Overview
The 74HC257DB,118 is a quad 2-input multiplexer with 3-state outputs, manufactured by NXP USA Inc. This integrated circuit is part of the 74HC series, known for its high-performance and low-power CMOS logic. The device is designed to select one of two data inputs for each of the four multiplexers, based on the select input. It features a wide supply voltage range, making it versatile for various applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2.0 | - | 6.0 | V |
| Operating Temperature | -40 | - | 125 | °C |
| Package Type | - | - | 16-SSOP | - |
| Output Current (High, Low) | - | - | 7.8mA, 7.8mA | - |
| Propagation Delay (tpd) | 13 | - | 53 | ns |
| Enable Time (ten) | 15 | - | 45 | ns |
| Disable Time (tdis) | 16 | - | 45 | ns |
Key Features
- Wide Supply Voltage Range: From 2.0 V to 6.0 V, making it compatible with a variety of systems.
- CMOS Low Power Dissipation: Low power consumption, suitable for battery-powered devices and energy-efficient designs.
- High Noise Immunity: Ensures reliable operation in noisy environments.
- 3-State Outputs: Allows direct interface with system buses.
- Latch-up Performance: Exceeds 100 mA per JESD 78 Class II Level B.
- ESD Protection: Human Body Model (HBM) JESD22-A114F exceeds 2000 V and Machine Model (MM) JESD22-A115-A exceeds 200 V.
- Non-inverting Data Path: Simplifies circuit design.
Applications
- Data Selection and Multiplexing: Ideal for selecting one of two data inputs in various digital systems.
- Bus Systems: Directly interfaces with system buses due to its 3-state outputs.
- Low-Power Devices: Suitable for battery-powered devices and energy-efficient designs.
- Noisy Environments: High noise immunity ensures reliable operation in noisy environments.
Q & A
- What is the 74HC257DB,118?
The 74HC257DB,118 is a quad 2-input multiplexer with 3-state outputs, manufactured by NXP USA Inc.
- What is the supply voltage range of the 74HC257DB,118?
The supply voltage range is from 2.0 V to 6.0 V.
- What is the operating temperature range of the 74HC257DB,118?
The operating temperature range is from -40°C to 125°C.
- What type of package does the 74HC257DB,118 come in?
The device comes in a 16-SSOP package.
- What are the key features of the 74HC257DB,118?
Key features include a wide supply voltage range, CMOS low power dissipation, high noise immunity, 3-state outputs, and high ESD protection.
- What are some common applications of the 74HC257DB,118?
Common applications include data selection and multiplexing, bus systems, low-power devices, and noisy environments.
- How does the 74HC257DB,118 handle latch-up performance?
The latch-up performance exceeds 100 mA per JESD 78 Class II Level B.
- What is the propagation delay of the 74HC257DB,118?
The propagation delay ranges from 13 ns to 53 ns depending on the conditions.
- Does the 74HC257DB,118 have ESD protection?
Yes, it has ESD protection with HBM JESD22-A114F exceeding 2000 V and MM JESD22-A115-A exceeding 200 V.
- Can the 74HC257DB,118 be used in battery-powered devices?
Yes, it is suitable for battery-powered devices due to its low power dissipation.
