| Parameters | 
                                                                                                            
                                            | Mount | Surface Mount | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 14-SOIC (0.154, 3.90mm Width) | 
                                                                            
                                            | Number of Pins | 14 | 
                                                                            
                                            | Supplier Device Package | 14-SOIC | 
                                                                            
                                            | Weight | 338.011364mg | 
                                                                            
                                            | Operating Temperature | 0°C~70°C | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Series | 74AS | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Max Operating Temperature | 70°C | 
                                                                            
                                            | Min Operating Temperature | 0°C | 
                                                                            
                                            | Voltage - Supply | 4.5V~5.5V | 
                                                                            
                                            | Base Part Number | 74AS280 | 
                                                                            
                                            | Number of Elements | 1 | 
                                                                            
                                            | Number of Circuits | 9-Bit | 
                                                                            
                                            | Max Supply Voltage | 5.5V | 
                                                                            
                                            | Min Supply Voltage | 4.5V | 
                                                                            
                                            | Number of Bits | 9 | 
                                                                            
                                            | Propagation Delay | 12 ns | 
                                                                            
                                            | Turn On Delay Time | 12 ns | 
                                                                            
                                            | Current - Output High, Low | 2mA 20mA | 
                                                                            
                                            | Logic Type | Parity Generator/Checker | 
                                                                            
                                            | High Level Output Current | -2mA | 
                                                                            
                                            | Low Level Output Current | 20mA | 
                                                                            
                                            | RoHS Status | RoHS Compliant | 
                                                                            
                                            | Lead Free | Lead Free | 
                                                                                                    
                            
                         
                                                DM74AS280M Overview
Multivibrator  has been packed in Tube.A 4.5V~5.5V power supply is used to operate it.Multivibrator is built on 9-Bit basic circuMultivibrators.As part of the 74AS series, it is included.Multivibrator is Parity Generator/Checker logic that is used for communication.There is a version available in Surface Mount.The operating temperature was extended at 0°C~70°C.There is a package available for 14-SOIC (0.154, 3.90mm Width).An electronic device using the 9-bit logic.It is apparent that there is a relative difference between the high and low levels of current output 2mA 20mA.You may find more parts similar to these by searching 74AS280.Multivibrator is designed as a Surface Mount device to allow for easy installation and removal.The 14 solution is intended for logic gate applications.The logic performance is improved through the use of 1 elements.This part is available as a device package from 14-SOIC supplier.On a high level, the system outputs -2mA.During low level output mode, this device produces 20mA.There is no suitable ambient for this device if the temperature is lower than 0°C.To enhance reliability in harsh environment this part is characterized to be capacble of working at a temperature of 70°C.Depending on the voltage, this device can operate at a voltage as high as 5.5V.To supply the device, it requires at least 4.5V volts.
DM74AS280M Features
9-Bit circuits base
Parity Generator/Checker logic IC
9-Bit logic processing
Output Current (High): -2mA
Output Current (Low): 20mA
Specified with 5.5V Channels
DM74AS280M Applications
There are a lot of ON Semiconductor DM74AS280M  applications of multivibrators. 
- 81-line parity generator/checker
- 25-line parity generator/checker