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PDF U6207B Data sheet ( Hoja de datos )
| Número de pieza | U6207B | |
| Descripción | 1.3 GHz PLL | |
| Fabricantes | TEMIC Semiconductors | |
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1.3 GHz PLL with I2C Bus for TV Tuner
U6207B
Description
The U6207B is a single chip frequency synthesizer with
I2C bus control. This IC contains a high frequency
prescaler which can be switched off. The maximum input
frequency at switched off prescaler is 220 MHz, so that
Features
D 1.3 GHz divide-by-8 prescaler integrated
(can be bypassed)
D 15 bit counter accepts input frequencies
up to 220 MHz
D m P-controlled by I2C bus
D 3 switching outputs (open collector)
special channels, e.g. weather forecast channels, can be
received. 3 open collector switching outputs are
available.
D 4 addresses selectable at Pin 7 for multituner
application
D 62.5 kHz (–1.3 GHz)/ 7.8125 kHz (–220 MHz)
tuning steps
D Electrostatic protection according to MIL-STD 883
D SO14 package
Block Diagram
Address selection (AS)
7
SW1 SW2 SW7
986
SCL 5
SDA 4
I2C bus
control
3 bit latch
Switching
outputs
7 bit latch 8 bit latch 5 bit latch
T1 Gate
12
RFi
11
B 1 or 8
Prescaler
15 bit latch
15 bit counter
PSC
T0 5I
Phase
Charge
compar. pump
OSC B 512
10 13
Vs GND
23
Crystal
Ordering Information
Figure 1.
Extended Type Number
U6207B-FPG3
Package
SO14 plastic package
OS
14 VD
1 PD
96 11666
Remarks
Taped and reeled
TELEFUNKEN Semiconductors
Rev. A1, 29-May-96
1 (8)
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
I2C Bus Description (continued)
Pulse Diagram
U6207B
ADDRESS BYTE
/ A / 1.BYTE / A / 2.BYTE / A / 3.BYTE / A / 4.BYTE / A /
SDA
SCL
START 1 2 3 4 5 6 7 8 9 1...
8 9 1...
Figure 3.
8 9 1...
8 9 1...
8 9 STOP
95 10724
Bus Timing
SDA
SCL
t W STA
t
S STA
t
LOW
t
HIGH
tt
RF
t
H STA
START
CLOCK
t
S DAT
t
H DAT
DATACHANGE
Figure 4.
95 10725
t
S STO
STOP
TELEFUNKEN Semiconductors
Rev. A1, 29-May-96
5 (8)
Datasheet pdf - http://www.DataSheet4U.net/
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet U6207B.PDF ] | |
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