SAA5191 Просмотр технического описания (PDF) - Philips Electronics
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SAA5191 Datasheet PDF : 9 Pages
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Philips Semiconductors
Teletext video processor
Preliminary specification
SAA5191
SYMBOL
PARAMETER
CONDITIONS
Text/ scan composite sync input (TCS/SCS)
V28
input voltage LOW for TCS (pin 28)
input voltage HIGH for TCS
input voltage LOW for SCS
input voltage HIGH for SCS
I28
input current
V28 = 0 to 7 V
V28 = 10 to VP
SYNC output buffer
Vo
CVBS sync output signal on pin 1
RL 1 = 1.2 kΩ to VP
(peak-to-peak value)
TCS output signal
RL 1 = 1.2 kΩ to GND
V1
DC output voltage at positive sync signal RL 1 = 1.2 kΩ to GND
DC output voltage at negative sync signal RL 1 = 1.2 kΩ to VP
I1
output current
Video composite sync output (VCS)
V25
output voltage LOW (pin 25)
output voltage HIGH
I25
output current LOW
output current HIGH
td
sync separator delay time
Horizontal phase detector and 13.5 MHz VCO
V10
input voltage LOW (CBB), pin 10
blanking insertion HIGH
blanking inserted
no blanking
I10
input current
Vo
13.5 MHz clock output signal
(peak-to-peak value, pin 17)
V17
CL
t r, t f
DC output voltage
load capacitance on pin 17
rise and fall time
maximum swing
MIN. TYP. MAX. UNIT
0
−
0.8 V
2.0 −
7.0 V
0
−
1.5 V
3.5 −
7.0 V
−40 −70 −100 µA
−
−
±5
µA
−
−
1
V
200 450 650 mV
1.0 1.4 2.0 V
9.0 10.1 11.0 V
−
−
±3
mA
0
−
0.4 V
2.4 −
5.5 V
0
−
0.5 mA
0
−
−1.5 mA
250 350 400 ns
0
−
1.0 −
−
−
1
2
4
−
−
−
10
−
0.5 V
5.5 V
−5
µA
3
V
8.5 V
40
pF
30
ns
March 1991
6
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