SAA5281 Ver la hoja de datos (PDF) - Philips Electronics
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SAA5281 Datasheet PDF : 48 Pages
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Philips Semiconductors
Integrated Video input processor and
Teletext decoder (IVT1.8*)
Preliminary specification
SAA5281
SYMBOL
PARAMETER
CONDITIONS
MIN.
BLACK
Cblack
storage capacitor to ground
−
Vblack
black level voltage for nominal
1.8
sync amplitude
ILI
input leakage current
VI = 0 to VDD
−10
SDA (OPEN-DRAIN INPUT/OUTPUT)
VIL
LOW level input voltage
−0.3
VIH
HIGH level input voltage
3.0
VOL
LOW level output voltage
IOL = 3 mA
0
ILI
input leakage current
VI = 0 to VDD
−10
CI
input capacitance
−
CL
load capacitance
−
tr
input rise time
between 10% and 90% −
tf
input fall time
between 90% and 10% −
tf
output fall time
between 3 V and 1 V −
Outputs
STTV
Gsttv
gain of STTV relative to video
input
Vtcs
∆Vtcs
TCS voltage amplitude
DC shift between TCS output
and nominal video output
IO
output drive current
CL
load capacitance
R, G AND B
VOL
LOW level output voltage
VOH
HIGH level output voltage
|Zo|
CL
tr
tf
BLAN
output impedance
load capacitance
output rise time
output fall time
IOL = 2 mA
IOH = −1.6 mA;
VRGBREF < VDD − 2 V;
note 2
between 10% and 90%
between 90% and 10%
0.9
0.2
−
−
−
0
VRGBREF
− 0.25
−
−
−
−
VOL
LOW level output voltage
IOL = 1.6 mA
0
VOH
HIGH level output voltage
IOH = − 0.2 mA
1.1
IOH = 0 mA
−
CL
load capacitance
−
tr
output rise time
between 10% and 90% −
tf
output fall time
between 90% and 10% −
TYP.
MAX.
UNIT
100
−
nF
2.15
2.5
V
−
+10
µA
−
+1.5
V
−
VDD + 0.5 V
−
0.5
V
−
+10
µA
−
10
pF
−
400
pF
−
2
µs
−
2
µs
−
200
ns
1.0
1.1
0.3
0.45
V
−
0.15
V
−
3.0
mA
−
100
pF
−
0.2
V
VRGBREF VRGBREF V
+ 0.5
−
200
Ω
−
50
pF
−
20
ns
−
20
ns
−
0.4
V
−
−
V
−
2.8
V
−
50
pF
−
20
ns
−
20
ns
1996 Nov 04
11
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