The MCP1317T-31LE/OT from Microchip Technology is a supervisor Integrated Circuit with a push-pull (totem pole) output and 1 channel, in a SOT-23-5 package.
The MCP1317T-31AE/OT from Microchip Technology is a supervisor Integrated Circuit with 1 channel and push-pull, totem pole output, in a SOT-23-5 package.
The MCP1317T-31RE/OT from Microchip Technology is a 1-channel supervisor Integrated Circuit with a push-pull, totem-pole output, in a SOT-23-5 package.