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Other qualified versions of SN74S124
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Product InformationFeatures
Description
The 'S124 features two independent voltage-controlled oscillators (VCO) in a single monolithic chip. The output frequency of each VCO is established by an external capacitor in combination with two voltage-sensitive inputs, one for frequency range and one for frequency control. These inputs can be used to vary the output frequency as shown under typical characteristics. These highly stable oscillators can be set to operate at any frequency typically between 0.12 hertz and 85 megahertz. While the enable input is low, the output is enabled. While the enable input is high, the output is high. These devices can operate from a single 5-volt supply. However, one set of supply-voltage and ground pins (VCC and GND) is provided for the enable, synchronization-gating, and output sections, and a separate set ( The enable input of these devices starts or stops the output pulses when it is low or high, respectively. The internal oscillator of the 'S124 is started and stopped by the enable input. The enable input is one standard load; it and the buffered output operate at standard Schottky-clamped TTL levels. The pulse synchronization-gating section ensures that the first output pulse is neither clipped nor extended. Duty cycle of the square-wave output is fixed at approximately 50 percent. The SN54S124 is characterized for operation over the full military temperature range of –55°C to 125°C; the SN74S124 is characterized for operation from 0°C to 70°C. |
| Price | Packaging | CAD Design Tools | Samples | |||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Footprints | Samples |
| SN74S124D | ACTIVE | 0 to 70 | 6.51 | 1ku | SOIC (D) | 16 | View | 40 | TUBE | Purchase Samples | |
| SN74S124DE4 | ACTIVE | 0 to 70 | 6.51 | 1ku | SOIC (D) | 16 | View | 40 | TUBE | Purchase Samples | |
| SN74S124DG4 | ACTIVE | 0 to 70 | 6.51 | 1ku | SOIC (D) | 16 | View | 40 | TUBE | Purchase Samples | |
| SN74S124DRE4 | ACTIVE | 0 to 70 | SOIC (D) | 16 | View | Purchase Samples | |||
| SN74S124DRG4 | ACTIVE | 0 to 70 | SOIC (D) | 16 | View | Purchase Samples | |||
| SN74S124N | ACTIVE | 0 to 70 | 5.92 | 1ku | PDIP (N) | 16 | View | 25 | TUBE | Purchase Samples | |
| SN74S124N3 | OBSOLETE | 0 to 70 | PDIP (N) | 16 | View | Not Available | |||
| SN74S124NE4 | ACTIVE | 0 to 70 | 5.92 | 1ku | PDIP (N) | 16 | View | 25 | TUBE | Purchase Samples | |
* 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 10:46 AM GMT, 08 Nov 2009 | |||
| Region | Company | In Stock | Purchase |
| TI Lead Time*: 15 WeeksSN74S124D | |||
| Americas | Rochester Electronics | >1k | |
| Worldwide | Mouser Electronics | 7 | |
| TI Lead Time*: 15 WeeksSN74S124DE4 | |||
| None Reported View Distributors | |||
| TI Lead Time*: 15 WeeksSN74S124DG4 | |||
| None Reported View Distributors | |||
| TI Lead Time*: 14 WeeksSN74S124N | |||
| Americas | Newark | 90 | |
| Rochester Electronics | >1k | ||
| Asia | Farnell Asia | 46 | |
| Europe | EBV Elektronik | 12 | |
| Farnell | 38 | ||
| Call**SN74S124N3 | |||
| Americas | Rochester Electronics | >1k | |
| TI Lead Time*: 14 WeeksSN74S124NE4 | |||
| Worldwide | Mouser Electronics | 78 | |
** 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 |
SN74S124D  | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| SN74S124DE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| SN74S124DG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| SN74S124N | Pb-Free (RoHS) | CU NIPDAU | N/A for Pkg Type | View | View |
| SN74S124NE4 | 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 SN74S124 
View Application Notes for Phase-Locked-Loops (PLLs) and Oscillators
| Customers Who Evaluated This Product Also Evaluated... | |||
| Part # | Name | Product Family | Comments |
| CD4046B | CMOS Micropower Phase-Locked Loop | SPECIALTY LOGIC-PHASE-LOCKED-LOOPS (PLLS) AND OSCILLATORS | TI customers also evaluated this product. |
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GND) and is provided for the oscillator and associated frequency-control circuits so that effective isolation can be accomplished in the system.