RNA51953A Overview
RNA51953A,B are semiconductor integrated circuits designed for detecting supply voltage and resetting all types of logic circuits such as CPUs. They include a built-in delay circuit to provide the desired retardation time simply by adding an external capacitor. They fined extensive applications, including battery checking circuit, level detecting circuit and waveform shaping circuit.
RNA51953A Key Features
- Few external parts
- Large delay time with a capacitor of small capacitance (td ≈ 100 ms, at 0.33 µF)
- Low threshold operating voltage (Supply voltage to keep low-state at low supply voltage): 0.6 V (Typ) at RL = 22 kΩ
- Wide supply voltage range: 2 V to 17 V
- Wide application range
- Ordering Information
- Reset circuit of Pch, Nch, CMOS, microputer, CPU and MCU, Reset of logic circuit, Battery check circuit, switching circu
- Supply voltage range: 2 V to 17 V
- RNA51953A, B
- R2 + 1.25V