| PartNumber | TLC551CP | TLC551CD | TLC551CDG4 |
| Description | Timers & Support Products CMOS | Timers & Support Products CMOS | Timers & Support Products LINCMOS TIMER |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Timers & Support Products | Timers & Support Products | Timers & Support Products |
| RoHS | Y | Y | Y |
| Series | TLC551 | TLC551 | TLC551 |
| Type | Standard | Standard | Standard |
| Number of Internal Timers | 1 Timer | 1 Timer | 1 Timer |
| Supply Voltage Max | 15 V | 15 V | 15 V |
| Supply Voltage Min | 1 V | 1 V | 1 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Mounting Style | Through Hole | SMD/SMT | SMD/SMT |
| Package / Case | PDIP-8 | SOIC-8 | SOIC-8 |
| Packaging | Tube | Tube | Tube |
| Height | 4.57 mm | 1.58 mm | 1.58 mm |
| Length | 9.81 mm | 4.9 mm | 4.9 mm |
| Width | 6.35 mm | 3.91 mm | 3.91 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| High Level Output Current | 100 mA | 100 mA | 100 mA |
| Low Level Output Current | - 10 mA | - 10 mA | - 10 mA |
| Operating Supply Current | 170 uA | 170 uA | 170 uA |
| Pd Power Dissipation | 1000 mW | 725 mW | 725 mW |
| Product Type | Timers & Support Products | Timers & Support Products | Timers & Support Products |
| Factory Pack Quantity | 50 | 75 | 75 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Tradename | LinCMOS | LinCMOS | LinCMOS |
| Unit Weight | 0.015535 oz | 0.002677 oz | 0.002677 oz |