| Part Number | SN74ACT574NG4 | SN74ACT74NG4 | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | Logic - Flip Flops | Logic - Flip Flops | 
|   |   | |
| Product Status | Discontinued at Digi-Key | Discontinued at Digi-Key | 
| Function | Standard | Set(Preset) and Reset | 
| Type | D-Type | D-Type | 
| Output Type | Tri-State, Non-Inverted | Complementary | 
| Number of Elements | 1 | 2 | 
| Number of Bits per Element | 8 | 1 | 
| Clock Frequency | 110 MHz | 210 MHz | 
| Max Propagation Delay @ V, Max CL | 11ns @ 5V, 50pF | 11ns @ 5V, 50pF | 
| Trigger Type | Positive Edge | Positive Edge | 
| Current - Output High, Low | 24mA, 24mA | 24mA, 24mA | 
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Current - Quiescent (Iq) | 4 µA | 2 µA | 
| Input Capacitance | 4.5 pF | 3 pF | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Through Hole | Through Hole | 
| Supplier Device Package | 20-PDIP | 14-PDIP | 
| Package / Case | 20-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) |