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| Part Number | 74LS74ASC | 74LS74APC |
|---|---|---|
| Manufacturer | National Semiconductor | Fairchild Semiconductor |
| Product Status | 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 | 20 MHz | 30 MHz |
| Max Propagation Delay @ V, Max CL | 35ns @ 5V, 50pF | 35ns @ 5V, 15pF |
| 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 | Surface Mount | Through Hole |
| Supplier Device Package | 14-SOIC | 14-PDIP |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-DIP |
