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Product InformationFeatures
Description
The TL77xxA family of integrated-circuit supply-voltage supervisors is designed specifically for use as reset controllers in microcomputer and microprocessor systems. The supply-voltage supervisor monitors the supply for undervoltage conditions at the SENSE input. During power up, the RESET output becomes active (low) when VCC attains a value approaching 3.6 V. At this point (assuming that SENSE is above VIT+), the delay timer function activates a time delay, after which outputs RESET and RESET go inactive (high and low, respectively). When an undervoltage condition occurs during normal operation, RESET and RESET go active. To ensure that a complete reset occurs, the reset outputs remain active for a time delay after the voltage at the SENSE input exceeds the positive-going threshold value. The time delay is determined by the value of the external capacitor CT: td = 1.3 × 104 × CT, where CT is in farads (F) and td is in seconds (s). During power down and when SENSE is below VIT–, the outputs remain active until VCC falls below 2 V. After this, the outputs are undefined. An external capacitor (typically 0.1 µF) must be connected to REF to reduce the influence of fast transients in the supply voltage. |
| Price | Packaging | CAD Design Tools | Samples | ||||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Footprints | Samples |
| TL7709ACD | ACTIVE | 0 to 70 | 0.85 | 1ku | SOIC (D) | 8 | View | 75 | TUBE | Contact TI Distributor or Sales Office | ||
| TL7709ACDE4 | ACTIVE | 0 to 70 | 0.85 | 1ku | SOIC (D) | 8 | View | 75 | TUBE | Contact TI Distributor or Sales Office | ||
| TL7709ACDG4 | ACTIVE | 0 to 70 | 0.85 | 1ku | SOIC (D) | 8 | View | 75 | TUBE | Contact TI Distributor or Sales Office | ||
| TL7709ACDR | ACTIVE | 0 to 70 | 0.85 | 1ku | SOIC (D) | 8 | View | 2500 | LARGE T&R | Purchase Samples | ||
| TL7709ACDRE4 | ACTIVE | 0 to 70 | 0.85 | 1ku | SOIC (D) | 8 | View | 2500 | LARGE T&R | Purchase Samples | ||
| TL7709ACDRG4 | ACTIVE | 0 to 70 | 0.85 | 1ku | SOIC (D) | 8 | View | 2500 | LARGE T&R | Purchase Samples | ||
| TL7709ACP | ACTIVE | 0 to 70 | 0.85 | 1ku | PDIP (P) | 8 | View | 50 | TUBE | Contact TI Distributor or Sales Office | ||
| TL7709ACPE4 | ACTIVE | 0 to 70 | 0.85 | 1ku | PDIP (P) | 8 | View | 50 | TUBE | Contact TI Distributor or Sales Office | ||
| TL7709AID | OBSOLETE | -40 to 85 | SOIC (D) | 8 | View | Not Available | ||||
| TL7709AIP | OBSOLETE | -40 to 85 | PDIP (P) | 8 | View | Not Available | ||||
* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.
| Reported Distributor Inventory as of 10:34 AM GMT, 08 Nov 2009 | |||
| Region | Company | In Stock | Purchase |
| TI Lead Time*: 15 WeeksTL7709ACD | |||
| Americas | Avnet | 89 | |
| Newark | 480 | ||
| Rochester Electronics | >1k | ||
| Worldwide | DigiKey | 646 | |
| TI Lead Time*: 15 WeeksTL7709ACDE4 | |||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 15 WeeksTL7709ACDG4 | |||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 15 WeeksTL7709ACDR | |||
| Americas | Arrow | >1k | |
| Rochester Electronics | >1k | ||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 15 WeeksTL7709ACDRE4 | |||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 15 WeeksTL7709ACDRG4 | |||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 14 WeeksTL7709ACP | |||
| Americas | Arrow | 95 | |
| Newark | 515 | ||
| Rochester Electronics | >1k | ||
| Europe | Avnet-SILICA | 50 | |
| Worldwide | DigiKey | 616 | |
| TI Lead Time*: 14 WeeksTL7709ACPE4 | |||
| Worldwide | DigiKey | Available | |
| Call**TL7709AID | |||
| Americas | Rochester Electronics | >1k | |
| Call**TL7709AIP | |||
| Americas | Rochester Electronics | >1k | |
** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.
| Product Content | DPPM / MTBF / FIT Rate | ||||
| Device | Eco Plan* | Lead / Ball Finish | MSL Rating / Peak Reflow | Details | Details |
TL7709ACD  | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| TL7709ACDE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| TL7709ACDG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| TL7709ACDR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| TL7709ACDRE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| TL7709ACDRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| TL7709ACP | Pb-Free (RoHS) | CU NIPDAU | N/A for Pkg Type | View | View |
| TL7709ACPE4 | Pb-Free (RoHS) | CU NIPDAU | N/A for Pkg Type | View | View |
* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.
If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.
Most useful technical documents for TL7709A 
View Application Notes for Supervisory Circuits(Voltage Supervisors)
| Customers Who Evaluated This Product Also Evaluated... | |||
| Part # | Name | Product Family | Comments |
| TPS3808G01 | Low Quiescent Current, Programmable-Delay Supervisory Circuit | POWER MANAGEMENT-SUPERVISORY CIRCUITS(VOLTAGE SUPERVISORS) | TI customers also evaluated this product. |
| REF5040 | Low Noise, Very Low Drift, Precision VOLTAGE REFERENCE | VOLTAGE REFERENCE-SERIES VOLTAGE REFERENCE | TI customers also evaluated this product. |
| TL431A | Adjustable Precision Shunt Regulator | VOLTAGE REFERENCE-SHUNT VOLTAGE REFERENCE | TI customers also evaluated this product. |
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