| Part Number | MM74HC374SJX | MM74HCT74SJX | 
|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | 
| Category | Logic - Flip Flops | Logic - Flip Flops | 
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| Product Status | Active | Obsolete | 
| 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 | 35 MHz | 27 MHz | 
| Max Propagation Delay @ V, Max CL | 40ns @ 6V, 150pF | 35ns @ 5V, 50pF | 
| Trigger Type | Positive Edge | Positive Edge | 
| Current - Output High, Low | 7.8mA, 7.8mA | 4.8mA, 4.8mA | 
| Voltage - Supply | 2V ~ 6V | 4.5V ~ 5.5V | 
| Current - Quiescent (Iq) | 8 µA | 2 µA | 
| Input Capacitance | 5 pF | 5 pF | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Supplier Device Package | 20-SOP | 14-SOP | 
| Package / Case | 20-SOIC (0.209", 5.30mm Width) | 14-SOIC (0.209", 5.30mm Width) |