X4005
FEATURES
- Selectable watchdog timer
- Select 200ms, 600ms, 1.4s, off
- Low VCC detection and reset assertion
- Five standard reset threshold voltages nominal 4.62V, 4.38V, 2.92V, 2.68V, 1.75V
- Adjust low VCC reset threshold voltage using special programming sequence
- Reset signal valid to VCC = 1V
- Low power CMOS
- 12µA typical standby current, watchdog on
- 800n A typical standby current watchdog off
- 3m A active current
- 400k Hz I2C interface
- 1.8V to 5.5V power supply operation
- Available packages
- 8 Ld SOIC
- 8 Ld MSOP
- Pb-free plus anneal available (Ro HS pliant)
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DESCRIPTION
These devices bine three popular functions, Power-on Reset Control, Watchdog Timer, and Supply Voltage Supervision. This bination lowers system cost, reduces board space requirements, and increases reliability. Applying power to the device activates the power-on reset circuit which holds RESET/RESET active for a period of time. This allows the power supply and oscillator to stabilize before the processor can...
