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| Part Number | 74ACT377SC | 74ACT377SJ | 74ACTQ377SC | 74ACT377SCX | 74ACT374SC | 74ACT377PC |
|---|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | National Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor |
| Product Status | Obsolete | Obsolete | Active | Obsolete | Obsolete | Obsolete |
| Function | Standard | Standard | - | Standard | Standard | Standard |
| Type | D-Type | D-Type | - | D-Type | D-Type | D-Type |
| Output Type | Non-Inverted | Non-Inverted | - | Non-Inverted | Tri-State, Non-Inverted | Non-Inverted |
| Number of Elements | 1 | 1 | - | 1 | 1 | 1 |
| Number of Bits per Element | 8 | 8 | - | 8 | 8 | 8 |
| Clock Frequency | 175 MHz | 175 MHz | - | 175 MHz | 160 MHz | 175 MHz |
| Max Propagation Delay @ V, Max CL | 10ns @ 5V, 50pF | 10ns @ 5V, 50pF | - | 10ns @ 5V, 50pF | 10ns @ 5V, 50pF | 10ns @ 5V, 50pF |
| Trigger Type | Positive Edge | Positive Edge | - | Positive Edge | Positive Edge | Positive Edge |
| Current - Output High, Low | 24mA, 24mA | 24mA, 24mA | - | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | - | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Current - Quiescent (Iq) | 40 µA | 40 µA | - | 40 µA | 40 µA | 40 µA |
| Input Capacitance | 4.5 pF | 4.5 pF | - | 4.5 pF | 4.5 pF | 4.5 pF |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | - | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | - | Surface Mount | Surface Mount | Through Hole |
| Supplier Device Package | 20-SOIC | 20-SOP | - | 20-SOIC | 20-SOIC | 20-PDIP |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.209", 5.30mm Width) | - | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 20-DIP (0.300", 7.62mm) |
