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| Part Number | 74LS74APC | 74LS74ASC | 74LS74PC |
|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | National Semiconductor | National Semiconductor |
| Product Status | Active | Active | Active |
| Function | Set(Preset) and Reset | Set(Preset) and Reset | - |
| Type | D-Type | D-Type | - |
| Output Type | Complementary | Complementary | - |
| Number of Elements | 2 | 2 | - |
| Number of Bits per Element | 1 | 1 | - |
| Clock Frequency | 30 MHz | 20 MHz | - |
| Max Propagation Delay @ V, Max CL | 35ns @ 5V, 15pF | 35ns @ 5V, 50pF | - |
| Trigger Type | Positive Edge | Positive Edge | - |
| Current - Output High, Low | - | 8mA, 400µA | - |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | - |
| Current - Quiescent (Iq) | 8 mA | 8 mA | - |
| Input Capacitance | - | - | - |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | - |
| Mounting Type | Through Hole | Surface Mount | - |
| Supplier Device Package | 14-PDIP | 14-SOIC | - |
| Package / Case | 14-DIP | 14-SOIC (0.154", 3.90mm Width) | - |
