DESCRIPTION
FEATURES
High maximum input operating frequency — 185 MHz at VDD1 = 1.0 V Up to 22 MHz internal crystal oscillator reference frequency at VDD1 = 1.0 V Extremely low current consumption (IDD,total typically 0.4 mA at fFIN = 90 MHz) 18-bit programmable input frequency divider (including a ÷ 64/65 prescaler) with divide ratio range from 4032 to 262143 13-bit programmable reference frequency divider (including a ÷ 8 prescaler) with divide ratio range from 40 to 65528 Optional lock detector output Charge pump output for passive low-pass filter Quick-lock signal output for faster locking Separate pin for stand-by control TSSOP 16L package (0.65mm pitch) APPLICATIONS
Pager Wireless communication system Page 1 June 2001 FS8108 the wireless IC company Package and Pin Assignment: 16L, TSSOP XIN XOUT VDD2 DB DO VSS FIN VDD1 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 TEST NC OPR LE DATA CLK LD NC HiMARK FS8108 Dimensions in mm Symbols MIN. A A1 A2 b C D E E1 e L y θ --0.05 0.80 0.19 0.09 4.90 --4.30 --0.45 --0° NOM. ----1.00 ----5.00 6.40 4.40 0.65 0.60 ----MAX.
