SAA5249GP/E PHILIPS [NXP Semiconductors], SAA5249GP/E Datasheet - Page 28
SAA5249GP/E
Manufacturer Part Number
SAA5249GP/E
Description
Integrated VIP and Teletext with Background Memory Controller IVT1.1BMCX
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.SAA5249GPE.pdf
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Philips Semiconductors
CLOCK SYSTEMS
Crystal oscillator
The crystal is a conventional 2-pin design operating at 27 MHz. It is capable of oscillating with both fundamental and third
overtone mode crystals. External components should be used to suppress the fundamental output of the third overtone
as illustrated in Fig.13.
Table 11 Crystal characteristics (see Fig.13)
1996 Nov 07
Crystal (27 MHz, 3rd overtone)
C1
C0
C
R
R1
X
X
X
a
j
d
Integrated VIP and Teletext with
Background Memory Controller
L
r
SYMBOL
Fig.13 Crystal oscillator application diagram for SOT240-1; pins in parenthesis are for SOT319-1.
series capacitance
parallel capacitance
load capacitance
resonance resistance
series resistance
ageing
adjustment tolerance
drift
3.3 k
1 nF
PARAMETER
overtone
27 MHz
3.3 H
3rd
15 pF
8.2 pF
100 nF
OSCOUT
28
OSCIN
GNDO
V DD1
MIN.
3 (25)
4 (27)
6 (29)
5 (28)
1.7
5.2
20
20
OSCILLATOR
TYP.
CRYSTAL
SAA5249
50
5
25
25
MAX.
Preliminary specification
MLB308
SAA5249
pF
pF
pF
10
10
10
6
6
6
UNIT
/year
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