SAA1305T Overview
The SAA1305T is an on/off logic IC, intended for use in car radios to interface between a microcontroller and various input signals such as ignition, low supply detection, on/off key and external control signals. QUICK REFERENCE DATA SYMBOL VDD Iq fSCL(max) Tvj PARAMETER supply voltage quiescent supply current maximum SCL clock frequency virtual junction temperature CONDITIONS operating MIN. 4.5 − − SAA1305T The...
SAA1305T Key Features
- 8 accurate Schmitt trigger inputs with clamp circuits
- Very low quiescent current
- Reset generator circuit
- Changed information output
- On/off output to control a regulator IC which supplies the microcontroller
- 32.768 kHz RC oscillator and/or a 32.768 kHz crystal oscillator
- No delayed reset needed (start-up behaviour oscillator fixed by internal logic)
- Watchdog timer function
- Blinking LED oscillator with drive circuit for LED
- Watch function. GENERAL DESCRIPTION The SAA1305T is an on/off logic IC, intended for use in car radios to interface betw