Description
ELM446 50Hz Generator .
The ELM446 is an 8 pin digital divider integrated circuit, that provides both 50Hz and 1Hz outputs from a common 3.
Features
* Low power CMOS design
* Wide supply range - 3.0 to 5.5 volt operation
* 3.58MHz crystal controlled operation
* Generates both 50Hz and 1Hz references
* Low parts count
* Complementary 50Hz outputs
* High current drive outputs - up to 25 mA
C
Applications
* Stable 50Hz reference
* Master oscillator for clock / timekeeping functions
* Decimal based time reference for easier period calculations
VDD XT1 XT2 reset
1 2 3 4 8 7 6 5
VSS 1Hz 50Hz 50Hz
Block Diagram
VDD reset
4
Master Oscillator XT1 XT2
2
Divider
รท 50
7
1Hz
6
