Overview
The SN74CBTLV3257DR is a 4-bit 1-of-2 high-speed FET multiplexer/demultiplexer produced by Texas Instruments. This device is designed to provide low on-state resistance, enabling connections with minimal propagation delay. It is fully specified for partial-power-down applications, ensuring isolation during power-off and preventing damaging current backflow through the device. The SN74CBTLV3257DR is packaged in a 16-pin SOIC (D) package and operates within a temperature range of -40°C to 85°C, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 16-SOIC (D) |
| Pins | 16 |
| Operating Temperature Range (°C) | -40 to 85 |
| Voltage Supply | 2.3V ~ 3.6V |
| Independent Circuits | 4 |
| Mounting Type | Surface Mount |
| Product Status | Active |
Key Features
- 5-Ω Switch Connection Between Two Ports
- Rail-to-Rail Switching on Data I/O Ports
- Supports Partial-Power-Down Mode Operation with Ioff
- Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
- ESD Protection Exceeds JESD 22: 2000-V Human-Body Model (A114-A) and 200-V Machine Model (A115-A)
Applications
The SN74CBTLV3257DR is versatile and can be used in various applications requiring high-speed multiplexing and demultiplexing. These include but are not limited to:
- Embedded systems
- Internet of Things (IoT) devices
- High-speed data transmission systems
- Partial-power-down applications where power management is critical
Q & A
- What is the primary function of the SN74CBTLV3257DR?
The SN74CBTLV3257DR is a 4-bit 1-of-2 high-speed FET multiplexer/demultiplexer. - What is the operating temperature range of the SN74CBTLV3257DR?
The operating temperature range is -40°C to 85°C. - What type of package does the SN74CBTLV3257DR come in?
The device is packaged in a 16-pin SOIC (D) package. - What is the voltage supply range for the SN74CBTLV3257DR?
The voltage supply range is 2.3V to 3.6V. - Does the SN74CBTLV3257DR support partial-power-down mode?
Yes, it supports partial-power-down mode operation with Ioff. - What is the on-state resistance of the switch?
The on-state resistance of the switch is 5 Ω. - What kind of ESD protection does the SN74CBTLV3257DR have?
The device has ESD protection exceeding JESD 22: 2000-V Human-Body Model (A114-A) and 200-V Machine Model (A115-A). - How many independent circuits does the SN74CBTLV3257DR have?
The device has 4 independent circuits. - What is the purpose of the output-enable (OE) input?
The FET multiplexers/demultiplexers are disabled when the output-enable (OE) input is high. - How should the OE input be configured during power-up or power-down?
The OE input should be tied to VCC through a pullup resistor to ensure a high-impedance state.
