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STMicroelectronics · Other integrated circuits

ST491ACDR

IC TRANSCEIVER FULL 1/1 14SO

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ST491ACDR component illustration
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ST491ACDR specifications

Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.

ManufacturerSTMicroelectronics
Ordering codeST491ACDR
FamilyOther integrated circuits
Package14-SOIC (0.154", 3.90mm Width)
Product StatusObsolete
TypeTransceiver
ProtocolRS422, RS485
Number of Drivers/Receivers1/1
DuplexFull
Receiver Hysteresis70 mV
Data Rate50Mbps
Voltage - Supply4.5V ~ 5.5V
Operating Temperature-40°C ~ 85°C
Mounting TypeSurface Mount
Package / Case14-SOIC (0.154", 3.90mm Width)
Supplier Device Package14-SO

Documents and evidence

ST491ACDR ↗

Catalog sources

www.ic-components.com · ST491ACDR ↗

Source directory identity match; source detail pending. Specifications remain from existing catalog.

Before sourcing ST491ACDR

  1. Identify the firmware and board baseline
  2. Check flash, RAM and required peripherals
  3. Review pin assignment and supply limits
  4. Keep the full temperature and package suffix
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