supply Voltage (VCC) ...............................................7V
Driver Input Voltage (DI) .............−1.5V to VCC + 1.5V
Driver Output Voltage (DO, DO *)........... −0.5V to +7V
Receiver Input Voltage-VCM (RI, RI*) ................±14V
Differential Receiver Input ...................................±14V
Voltage-VDIFF (RI, RI*)
Receiver Output Voltage (RO)...... −0.5V to VCC +0.5V
Receiver Output Current (RO) .........................±25 mA
Storage Temperature Range (TSTG) −65°C to +150°C
Lead Temperature (TL) ...................................+260°C
(Soldering 4 sec.)
Maximum Junction
Temperature .....................................................150°C
Maximum Package Power Dissipation @+25°C
M Package ......................................................714 mW
Derate M Package ................5.7 mW/°C above +25°C

Drivers 1
Receivers 1
SupplyVoltage 5 Volt
Process CMOS
Temperature Min -40 deg C
Temperature Max 85 deg C
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Description

The DS89C21 is a differential CMOS line driver and receiver pair, designed to meet the requirements of TIA/EIA-422-A (RS-422) electrical characteristics interface standard. The DS89C21 provides one driver and one receiver in a minimum footprint. The device is offered in an 8-pin SOIC package. The CMOS design minimizes the supply current to 6 mA, making the device ideal for use in battery powered or power conscious applications.

The DS89C21 driver features a fast transition time specified at 2.2 ns, and a maximum differential skew of 2 ns making the driver ideal for use in high speed applications operating above 10 MHz.

The DS89C21 receiver can detect signals as low as 200 mV, and also incorporates hysteresis for noise rejection. Skew is specified at 4 ns maximum.

The DS89C21 is compatible with TTL and CMOS levels (DI and RO).






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