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| Part Number | CD74HCT74E | CD74HCT74M | CD74HCT74EX | CD74HC574E | CD74HC74E | CD74HCT174E | CD74HCT374E | CD74HCT574E | CD74HCT73E |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Harris Corporation | Harris Corporation | Harris Corporation | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Obsolete | Obsolete | Active | Active | Active | Active |
| Function | Set(Preset) and Reset | Set(Preset) and Reset | Set(Preset) and Reset | Standard | Set(Preset) and Reset | Master Reset | Standard | Standard | Reset |
| Type | D-Type | D-Type | D-Type | D-Type | D-Type | D-Type | D-Type | D-Type | JK Type |
| Output Type | Complementary | Complementary | Complementary | Tri-State, Non-Inverted | Complementary | Non-Inverted | Tri-State, Non-Inverted | Tri-State, Non-Inverted | Complementary |
| Number of Elements | 2 | 2 | 2 | 1 | 2 | 1 | 1 | 1 | 2 |
| Number of Bits per Element | 1 | 1 | 1 | 8 | 1 | 6 | 8 | 8 | 1 |
| Clock Frequency | 50 MHz | 50 MHz | 50 MHz | 60 MHz | 50 MHz | 25 MHz | 60 MHz | 60 MHz | 60 MHz |
| Max Propagation Delay @ V, Max CL | 35ns @ 4.5V, 50pF | 35ns @ 4.5V, 50pF | 35ns @ 4.5V, 50pF | 28ns @ 6V, 50pF | 30ns @ 6V, 50pF | 40ns @ 4.5V, 50pF | 33ns @ 4.5V, 50pF | 33ns @ 4.5V, 50pF | 38ns @ 4.5V, 50pF |
| Trigger Type | Positive Edge | Positive Edge | Positive Edge | Positive Edge | Positive Edge | Positive Edge | Positive Edge | Positive Edge | Negative Edge |
| Current - Output High, Low | 4mA, 4mA | 4mA, 4mA | 4mA, 4mA | 7.8mA, 7.8mA | 5.2mA, 5.2mA | 4mA, 4mA | 6mA, 6mA | 6mA, 6mA | 4mA, 4mA |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 2V ~ 6V | 2V ~ 6V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Current - Quiescent (Iq) | 4 µA | 4 µA | 4 µA | 8 µA | 4 µA | 8 µA | 8 µA | 8 µA | 4 µA |
| Input Capacitance | 10 pF | 10 pF | 10 pF | 10 pF | 10 pF | 10 pF | 10 pF | 10 pF | 10 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) | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) |
| Mounting Type | Through Hole | Surface Mount | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Supplier Device Package | 14-PDIP | 14-SOIC | 14-PDIP | 20-PDIP | 14-PDIP | 16-PDIP | 20-PDIP | 20-PDIP | 14-PDIP |
| Package / Case | 14-DIP (0.300", 7.62mm) | 14-SOIC (0.154", 3.90mm Width) | 14-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) |
