Overview
The SN75454BPSR is a dual-peripheral driver from Texas Instruments, designed for use in systems that employ TTL (Transistor-Transistor Logic) logic. This device is part of the SN7545xB family, which is functionally interchangeable with and replaces the earlier SN75450 and SN75450A families. The SN75454BPSR is specifically a dual peripheral NOR driver, assuming positive logic, with the output of the logic gates internally connected to the bases of the npn output transistors. It is characterized for operation from 0°C to 70°C, making it suitable for a wide range of applications requiring high-current and high-speed switching capabilities.
Key Specifications
| Parameter | MIN | MAX | UNIT |
|---|---|---|---|
| VCC (Supply voltage) | - | 7 | V |
| VI (Input voltage) | - | 5.5 | V |
| VO (Off-state output voltage) | - | 30 | V |
| IOK (Continuous collector or output current) | - | 400 | mA |
| Peak collector or output current (tw ≤10 ms, duty cycle ≤50%) | - | 500 | mA |
| TA (Operating free-air temperature) | 0 | 70 | °C |
| tPLH (Propagation delay time, low-to-high-level output) | 27 | 35 | ns |
| tPHL (Propagation delay time, high-to-low-level output) | 27 | 35 | ns |
Key Features
- Characterized for use up to 300 mA
- High-voltage outputs up to 30 V
- No output latch-up at 20 V (after conducting 300 mA)
- High-speed switching
- Open-collector outputs
- Circuit flexibility for varied applications
- TTL-compatible diode-clamped inputs
- Standard supply voltages
Applications
- High-speed logic buffers
- Power drivers
- Lamp drivers
- LED drivers
- Line drivers
- Memory drivers
Q & A
- What is the operating temperature range for the SN75454BPSR?
The SN75454BPSR operates from 0°C to 70°C.
- What is the maximum continuous collector or output current for the SN75454BPSR?
The maximum continuous collector or output current is 400 mA.
- What is the maximum peak collector or output current for the SN75454BPSR?
The maximum peak collector or output current is 500 mA (tw ≤10 ms, duty cycle ≤50%).
- What are the typical propagation delay times for the SN75454BPSR?
The typical propagation delay times are 27-35 ns for both low-to-high and high-to-low level outputs.
- Is the SN75454BPSR susceptible to output latch-up?
No, the SN75454BPSR is designed to ensure freedom from latch-up at 20 V after conducting 300 mA.
- What types of logic gates are available in the SNx545xB family?
The SNx545xB family includes dual peripheral AND, NAND, OR, and NOR drivers.
- What are the package options for the SN75454BPSR?
The SN75454BPSR is available in PDIP, SOIC, and SO packages.
- Are the inputs of the SN75454BPSR TTL-compatible?
- What are some common applications for the SN75454BPSR?
- Is the SN75454BPSR RoHS compliant?
