| Part Number | DM74LS74ASJ | DM74ALS74ASJ |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor |
| Category | Logic - Flip Flops | Logic - Flip Flops |
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| Product Status | Active | Obsolete |
| 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 | 34 MHz |
| Max Propagation Delay @ V, Max CL | 35ns @ 5V, 50pF | 18ns @ 5V, 50pF |
| Trigger Type | Positive Edge | Positive Edge |
| Current - Output High, Low | 400µA, 8mA | 400µA, 8mA |
| Voltage - Supply | 4.75V ~ 5.25V | 4.5V ~ 5.5V |
| Current - Quiescent (Iq) | 8 mA | 4 mA |
| Input Capacitance | - | - |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Supplier Device Package | 14-SOP | 14-SOP |
| Package / Case | 14-SOIC (0.209", 5.30mm Width) | 14-SOIC (0.209", 5.30mm Width) |