U6225B Datasheet, PDF (2/12 Pages) TEMIC Semiconductors – 2.9 GHz PLL for SAT TV Receiver with Universal Bus

U6225B
TELEFUNKEN Semiconductors
Block Diagram
AS
ENA
10
SCL 5
SDA 4
UNIVERSAL
BUS
CONTROL
Lock SW4 SW6
SW1 SW5 SW7
11 9 8 7 6
5 BIT LATCH
SWITCHING
OUTPUTS
7 BIT LATCH 8 BIT LATCH 4 BIT LATCH
T1
GATE
14
RFi
13
15 BIT LATCH
OS
16
PRESCALER
15 BIT COUNTER
T0 5I
PHASE
COMPAR.
CHARGE
PUMP
12 15
Vs GND
OSC
512
23
CRYSTAL
Figure 1. Block diagram
16 VD
1 PD
95 10730
2 (12)
Rev. A1: 25.10.1995