Philips Semiconductors
One page Economy Teletext/TV
microcontroller
Preliminary specification
SAA5290
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
ADC0, ADC1 AND ADC2
VIL
LOW level input voltage
Analog input/output
−0.3
−
VDD
V
BLACK
Cblack
Vblack
storage capacitor to ground
black level voltage for nominal
sync amplitude
ILI
input leakage current
Crystal oscillator
−
100
−
nF
1.8
2.15
2.5
V
−10
−
+10
µA
OSCIN
VIL
LOW level input voltage
VIH
HIGH level input voltage
CI
input capacitance
−0.3
−
0.7VDD
−
−
−
0.2VDD − 0.1 V
VDD + 0.3 V
10
pF
OSCOUT
fosc
crystal oscillator frequency
CO
output capacitance
−
12
−
MHz
−
−
10
pF
CRYSTAL SPECIFICATION (note 2)
fxtal
nominal frequency
CL
load capacitance
C1
series capacitance
C0
parallel capacitance
Rr
resonance resistance
Txtal
temperature range
Xj
adjustment tolerance
Xd
drift
Tamb = 25 °C
Tamb = 25 °C
Tamb = 25 °C
Tamb = 25 °C
−
12
−
MHz
−
32
−
pF
−
18.5
−
fF
−
4.9
−
pF
−
35
−
Ω
−20
+25
+70
°C
−
−
±50 × 10−6
−
−
±30 × 10−6
Notes
1. All RGB current is sourced from the RGBREF pin. The maximum effective series resistance between RGBREF and
the R, G and B pins is 150 Ω.
2. Crystal order number 4322 143 05561.
February 1995
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