Texas Instruments 74HCT series, AND Gate, CD74HCT08EE4, 4 circuits, 2 inputs, 4.5V–5.5V supply, 19ns @ 4.5V/50pF, -55°C–125°C, 14-DIP, Tube.
| Parameter | Value |
|---|---|
| Series | 74HCT |
| Logic type | AND Gate |
| Mounting type | Through Hole |
| Voltage | 4.5V ~ 5.5V |
| Current - quiescent | 2 µA |
| Current - output high, low | 4mA, 4mA |
| Number of inputs | 2 |
| Operating temperature | -55°C ~ 125°C |
| Package | Tube |
| Case | 14-DIP (0.300\", 7.62mm) |
| Number of circuits | 4 |
| Input logic level - low | 0.8V |
| Input logic level - high | 2V |
| Max propagation delay @ v, max CL | 19ns @ 4.5V, 50pF |
Rated for the full military temperature span, this gate is at home in engine-bay electronics, satellite payloads, or any environment where the board sees thermal cycling from -55°C to 125°C. The 74HCT process holds its logic thresholds and drive strength across that range, so you don't get timing surprises at the cold end or leakage at the hot end.
The CD74HCT08EE4 is listed as Active in production and is ROHS3 compliant.
Yes, it is ROHS3 compliant.
Yes, the 74HCT08 operates from 4.5 V to 5.5 V and has TTL-compatible input thresholds (0.8 V low, 2 V high), so it interfaces directly with 5 V TTL and CMOS logic families.
Both are quad 2-input AND gates with the same pinout and function. The key difference is input thresholds: 74HCT uses TTL-compatible levels (0.8 V / 2 V) while 74HC uses CMOS levels (typically 0.3×Vcc / 0.7×Vcc). The 74HCT version is a drop-in for 74LS08 sockets; the 74HC version is not.