| Parameters | 
                                                                                                            
                                            | Factory Lead Time | 18 Weeks | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 4-SMD, Flat Leads | 
                                                                            
                                            | Surface Mount | YES | 
                                                                            
                                            | Operating Temperature | -40°C~85°C TA | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Series | S-1009 | 
                                                                            
                                            | JESD-609 Code | e3 | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 
                                                                            
                                            | Number of Terminations | 4 | 
                                                                            
                                            | ECCN Code | EAR99 | 
                                                                            
                                            | Type | Voltage Detector | 
                                                                            
                                            | Terminal Finish | TIN | 
                                                                            
                                            | Technology | CMOS | 
                                                                            
                                            | Terminal Position | DUAL | 
                                                                            
                                            | Number of Functions | 1 | 
                                                                            
                                            | Supply Voltage | 2.7V | 
                                                                            
                                            | Terminal Pitch | 0.65mm | 
                                                                            
                                            | Output | Push-Pull, Totem Pole | 
                                                                            
                                            | Pin Count | 4 | 
                                                                            
                                            | JESD-30 Code | R-PDSO-F4 | 
                                                                            
                                            | Supply Voltage-Min (Vsup) | 0.6V | 
                                                                            
                                            | Number of Channels | 1 | 
                                                                            
                                            | Adjustable Threshold | NO | 
                                                                            
                                            | Reset | Active Low | 
                                                                            
                                            | Voltage - Threshold | 2.1V | 
                                                                            
                                            | Number of Voltages Monitored | 1 | 
                                                                            
                                            | Height Seated (Max) | 0.5mm | 
                                                                            
                                            | RoHS Status | RoHS Compliant | 
                                                                                                    
                            
                         
                                                S-1009C21I-I4T1U Overview
This voltage supervisor has a total of 4 mounting terminals that can be used for mounting. Packaged in the form of a Tape & Reel (TR), power management is easy to use. Please find attached 1 functions for your reference in this IC power. This power managment ic consists of 1 channels, each of which can be used independently. The purpose of this IC power is to provide you with a reference of 4-SMD, Flat Leads functions. This IC power shares lots of benefits with other Voltage Detector products. A supply voltage of 2.7V is used to conduct the PMIC chip. In a 1 supply voltage, the PMIC chip conducts. A total of 4 pins are located on this power management. The mounting type of the supervisors is Surface MountYou should set the supervisor's temperature during -40°C~85°C TA . During normal operation, this power managment ic can generate Push-Pull, Totem Pole of output voltage. It is one of the well-known S-1009 series power ic line. 
S-1009C21I-I4T1U Features
Voltage Detector type
S-1009C21I-I4T1U Applications
There are a lot of ABLIC U.S.A. Inc. S-1009C21I-I4T1U Voltage Supervisors applications. 
- Precision measurement
- Power distribution systems of operating room
- Battery cars
- Leakage current detection
- Power distribution systems of ICU
- Functional modules
- Fire equipment power monitoring system
- Battery-powered equipment
- Smartphones
- Microprocessor system