| PartNumber | ALD7555PAL | ALD7556SBL | ALD7556PBL |
| Description | Timers & Support Products CMOS Analog RC Timer | Timers & Support Products CMOS Analog RC Timer | Timers & Support Products CMOS Analog RC Timer |
| Manufacturer | Texas Instruments | Advanced Linear Devices | Advanced Linear Devices |
| Product Category | Timers & Support Products | Timers & Support Products | Timers & Support Products |
| RoHS | N | Y | Y |
| Series | LM555 | ALD555S | ALD7556P |
| Type | Standard | Standard | - |
| Number of Internal Timers | 1 Timer | 1 Timer | 2 Timer |
| Supply Voltage Max | 16 V | 12 V | 10 V |
| Supply Voltage Min | 4.5 V | 2 V | 2 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Package / Case | SOIC-8 | SOIC-8 | DIP-14 |
| Packaging | Tube | Tube | Tube |
| Height | 1.45 mm | 1.5 mm | - |
| Length | 4.9 mm | 5 mm | - |
| Width | 3.9 mm | 4.05 mm | - |
| Brand | Texas Instruments | Advanced Linear Devices | Advanced Linear Devices |
| High Level Output Current | 200 mA | 10 mA | - |
| Low Level Output Current | - 200 mA | - 2 mA | - |
| Operating Supply Current | 3000 uA | - | - |
| Pd Power Dissipation | 1180 mW | 600 mW | 600 mW |
| Product Type | Timers & Support Products | Timers & Support Products | Timers & Support Products |
| Factory Pack Quantity | 95 | 50 | 50 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Unit Weight | 0.002677 oz | 0.019048 oz | 0.057144 oz |
| Shipping Restrictions | - | - |