| PartNumber | CD74HCT4543E | CD74HCT4543EE4 | CD74HCT4538MT |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers High Speed CMOS BCD-to-7 Segment | Encoders, Decoders, Multiplexers & Demultiplexers High Speed CMOS BCD-to-7 Segment | Monostable Multivibrator Hi-Spd CMOS Dual Retrig Precision |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Monostable Multivibrator |
| RoHS | Y | Y | Y |
| Product | Decoders / Demultiplexers | Decoders / Demultiplexers | - |
| Logic Family | HCT | HCT | HCT |
| Number of Input Lines | 4 Input | 4 Input | - |
| Number of Output Lines | 7 Output | 7 Output | - |
| Propagation Delay Time | 80 ns | 80 ns | 55 ns |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Mounting Style | Through Hole | Through Hole | SMD/SMT |
| Package / Case | PDIP-16 | PDIP-16 | SOP-16 |
| Packaging | Tube | Tube | Reel |
| Function | Latch/Decoder/Driver | Latch/Decoder/Driver | - |
| Height | 4.57 mm | 4.57 mm | 1.58 mm |
| Length | 19.3 mm | 19.3 mm | 9.9 mm |
| Number of Circuits | Single | Single | - |
| Operating Temperature Range | - 55 C to + 125 C | - 55 C to + 125 C | - |
| Series | CD74HCT4543 | CD74HCT4543 | CD74HCT4538 |
| Technology | CMOS | CMOS | - |
| Width | 6.35 mm | 6.35 mm | 3.91 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Logic Type | Decoders/Drivers | Decoders/Drivers | Monostable Multivibrator |
| Supply Current Max | 0.008 mA | 0.008 mA | 0.008 mA |
| High Level Output Current | - 4 mA | - 4 mA | - 4 mA |
| Low Level Output Current | 4 mA | 4 mA | 4 mA |
| Maximum Clock Frequency | 25 MHz | 25 MHz | - |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Monostable Multivibrator |
| Factory Pack Quantity | 25 | 25 | 250 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.033570 oz | 0.033570 oz | 0.004998 oz |
| Elements per Chip | - | - | 2 |