SAA5290 Просмотр технического описания (PDF) - Philips Electronics
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производитель
SAA5290 Datasheet PDF : 33 Pages
| |||
Philips Semiconductors
One page Economy Teletext/TV
microcontroller
Preliminary specification
SAA5290
SYMBOL
PARAMETER
CONDITIONS
Digital input/outputs
P0.0 TO P0.4, P0.7, P1.0 TO P1.5, P2.0 TO P2.7 AND P3.0 TO P3.5
VIL
LOW level input voltage
VIH
HIGH level input voltage
CI
input capacitance
VOL
LOW level output voltage
IOL = 3.2 mA
CL
load capacitance
P0.5 AND P0.6
VIL
LOW level input voltage
VIH
HIGH level input voltage
CI
input capacitance
VOL
LOW level output voltage
IOL = 10 mA
CL
load capacitance
P1.6 AND P1.7
VIL
LOW level input voltage
VIH
HIGH level input voltage
CI
input capacitance
VOL
LOW level output voltage
IOL = 3 mA
CL
load capacitance
tf
output fall time
between 3 and 1 V
Analog inputs
CVBS0 AND CVBS1
Vsync
Vvid(p-p)
sync voltage amplitude
video input voltage amplitude
(peak-to-peak value)
Zsource
VIH
|ZI|
CI
source impedance
HIGH level input voltage
input impedance
input capacitance
IREF
Rgnd
resistor to ground
RGBREF (note 1)
VI
input voltage
II
DC input current
MIN.
TYP.
−0.3
−
0.2VDD + 0.9 −
−
−
0
−
−
−
−0.3
−
0.2VDD + 0.9 −
−
−
0
−
−
−
−0.3
−
3.0
−
−
−
0
−
−
−
−
−
0.1
0.3
0.7
1.0
−
−
3.0
−
2.5
5.0
−
−
−
27
−0.3
−
−
−
MAX. UNIT
0.2VDD − 0.1 V
VDD + 0.3 V
4
pF
0.45
V
50
pF
0.2VDD − 0.1 V
VDD + 0.3 V
4
pF
0.45
V
50
pF
+1.5
V
VDD + 0.3 V
5
pF
0.5
V
400
pF
200
ns
0.6
V
1.4
V
250
Ω
VDD + 0.3 V
−
kΩ
10
pF
−
kΩ
VDD
V
12
mA
February 1995
10
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