Bidirectional 4-bit bus transceiver with true output, featuring independent control for two ports. This TTL logic IC operates with a nominal supply voltage of 5V (4.75V to 5.25V) and offers a propagation delay of 22ns. Designed for commercial temperature grades (0°C to 70°C), it is housed in a 14-pin PDIP package with a width of 7.62mm and length of 19.18mm. Maximum output low current is 0.024A, with a maximum power supply current of 54mA.
Quick Jump:
Technical Specifications
Fairchild DM74LS243N technical specifications.
General
| Max Operating Temperature | 70 |
| Number of Terminals | 14 |
| Min Operating Temperature | 0 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDIP-T14 |
| Width | 7.62 |
| Length | 19.18 |
| Pin Count | 14 |
| Number of Functions | 1 |
| Temperature Grade | COMMERCIAL |
| Supply Voltage-Nom (Vsup) | 5 |
| Supply Voltage-Max (Vsup) | 5.25 |
| Supply Voltage-Min (Vsup) | 4.75 |
| Logic IC Type | BUS TRANSCEIVER |
| Family | LS |
| Propagation Delay (tpd) | 22 |
| Number of Bits | 4 |
| Max I(ol) | 0.024 |
| Prop. Delay@Nom-Sup | 18 |
| Output Polarity | TRUE |
| Number of Ports | 2 |
| Power Supply Current-Max (ICC) | 54 |
| Count Direction | BIDIRECTIONAL |
| Control Type | INDEPENDENT CONTROL |
Compliance
| RoHS | No |
| HTS Code | 8542.39.00.01 |
| REACH | unknown |
| Military Spec | False |
Datasheet
Fairchild DM74LS243N Datasheet
Download the complete datasheet for Fairchild DM74LS243N to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.