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| Part Number | SN74LS109ADRE4 | SN74LS107ADRE4 | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Product Status | Discontinued at Digi-Key | Obsolete | 
| Function | Set(Preset) and Reset | Master Reset | 
| Type | JK Type | JK Type | 
| Output Type | Complementary | Complementary | 
| Number of Elements | 2 | 2 | 
| Number of Bits per Element | 1 | 1 | 
| Clock Frequency | 33 MHz | 45 MHz | 
| Max Propagation Delay @ V, Max CL | 25ns @ 5V, 15pF | 20ns @ 5V, 15pF | 
| Trigger Type | Positive Edge | Negative Edge | 
| Current - Output High, Low | 400µA, 8mA | 400µA, 8mA | 
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 
| Current - Quiescent (Iq) | 8 mA | 6 mA | 
| Input Capacitance | - | - | 
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Supplier Device Package | 16-SOIC | 14-SOIC | 
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) |