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| Part Number | M74HC374B1R | M74HCT374B1R | M74HCT74B1R | M74HC377B1R | M74HC574B1R | M74HC74B1R | M74HC174B1R |
|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Function | Standard | Standard | Set(Preset) and Reset | Standard | Standard | Set(Preset) and Reset | Master Reset |
| Type | D-Type | D-Type | D-Type | D-Type | D-Type | D-Type | D-Type |
| Output Type | Tri-State, Non-Inverted | Tri-State, Non-Inverted | Complementary | Non-Inverted | Tri-State, Non-Inverted | Complementary | Non-Inverted |
| Number of Elements | 1 | 1 | 2 | 1 | 1 | 2 | 1 |
| Number of Bits per Element | 8 | 8 | 1 | 8 | 8 | 1 | 6 |
| Clock Frequency | 90 MHz | 50 MHz | 48 MHz | 66 MHz | 90 MHz | 67 MHz | 66 MHz |
| Max Propagation Delay @ V, Max CL | 32ns @ 6V, 150pF | 38ns @ 4.5V, 150pF | 33ns @ 4.5V, 50pF | 24ns @ 6V, 50pF | 32ns @ 6V, 150pF | 26ns @ 6V, 50pF | 23ns @ 6V, 50pF |
| Trigger Type | Positive Edge | Positive Edge | Positive Edge | Positive Edge | Positive Edge | Positive Edge | Positive Edge |
| Current - Output High, Low | 7.8mA, 7.8mA | 6mA, 6mA | 4mA, 4mA | 5.2mA, 5.2mA | 7.8mA, 7.8mA | 5.2mA, 5.2mA | 5.2mA, 5.2mA |
| Voltage - Supply | 2V ~ 6V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 2V ~ 6V | 2V ~ 6V | 2V ~ 6V | 2V ~ 6V |
| Current - Quiescent (Iq) | 4 µA | 4 µA | 2 µA | 4 µA | 4 µA | 2 µA | 4 µA |
| Input Capacitance | 5 pF | 5 pF | 5 pF | 5 pF | 5 pF | 5 pF | 5 pF |
| Operating Temperature | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Supplier Device Package | 20-DIP | 14-DIP | 14-DIP | 20-DIP | 20-DIP | 14-DIP | 16-DIP |
| Package / Case | 20-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) |
