 
    | Parameters | |
|---|---|
| Factory Lead Time | 7 Weeks | 
| Mounting Type | Surface Mount | 
| Package / Case | 44-QFP | 
| Surface Mount | YES | 
| Packaging | Tray | 
| Published | 2004 | 
| Series | Impact | 
| JESD-609 Code | e3 | 
| Feature | Configurable GPIO, Internal Oscillator, Timer/Counter | 
| Part Status | Obsolete | 
| Moisture Sensitivity Level (MSL) | 2 (1 Year) | 
| Number of Terminations | 44 | 
| Terminal Finish | Tin (Sn) | 
| Additional Feature | ALSO OPERATES AT 5V SUPPLY | 
| HTS Code | 8542.31.00.01 | 
| Subcategory | Serial IO/Communication Controllers | 
| Technology | CMOS | 
| Voltage - Supply | 3.3V 5V | 
| Terminal Position | QUAD | 
| Terminal Form | GULL WING | 
| Peak Reflow Temperature (Cel) | 260 | 
| Supply Voltage | 3.3V | 
| Terminal Pitch | 0.8mm | 
| Time@Peak Reflow Temperature-Max (s) | 30 | 
| Base Part Number | SC28L91A | 
| Pin Count | 44 | 
| JESD-30 Code | S-PQFP-G44 | 
| Qualification Status | Not Qualified | 
| Operating Temperature (Max) | 85°C | 
| Operating Temperature (Min) | -40°C | 
| Power Supplies | 3.3/5V | 
| Temperature Grade | INDUSTRIAL | 
| Number of Channels | 1, UART | 
| uPs/uCs/Peripheral ICs Type | SERIAL IO/COMMUNICATION CONTROLLER, SERIAL | 
| Clock Frequency | 8MHz | 
| Address Bus Width | 4 | 
| Boundary Scan | NO | 
| Low Power Mode | YES | 
| External Data Bus Width | 8 | 
| Data Rate (Max) | 1Mbps | 
| Number of Serial I/Os | 1 | 
| Bus Compatibility | 68XXX; 80XXX | 
| Data Transfer Rate-Max | 0.125 MBps | 
| Communication Protocol | ASYNC, BIT | 
| FIFO's | 16 Byte | 
| With Modem Control | Yes | 
| Height Seated (Max) | 2.1mm | 
| Length | 10mm | 
| Width | 10mm | 
| RoHS Status | ROHS3 Compliant |