Overview
The 74HCT540DB,118 from Nexperia USA Inc. is an 8-bit inverting buffer/line driver with 3-state outputs. This high-speed Si-gate CMOS device is pin compatible with low power Schottky TTL (LSTTL) and features two output enables (OE1 and OE2). It is designed to operate over a wide supply voltage range, making it versatile for various electronic applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2.0 V | 6.0 V | ||
| Propagation Delay (tpd) | VCC = 4.5 V, CL = 50 pF | 13 ns | 24 ns | 30 ns |
| Output Enable Time (ten) | VCC = 4.5 V, CL = 50 pF | 22 ns | 35 ns | 44 ns |
| Output Disable Time (tdis) | VCC = 4.5 V, CL = 50 pF | 23 ns | 35 ns | 44 ns |
| Transition Time (tt) | VCC = 4.5 V, CL = 50 pF | 5 ns | 12 ns | 15 ns |
| Input Levels | TTL level | |||
| Package Type | 20-SSOP | |||
| Operating Temperature Range | -40°C to 125°C |
Key Features
- Wide supply voltage range from 2.0 V to 6.0 V
- CMOS low power dissipation
- High noise immunity
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
- Inverting outputs
- Two output enables (OE1 and OE2) for 3-state outputs
- ESD protection
- Complies with JEDEC standards (JESD8C and JESD7A)
Applications
The 74HCT540DB,118 is suitable for a variety of applications where high-speed buffering and line driving are required. These include:
- Computer and peripheral interfaces
- Industrial control systems
- Automotive electronics
- Telecommunication equipment
- Consumer electronics requiring high-speed data transfer
Q & A
- What is the primary function of the 74HCT540DB,118?
The primary function is to act as an 8-bit inverting buffer/line driver with 3-state outputs. - What is the supply voltage range for this device?
The supply voltage range is from 2.0 V to 6.0 V. - What are the input levels for the 74HCT540DB,118?
The input levels are TTL compatible. - How many output enables does this device have?
The device has two output enables (OE1 and OE2). - What is the operating temperature range for this device?
The operating temperature range is from -40°C to 125°C. - Does the 74HCT540DB,118 have ESD protection?
Yes, it has ESD protection. - What is the package type of the 74HCT540DB,118?
The package type is 20-SSOP. - What are some common applications for this device?
Common applications include computer and peripheral interfaces, industrial control systems, automotive electronics, and telecommunication equipment. - Does the device comply with any specific standards?
Yes, it complies with JEDEC standards (JESD8C and JESD7A). - What is the propagation delay for the 74HCT540DB,118 at VCC = 4.5 V?
The propagation delay is typically 24 ns, with a maximum of 30 ns.
