Motorola SN74LS42
ONE-OF-TEN DECODER
| Part No. | SN74LS42 |
|---|---|
| Datasheet | SN74LS42 Download |
| Manufacturer |  Motorola |
| Description | ONE-OF-TEN DECODER |
| Buy | Stock & Price |
ONE-OF-TEN DECODER The LSTTL / MSI SN54 / 74LS42 is a Multipurpose Decoder designed to accept four BCD inputs and provide ten mutually exclusive outputs. The LS42 is fabricated with the Schottky barrier diode process for high speed and is completely compatible with all Motorola TTL families.
● Multifunction Capability
● Mutually Exclusive Outputs
● Demultiplexing Capability
● Input Clamp Diodes Limit High Speed Termination Effects CONNECTION DIAGRAM DIP (TOP VIEW) VCC A0 A1 A2 A3 9 8 7 16 15 14 13 12 11 10 9 NOTE: The Flatpak version has the same pinouts (Connection Diagram) as the Dual In-Line Package. 12 01 3 4 56 2 3 45 78 6 GND PIN NAMES A0 – A3 0 to 9 Address Inputs Outputs, Active LOW (Note b) LOADING (Note a) HIGH LOW 0.5 U.L. 0.25 U.L. 10 U.L. 5(2.5) U.L. NOTES: a) 1 TTL Unit Load (U.L.) = 40 µA HIGH/1.6 mA LOW. b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74) Temperature Ranges. A0 15 LOGIC DIAGRAM A1 14 A
● Multifunction Capability
● Mutually Exclusive Outputs
● Demultiplexing Capability
● Input Clamp Diodes Limit High Speed Termination Effects CONNECTION DIAGRAM DIP (TOP VIEW) VCC A0 A1 A2 A3 9 8 7 16 15 14 13 12 11 10 9 NOTE: The Flatpak version has the same pinouts (Connection Diagram) as the Dual In-Line Package. 12 01 3 4 56 2 3 45 78 6 GND PIN NAMES A0 – A3 0 to 9 Address Inputs Outputs, Active LOW (Note b) LOADING (Note a) HIGH LOW 0.5 U.L. 0.25 U.L. 10 U.L. 5(2.5) U.L. NOTES: a) 1 TTL Unit Load (U.L.) = 40 µA HIGH/1.6 mA LOW. b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74) Temperature Ranges. A0 15 LOGIC DIAGRAM A1 14 A
