STMicroelectronics · Other integrated circuits
ST491ACN
IC TRANSCEIVER FULL 1/1 14DIP
STM32-first sourcing with STMicroelectronics support components. Review recorded cores, flash, RAM, connectivity and package facts before moving an approved design into production.
Request this exact part →
ST491ACN specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | ST491ACN |
| Family | Other integrated circuits |
| Package | 14-DIP (0.300", 7.62mm) |
| Product Status | Obsolete |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Full |
| Receiver Hysteresis | 70 mV |
| Data Rate | 50Mbps |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Through Hole |
| Package / Case | 14-DIP (0.300", 7.62mm) |
| Supplier Device Package | 14-DIP |
Documents and evidence
ST491ACN ↗Before sourcing ST491ACN
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
Questions about ST491ACN
How do I request a current price?
Provide this full code, quantity, destination and arrival date. Budget estimates are conditional; final availability and price are confirmed by quotation.
Can a related record replace this device?
Related records aid discovery. Package, pinout, ratings, tooling and software require engineering approval before substitution.
Continue your Other integrated circuits review
74AC00MTR14-SOIC (0.154", 3.90mm Width)
74AC00TTR14-TSSOP (0.173", 4.40mm Width)
74AC02B14-DIP (0.300", 7.62mm)
74AC02MTR14-SOIC (0.154", 3.90mm Width)
74AC02TTR14-TSSOP (0.173", 4.40mm Width)
74AC04MTR14-SOIC (0.154", 3.90mm Width)