TELEFUNKEN Semiconductors
U6206B
1.3 GHz PLL for TV- and VCR- Tuner
Description
The U6206B is a single chip PLL frequency synthesizer
with unidirectional I
2
C bus control. This IC contains a
high frequency prescaler which can be switched off.
5 open collector switching outputs are available.
Features
D
1.3 GHz divide-by-8 prescaler integrated
(can be bypassed)
D
4 addresses selectable at Pin 8 for multituner
application
D
15 bit counter accepts input frequencies up to
170 MHz
D
62.5 kHz (–1.3 GHz)/ 7.8125 kHz (–170 MHz) tuning
steps
D
m
P-controlled by I
2
C-Bus
D
5 switching outputs (open collector )
D
Electrostatic protection according to MILSTD 883
D
SO16 small package
Package:
SO16
Block Diagram
ADDRESS SELECTION (AS)
8
SW1
SW4
SW7
SW2
SW0
11 10 9 7 6
SCL
5
I
2
C–BUS
CONTROL
SDA
4
5 BIT LATCH
SWITCHING
OUTPUTS
7 BIT LATCH
8 BIT LATCH
5 BIT LATCH
T1
GATE
15 BIT LATCH
PSC
14
RFi
13
1 OR 8
PRESCALER
T0
15 BIT COUNTER
PHASE
COMPAR.
CHARGE
PUMP
5I
OS
16
VD
1
PD
OSC
512
12 15
Vs GND
2
3
CRYSTAL
95 10723
Figure 1.
Rev. A1: 25.10.1995
1 (8)