SAA5500PS Philips Semiconductors, SAA5500PS Datasheet - Page 69

• Manufacturer Part Number: SAA5500PS
• Description: Standard TV Microcontrollers with On-Screen Display(OSD)
• Manufacturer: Philips 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. C
5. C
1999 Oct 27
XTALOUT
C
Crystal specification; notes 2 and 3
f
C
C
R
C
C
T
X
X
xtal
xtal
j
d
O
L
1
r
osc
0
Standard TV microcontrollers with
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
SYMBOL
IO
osc(typ)
0(max)
= 7 pF, the mean of the capacitances due to the chip at XTALIN and at XTALOUT. C
= 35
= 2C
L
1
2
C
(C
output capacitance
nominal frequency
crystal load capacitance
crystal motional capacitance
resonance resistance
capacitors at XTALIN, XTALOUT T
crystal holder capacitance
temperature range
adjustment tolerance
drift
IO
osc
+ C
C
ext
IO
PARAMETER
+ C
ext
)
osc
may need to be reduced from the initially selected value.
fundamental
mode
T
T
T
T
CONDITIONS
amb
amb
amb
amb
amb
69
= 25 C
= 25 C
= 25 C
= 25 C
= 25 C
20
MIN.
12
-
note 4
+25
TYP.
ext
Preliminary specification
is a value for the mean
10
30
20
60
note 5
+85
50
100
MAX.
SAA55xx
10
10
6
6
pF
MHz
pF
fF
pF
pF
UNIT
C