Overview
The 74AHCT125PW is a quad buffer/line driver with 3-state outputs, manufactured by Nexperia. This component is part of the 74AHCT series, which is known for its compatibility with TTL (Transistor-Transistor Logic) input levels. The device is designed to operate over a wide supply voltage range from 2.0 V to 5.5 V, making it versatile for various electronic designs.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | - | 2.0 | - | 5.5 | V |
| Input Voltage (VIH) | VCC = 4.5 V to 5.5 V | 2.0 | - | - | V |
| Input Voltage (VIL) | VCC = 4.5 V to 5.5 V | - | - | 0.8 | V |
| Propagation Delay (tpd) | VCC = 4.5 V to 5.5 V, CL = 15 pF | 3.0 | 5.5 | - | ns |
| Propagation Delay (tpd) | VCC = 4.5 V to 5.5 V, CL = 50 pF | 4.3 | 7.5 | - | ns |
| Input Capacitance (CI) | - | - | 3.0 | 10 | pF |
| Output Capacitance (CO) | - | - | 4.0 | - | pF |
| ESD Protection (HBM) | - | - | - | >2000 | V |
| ESD Protection (CDM) | - | - | - | >1000 | V |
| Operating Temperature | - | -40 | - | 125 | °C |
| Package | - | - | - | SOT402-1 (TSSOP14) | - |
Key Features
- Wide supply voltage range from 2.0 V to 5.5 V
- Overvoltage tolerant inputs to 5.5 V, allowing use in mixed voltage environments
- High noise immunity and CMOS low power dissipation
- 3-state outputs controlled by the output enable inputs (nOE)
- Inputs include clamp diodes for current limiting resistors to interface with voltages in excess of VCC
- Balanced propagation delays and Schmitt-trigger action on all inputs
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
- Compliant with JEDEC standards: JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V)
Applications
The 74AHCT125PW is suitable for a wide range of applications across various industries, including:
- Automotive systems
- Industrial control systems
- Power management systems
- Computing and consumer electronics
- Mobile and wearable devices
Its versatility in handling different voltage levels and its robust ESD protection make it an ideal choice for mixed voltage environments and high-reliability applications.
Q & A
- What is the supply voltage range of the 74AHCT125PW?
The supply voltage range is from 2.0 V to 5.5 V.
- What are the input voltage levels for the 74AHCT125PW?
The input voltage levels are TTL-compatible, with a HIGH level of 2.0 V and a LOW level of 0.8 V when VCC is between 4.5 V and 5.5 V.
- What is the propagation delay of the 74AHCT125PW?
The propagation delay is approximately 3.0 ns to 7.5 ns, depending on the load capacitance and supply voltage.
- Does the 74AHCT125PW have ESD protection?
Yes, it has ESD protection exceeding 2000 V for HBM and 1000 V for CDM.
- What is the operating temperature range of the 74AHCT125PW?
The operating temperature range is from -40 °C to +125 °C.
- What package type is the 74AHCT125PW available in?
The component is available in the SOT402-1 (TSSOP14) package.
- Is the 74AHCT125PW compliant with environmental regulations?
Yes, it is compliant with EU RoHS, CN RoHS, and ELV directives, and it does not contain REACH SVHC substances exceeding 1000 ppm.
- Can the 74AHCT125PW be used in mixed voltage environments?
Yes, it has overvoltage tolerant inputs to 5.5 V, making it suitable for mixed voltage environments.
- What are the key applications of the 74AHCT125PW?
The component is used in automotive, industrial, power management, computing, and consumer electronics, among other applications.
- Does the 74AHCT125PW have 3-state outputs?
Yes, the outputs are 3-state and controlled by the output enable inputs (nOE).
