saa5547ps NXP Semiconductors, saa5547ps Datasheet - Page 73

• Manufacturer Part Number: saa5547ps
• Description: Saa550x; Saa554x Tv Microcontrollers With Closed Captioning Cc And On-screen Display Osd
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Notes
1. Peripheral current is dependent on external components and voltage levels on I/Os.
2. Crystal order number 4322 143 05561.
3. If the 4322 143 05561 crystal is not used, then the formulae in the crystal specification should be used. Where
4.
5.
2000 Feb 23
Crystal specification; notes 2 and 3
f
C
C
R
C
C
T
X
X
xtal
SYMBOL
xtal
j
d
L
1
r
osc
0
TV microcontrollers with Closed Captioning (CC)
and On-Screen Display (OSD)
C
of the stray capacitances due to the external circuit at XTALIN and XTALOUT. The maximum value for the crystal
holder capacitance is to ensure start-up
C
C
IO
osc(typ)
0(max)
= 7 pF, the mean of the capacitances due to the chip at XTALIN and at XTALOUT. C
=
=
nominal frequency
crystal load capacitance
crystal motional capacitance
resonance resistance
capacitors at XTALIN, XTALOUT
crystal holder capacitance
temperature range
adjustment tolerance
drift
35
2C
–
L
1
-- - C
2
–
C
osc
PARAMETER
IO
+
–
C
C
ext
IO
+
C
ext
C
osc
fundamental
mode
T
T
T
T
T
may need to be reduced from the initially selected value.
CONDITIONS
amb
amb
amb
amb
amb
= 25 C
= 25 C
= 25 C
= 25 C
= 25 C
73
20
MIN.
12
note 4
+25
TYP.
ext
30
20
60
note 5
+85
Preliminary specification
50
100
is a value for the mean
MAX.
10
10
SAA55xx
6
6
MHz
pF
fF
pF
pF
C
UNIT