Overview
The SN75161BNE4, produced by Texas Instruments, is an octal general-purpose interface bus transceiver designed to meet the requirements of IEEE Standard 488-1978 (GPIB). This device is part of a family of high-speed, low-power Schottky transceivers that provide bus-management and data-transfer signals between operating units of single- or multiple-controller instrumentation systems. The SN75161BNE4 is particularly suited for applications requiring reliable and efficient data transmission and reception in various industrial and scientific environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 4.75 to 5.25 | V |
| Operating Temperature (TA) | 0 to 70 | °C |
| High-Level Input Voltage (VIH) | 2 | V |
| Low-Level Input Voltage (VIL) | 0.8 | V |
| High-Level Output Current (IOH) - Bus | -5.2 | mA |
| High-Level Output Current (IOH) - Terminal | -800 | µA |
| Low-Level Output Current (IOL) - Bus | 48 | mA |
| Low-Level Output Current (IOL) - Terminal | 16 | mA |
| Propagation Delay Time (tPLH/tPHL) | 14 to 20 | ns |
| Input Hysteresis (Vhys) | 0.4 to 0.65 | V |
Key Features
- Meets IEEE Standard 488-1978 (GPIB) for compatibility with a wide range of instrumentation systems.
- 8-channel bidirectional transceivers, enabling both data transmission and reception.
- High-speed, low-power Schottky circuitry for efficient operation.
- Power-up/power-down protection to ensure glitch-free operation during power cycles.
- Active bus-terminating resistor circuits to maintain high impedance when the device is powered down.
- pnp transistor inputs for high input impedance and hysteresis for increased noise immunity.
- 3-state outputs on receivers to present high impedance when disabled.
- Designed to handle loads up to 48 mA of sink current on bus ports.
Applications
The SN75161BNE4 is widely used in various applications, including:
- Instrumentation systems requiring GPIB interface compliance.
- Automated test equipment (ATE) for data transfer and control.
- Industrial control systems needing reliable and fast data communication.
- Scientific instruments and data acquisition systems.
- Any system requiring high-speed, low-power, and reliable bus transceivers.
Q & A
- What is the primary function of the SN75161BNE4?
The primary function of the SN75161BNE4 is to provide 8-channel bidirectional data transmission and reception in compliance with IEEE Standard 488-1978 (GPIB). - What is the operating temperature range of the SN75161BNE4?
The operating temperature range is from 0°C to 70°C. - What is the maximum propagation delay time for the SN75161BNE4?
The maximum propagation delay time is 20 ns. - Does the SN75161BNE4 have power-up/power-down protection?
Yes, it includes power-up/power-down protection to ensure glitch-free operation during power cycles. - What is the input hysteresis of the SN75161BNE4?
The input hysteresis is typically 0.65 V. - Can the SN75161BNE4 handle high current loads?
Yes, it can handle loads up to 48 mA of sink current on bus ports. - What type of circuitry is used in the SN75161BNE4?
The SN75161BNE4 uses high-speed, low-power Schottky circuitry. - Is the SN75161BNE4 suitable for industrial control systems?
Yes, it is suitable for industrial control systems due to its reliability and fast data communication capabilities. - Does the SN75161BNE4 have 3-state outputs?
Yes, the receivers have 3-state outputs to present high impedance when disabled. - What is the purpose of the active bus-terminating resistor circuits?
The active bus-terminating resistor circuits maintain high impedance on the bus when the device is powered down.
