saa5191 NXP Semiconductors, saa5191 Datasheet - Page 6

• Manufacturer Part Number: saa5191
• Description: Teletext Video Processor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
March 1991
Text/ scan composite sync input (TCS/SCS)
V
I
SYNC output buffer
V
V
I
Video composite sync output (VCS)
V
I
t
Horizontal phase detector and 13.5 MHz VCO
V
I
V
V
C
t
28
1
25
d
10
SYMBOL
r
28
o
1
25
10
o
17
Teletext video processor
L
, t
f
input voltage LOW for TCS (pin 28)
input voltage HIGH for TCS
input voltage LOW for SCS
input voltage HIGH for SCS
input current
CVBS sync output signal on pin 1
(peak-to-peak value)
TCS output signal
DC output voltage at positive sync signal
DC output voltage at negative sync signal
output current
output voltage LOW (pin 25)
output voltage HIGH
output current LOW
output current HIGH
sync separator delay time
input voltage LOW (CBB), pin 10
blanking insertion HIGH
input current
13.5 MHz clock output signal
(peak-to-peak value, pin 17)
DC output voltage
load capacitance on pin 17
rise and fall time
PARAMETER
V
V
R
R
R
R
blanking inserted
no blanking
maximum swing
6
28
28
L 1
L 1
L 1
L 1
= 0 to 7 V
= 10 to V
= 1.2 k to V
= 1.2 k to GND
= 1.2 k to GND
= 1.2 k to V
CONDITIONS
P
P
P
0
2.0
0
3.5
200
1.0
9.0
0
2.4
0
0
250
0
1.0
1
4
10
MIN.
40
450
1.4
10.1
350
2
Preliminary specification
TYP.
70
SAA5191
0.8
7.0
1.5
7.0
1
650
2.0
11.0
0.4
5.5
0.5
400
0.5
5.5
3
8.5
40
30
MAX.
100
1.5
5
5
3
V
V
V
V
V
mV
V
V
mA
V
V
mA
mA
ns
V
V
V
V
pF
ns
UNIT
A
A
A