| Part Number | SN74ALS574BDWR | SN74ALS874BDWR | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | Logic - Flip Flops | Logic - Flip Flops | 
|   |   | |
| Product Status | Active | Active | 
| Function | Standard | Master Reset | 
| Type | D-Type | D-Type | 
| Output Type | Tri-State, Non-Inverted | Tri-State, Non-Inverted | 
| Number of Elements | 1 | 2 | 
| Number of Bits per Element | 8 | 4 | 
| Clock Frequency | 35 MHz | 30 MHz | 
| Max Propagation Delay @ V, Max CL | 14ns @ 5V, 50pF | 14ns @ 5V, 50pF | 
| Trigger Type | Positive Edge | Positive Edge | 
| Current - Output High, Low | 2.6mA, 24mA | 2.6mA, 24mA | 
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Current - Quiescent (Iq) | 18 mA | 21 mA | 
| Input Capacitance | - | - | 
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Supplier Device Package | 20-SOIC | 24-SOIC | 
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) |