SAA7197P データシートの表示（PDF） - Philips Electronics
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SAA7197P Datasheet PDF : 16 Pages
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Philips Semiconductors
Product specification
Clock Generator Circuit for desktop video systems (CGC) SAA7197
FEATURES
• Suitable for Desktop Video systems
• Two different sync sources selectable
• PLL frequency multiplier to generate 4 times of input
frequency
• Dividers to generate clocks LLCA, LLCB, LLC2A and
LLC2B (2nd and 4th multiples of input frequency)
• PLL mode or VCO mode selectable
• Reset control and power fail detection
GENERAL DESCRIPTION
The SAA7197 generates all clock signals required for a
digital TV system suitable for the SAA719x family. The
circuit operates in either the phase-locked loop mode
(PLL) or voltage controlled oscillator mode (VCO).
QUICK REFERENCE DATA
SYMBOL
VDDA
VDDD
IDDA
IDDD
VLFCO
fi
VI
VO
Tamb
PARAMETER
analog supply voltage (pin 5)
digital supply voltage (pins 8, 17)
analog supply current
digital supply current
LFCO input voltage (peak-to-peak value)
input frequency range
input voltage LOW
input voltage HIGH
output voltage LOW
output voltage HIGH
operating ambient temperature range
MIN.
4.5
4.5
3
10
1
5.5
0
2.0
0
2.6
0
TYP.
5.0
5.0
−
−
−
−
−
−
−
−
−
MAX.
5.5
5.5
9
60
VDDA
8.0
0.8
VDDD
0.6
VDDD
70
UNIT
V
V
mA
mA
V
MHz
V
V
V
V
°C
ORDERING INFORMATION
EXTENDED TYPE
NUMBER
SAA7197P
SAA7197T
PINS
20
20
PIN POSITION
DIP
SO
PACKAGE
MATERIAL
plastic
plastic
CODE
SOT146-1
SOT163-1
August 1996
2
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