Overview
The 74HCT374DB,118 is an octal D-type flip-flop integrated circuit produced by Nexperia USA Inc. This component is part of the 74HCT series, which is known for its high-speed CMOS logic. The device features eight D-type flip-flops with 3-state outputs, making it suitable for a variety of digital logic applications. It operates within a supply voltage range of 4.5 to 5.5 volts, aligning with TTL logic levels.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | fmax (MHz) | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74HCT374DB | 4.5 - 5.5 | TTL | ± 6 | 13 | 48 | low | -40 ~ 125 | 100 | 4.6 | 44.6 | SSOP20 (SOT339-1) |
Key Features
- Octal D-type flip-flops with 3-state outputs, allowing for bus-oriented applications.
- Common 3-state output enable input (OE) which does not affect the state of the latches.
- Latch enable (LE) input to control data entry into the latches.
- Wide operating temperature range from -40°C to +125°C.
- Low power dissipation and high noise immunity.
- ESD protection: HBM (Human Body Model) exceeds 2000 V and CDM (Charged Device Model) exceeds 1000 V.
- Complies with JEDEC standards: JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V).
Applications
The 74HCT374DB,118 is suitable for various digital logic applications, including:
- Bus-oriented systems where 3-state outputs are necessary.
- Memory and register applications requiring D-type flip-flops.
- General-purpose digital logic circuits.
- Systems requiring low power consumption and high noise immunity.
Q & A
- What is the supply voltage range for the 74HCT374DB,118?
The supply voltage range is 4.5 to 5.5 volts. - What type of logic switching levels does the 74HCT374DB,118 use?
The device uses TTL logic switching levels. - What is the maximum frequency of operation for the 74HCT374DB,118?
The maximum frequency of operation is 48 MHz. - What is the output drive capability of the 74HCT374DB,118?
The output drive capability is ± 6 mA. - What is the operating temperature range for the 74HCT374DB,118?
The operating temperature range is from -40°C to +125°C. - Does the 74HCT374DB,118 have ESD protection?
Yes, it has ESD protection exceeding 2000 V for HBM and 1000 V for CDM. - What package type is the 74HCT374DB,118 available in?
The device is available in an SSOP20 (SOT339-1) package. - Is the 74HCT374DB,118 compliant with JEDEC standards?
Yes, it complies with JEDEC standards JESD8C and JESD7A. - What is the purpose of the OE and LE inputs on the 74HCT374DB,118?
The OE input controls the 3-state output, and the LE input controls data entry into the latches. - Is the 74HCT374DB,118 suitable for bus-oriented applications?
Yes, it is suitable due to its 3-state outputs.
