| Parameters | 
                                                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 20-SSOP (0.209, 5.30mm Width) | 
                                                                            
                                            | Surface Mount | YES | 
                                                                            
                                            | Operating Temperature | 0°C~70°C TA | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Published | 2004 | 
                                                                            
                                            | Series | 74F | 
                                                                            
                                            | JESD-609 Code | e4 | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Number of Terminations | 20 | 
                                                                            
                                            | Terminal Finish | NICKEL PALLADIUM GOLD | 
                                                                            
                                            | Subcategory | Bus Driver/Transceivers | 
                                                                            
                                            | Technology | TTL | 
                                                                            
                                            | Voltage - Supply | 4.5V~5.5V | 
                                                                            
                                            | Terminal Position | DUAL | 
                                                                            
                                            | Terminal Form | GULL WING | 
                                                                            
                                            | Peak Reflow Temperature (Cel) | 260 | 
                                                                            
                                            | Number of Functions | 2 | 
                                                                            
                                            | Supply Voltage | 5V | 
                                                                            
                                            | Terminal Pitch | 0.65mm | 
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 30 | 
                                                                            
                                            | Base Part Number | 74F240 | 
                                                                            
                                            | Pin Count | 20 | 
                                                                            
                                            | Qualification Status | Not Qualified | 
                                                                            
                                            | Output Type | 3-State | 
                                                                            
                                            | Number of Elements | 2 | 
                                                                            
                                            | Supply Voltage-Max (Vsup) | 5.5V | 
                                                                            
                                            | Power Supplies | 5V | 
                                                                            
                                            | Number of Ports | 2 | 
                                                                            
                                            | Family | F/FAST | 
                                                                            
                                            | Current - Output High, Low | 15mA 64mA | 
                                                                            
                                            | Logic Type | Buffer, Inverting | 
                                                                            
                                            | Output Polarity | INVERTED | 
                                                                            
                                            | Number of Bits per Element | 4 | 
                                                                            
                                            | Prop. Delay@Nom-Sup | 7.5 ns | 
                                                                            
                                            | Propagation Delay (tpd) | 7.5 ns | 
                                                                            
                                            | Control Type | ENABLE LOW | 
                                                                            
                                            | Power Supply Current-Max (ICC) | 70mA | 
                                                                            
                                            | Width | 5.3mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                N74F240DB,112 Overview
Logical driver uses a neat 20-SSOP (0.209, 5.30mm Width) package. Tube external packaging. Available in Surface Mount. Voltage buffer adopts Buffer, Inverting logic prototype. Buffer IC is fed with a voltage of 4.5V~5.5V. Qualified to operate within 0°C~70°C TA. The high and low logic state output current of logical driver is 15mA 64mA. Logical driver can deal with 3-State output (s). All of the 2 elements are put into use. Digital buffer is one of the 74F series devices. 20 terminations with different functions. Buffer IC reuqires a supply voltage of 5V. In the F/FAST family, the electric component belongs. 20 pins are set with the electric part. Enhanced with 2 ports. The bus transceiver employs 4 bits for each element. You can search "74F240" for other related electrical components. Specifically, digital transciever is a kind of Bus Driver/Transceivers. The digital buffer starts up under ENABLE LOW control technology. It is recommended to use a 5V power supply. 
N74F240DB,112 Features
Bus Driver/Transceivers
N74F240DB,112 Applications
There are a lot of NXP USA Inc. N74F240DB,112 Buffers & Transceivers applications. 
- Ethernet circuitry
- Broadcast application
- Fiber distributed data interface (FDDI)
- interconnection between switches
- Laser diode bonding
- Pocket PC
- Automation systems
- Cable network front end
- Copper and fiber optic cables connection network
- Switches/bridges/routers/servers