S5T8809
S5T8809 is PLL FREQUENCY SYNTHESIZER FOR PAGER manufactured by Samsung Semiconductor.
PLL FREQUENCY SYNTHESIZER FOR PAGER
INTRODUCTION
S5T8809 is a superior low-power-programmable PLL frequency synthesizer which can be used in high performance / Simple application for a Wide Area Pager system. S5T8809 consists of 2 kinds of divider block including a 19-bit Shift register, 16/18-bit Latch, 13/15bits R-counter and 16/18-bit NCounter, 32/33 Prescaler, and a phase detector block including a Phase detector, Lock detector and a Charge pump. S5T8809 also has a battery saving mode which can control each register block by serial control data from the µ-controller (MI) and it also has boost up signal output for fast locking.
16-TSSOP-0044
( Magnification = 1 : 4...
