Fujitsu MB15C02

MB15C02

(Continued)

Pin no. Pin

name I/O Descriptions

SSOP

16 SSOP

14 17 OSCOUT OOscillator output.

Connection for an external crystal.

–18 NC –No connection

15 19 OSCIN I

Programmable reference divider input.

Oscillator input.

Clock can be input to OSCIN from outside. In the case, please leave OSCOUT

pin open and make connection with OSCIN as AC coupling.

16 20 VSS –Ground pin.

Contents

Main FUJITSU MICROELECTRONICS DATA SHEET DS04213483Ea ASSP Single Serial Input PLL Frequency Synthesizer On-Chip prescaler MB15C02 DESCRIPTION FEATURES MB15C02 PIN ASSIGNMENTS SSOP-20 pin SSOP-16 pin (FPT-20P-M03) PIN DESCRIPTIONS Page MB15C02 BLOCK DIAGRAM ABSOLUTE MAXIMUM RATINGS RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS FUNCTION DESCRIPTIONS 1. Pulse Swallow Function 2. Circuit Description (1) Intermittent operation (2) Programmable divider (3) Programmable reference divider (4) Phase comparator Table. 1 Phase comparator inputs/output relationships (b) Charge pump (c) Phase comparator input/output waveforms Figure 1. Phase comparator input/output waveform Page 4. Setting the Divide Ratio (1) Serial data format Figure 3. Serial data format Figure 3.1. Divide ratio for the programmable divider Figure 3.2. Divide ratio for the programmable reference divider (2) The flow of serial data Figure 4. The flow of serial data (3) Setting the divide ratio for the programmable divider (4) Setting the divide ratio for the programmable reference divider (5) Setting data input timing Figure 5. Serial data input timing MB15C02 Figure 6. Inputting serial data(Setting divisors) TYPICAL CHARACTERISTICS 1. fin Input Sensitivity 2. OSC 3. fin Power Supply Voltage 4. OSC 5. IDD Power Supply Current 6. Do (Charge Pump) Power Supply Voltage 7. Spectrum Wave Form Test circuit 8. Lock Up Time USAGE PRECAUTIONS ORDERING INFORMATION PACKAGE DIMENSIONS 16 pins, Plastic SSOP (Continued) * Dimensions in mm (inches) 1994 FUJITSU LIMITED F20012S-2C-4 (FPT-20P-M03) Page Page Page FUJITSU MICROELECTRONICS LIMITED