| Parameters | 
                                                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 14-SOIC (0.154, 3.90mm Width) | 
                                                                            
                                            | Surface Mount | YES | 
                                                                            
                                            | Operating Temperature | 0°C~70°C | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Series | 74AS | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Number of Terminations | 14 | 
                                                                            
                                            | HTS Code | 8542.39.00.01 | 
                                                                            
                                            | Technology | TTL | 
                                                                            
                                            | Voltage - Supply | 4.5V~5.5V | 
                                                                            
                                            | Terminal Position | DUAL | 
                                                                            
                                            | Terminal Form | GULL WING | 
                                                                            
                                            | Number of Functions | 1 | 
                                                                            
                                            | Supply Voltage | 5V | 
                                                                            
                                            | Terminal Pitch | 1.27mm | 
                                                                            
                                            | Reach Compliance Code | unknown | 
                                                                            
                                            | JESD-30 Code | R-PDSO-G14 | 
                                                                            
                                            | Supply Voltage-Max (Vsup) | 5.5V | 
                                                                            
                                            | Supply Voltage-Min (Vsup) | 4.5V | 
                                                                            
                                            | Number of Circuits | 9-Bit | 
                                                                            
                                            | Number of Bits | 9 | 
                                                                            
                                            | Family | AS | 
                                                                            
                                            | Current - Output High, Low | 2mA 20mA | 
                                                                            
                                            | Logic Type | Parity Generator/Checker | 
                                                                            
                                            | Output Polarity | COMPLEMENTARY | 
                                                                            
                                            | Propagation Delay (tpd) | 12 ns | 
                                                                            
                                            | Height Seated (Max) | 1.75mm | 
                                                                            
                                            | Length | 8.65mm | 
                                                                            
                                            | Width | 3.9mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                DM74AS280M Overview
The package is contained in Tube.There is a power supply 4.5V~5.5V that is used to operate it.The circuit is based on a 9-Bit basic design.As part of the 74AS series, it is included.Communication is based on the Parity Generator/Checker logic type.This product is available in Surface Mount.The operating temperature was extended at 0°C~70°C.Multivibrator is packaged in 14-SOIC (0.154, 3.90mm Width).Logic device with 9-bits.The high and low level of current output are 2mA 20mA relatively.This item is part of the AS product line.In the part, you will find 14 terminations.There is a need for a normal voltage for part 5V.Keep the maximum voltage going to the device below 5.5V.Note that this device requires 4.5V or higher voltage to operate.
DM74AS280M Features
9-Bit circuits base
Parity Generator/Checker logic IC
9-Bit logic processing
DM74AS280M Applications
There are a lot of Rochester Electronics, LLC DM74AS280M  applications of multivibrators. 
- 81-line parity generator/checker
- 25-line parity generator/checker