| PartNumber | SG1548J | SG1548J-DESC | SG1548J-883B |
| Description | Supervisory Circuits DC:AC - Programmable Quad Line Fault Monitor | Supervisory Circuits DC:AC - Programmable Quad Line Fault Monitor | Supervisory Circuits DC:AC - Programmable Quad Line Fault Monitor |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Supervisory Circuits | Supervisory Circuits | Supervisory Circuits |
| Type | Voltage Monitors | Voltage Monitors | Voltage Monitors |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | CERDIP-16 | CERDIP-16 | CERDIP-16 |
| Threshold Voltage | 2.5 V | 2.5 V | 2.5 V |
| Number of Inputs Monitored | 4 Input | 4 Input | 4 Input |
| Output Type | Open Collectors | Open Collectors | Open Collectors |
| Manual Reset | No Manual Reset | No Manual Reset | No Manual Reset |
| Watchdog Timers | No Watchdog | No Watchdog | No Watchdog |
| Battery Backup Switching | No Backup | No Backup | No Backup |
| Reset Delay Time | 25 ms | 25 ms | 25 ms |
| Supply Voltage Max | 40 V | 40 V | 40 V |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Packaging | Tube | Tube | Tube |
| Brand | Microchip / Microsemi | Microchip / Microsemi | Microchip / Microsemi |
| Overvoltage Threshold | 2.625 V | 2.625 V | 2.625 V |
| Undervoltage Threshold | 2.375 V | 2.375 V | 2.375 V |
| Chip Enable Signals | No Chip Enable | No Chip Enable | No Chip Enable |
| Operating Supply Current | 4.8 mA | 4.8 mA | 4.8 mA |
| Product Type | Supervisory Circuits | Supervisory Circuits | Supervisory Circuits |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |