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ISL32179EFRZ-T
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Product Detailed Parameters
- Description：IC TRANSCEIVER 4/0 24QFN
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Series：-
- Type：Driver
- Protocol：RS422, RS485
- Number of Drivers/Receivers：4/0
- Duplex：-
- Data Rate：-
- Voltage - Supply：3V ~ 5.5V
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：24-VFQFN Exposed Pad
- Supplier Device Package：24-QFN (4x4)
- Receiver Hysteresis：-
- Grade：-
- Qualification：-
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Overview
The ISL32179EFRZ-T is a quad RS-422 driver integrated circuit manufactured by Renesas Electronics Corporation. It operates within a supply voltage range of 3 V to 5.5 V, supporting both 3.3 V and 5 V logic levels. The device delivers a data rate of 32 Mb/s and features an operating quiescent current of 800 uA. It provides electrostatic discharge (ESD) protection rated at 15 kV. The component is designed for surface mount installation in a QFN-EP-24 package. It functions reliably across an extended temperature range from -40°C to +125°C.
Feature Summary
- Provides four independent differential drivers for RS-422 communication
- Offers robust 15 kV ESD protection on I/O lines
- Supports high-speed data transmission up to 32 Mb/s
- Operates with low power consumption suitable for battery applications
Applications
- Industrial control systems requiring reliable serial communication
- Point-to-point or multi-drop networking interfaces
- Data acquisition equipment in harsh environments
Procurement Notes
Verify the specific suffix 'T' indicates reel packaging when sourcing. Confirm RoHS compliance status through official documentation as requirements vary by region. Check moisture sensitivity level handling instructions prior to assembly. Ensure the QFN-EP-24 footprint matches the design layout. Validate that the 3 V to 5.5 V supply range aligns with system power rails.
Selection Notes
Select this component when only transmitter functionality is required for RS-422 networks. Compare against transceiver options if receiver capability is also needed. Consider the 32 Mb/s speed limit against higher baud rate requirements. Evaluate the QFN-EP-24 thermal performance for dense PCB layouts. Verify compatibility with existing 3.3 V or 5 V logic families.
Part Context
This part belongs to the ISL32179E series of interface ICs. It serves as a dedicated driver solution within Renesas's portfolio of serial communication components. The series targets applications needing robust noise immunity and high-speed data transfer over twisted pair cables.
Replacement Considerations
Check for direct pin-compatible upgrades within the same family. Verify electrical parameters match exactly before substitution. Consult official cross-reference lists for approved alternatives.
