Parameter
Symbol Min Typ Max
Coincidence Detector: Video Transmitter ID Circuit; Time Constant Switches (Pin 18) (See Fig 2)
Detector Output Current
Voltage During Noise (Note 4)
Voltage Level for In−Sync Condition
Switching Level Slow to Fast
±I18
V18−9
V18−9
V18−9
−
300
−
−
0.3
−
−
7.5
−
−
3.5
−
3.2 to 3.8
Switching Level Must Function Active; φ1 Fast to Slow
V± 8−9
−
1.2
−
1.0 to 1.4
Vertical Period Counter 3 periods fast
V18−9
−
0.12
−
0.08 to 0.16
Switching Level Slow to Fast (Locking) Mute Function
Inactive
V18−9
−
1.7
−
1.5 to 1.9
Switching Level Fast to Slow (Locking)
V18−9
−
5.0
−
4.7 to 5.3
Switching Level for VCR (Fast Time Constant)
Without Mute Function
V18−9
−
8.6
−
8.2 to 9.0
Video Transmitter ID Output (Pin 13)
Output Voltage Active (No Sync) at I13 = 1mA
V13−9
−
>10
−
−
11
−
Output Voltage Active (No Sync) at I13 = 5mA
Output Voltage Inactive
V13−9
V13−9
−
>7
−
−
<0.5
−
−
0.1
−
VCR Switching (Pin 13):
Input Current for Fast Time Constant Phase Detector φ1, with Mute
I13
Function Active
−
0.6
−
0.4 to 0.8
Input Pulse Amplitude (Peak−to−Peak Value)
Input Resistance
Delay Time of Sync Pulse (Measured in φ1)
Duration of Vertical Blanking Pulse (Pin 12)
for 50Hz application; 21 lines blanking
for 60Hz application; 17 lines blanking
V12−9 (p−p)
R12−9
to
−I12
−
<12
−
−
2.7
−
−
1.3
−
−
0.2
−
>0.15 to <0.3
−
<0.1
−
Maximum Allowed Input Current
Vertical Sawtooth Generator (Pin 3):
−I12
−
<0.4
−
Vertical Frequency (No Sync)
Frequency Spread (Cosc = 680nF, Rosc = 180k’ at >26V)
Sychronization Range
fs
−
46
−
∆fS
−
<4
−
−
−
22
−
Input Current at V3−9 = 6V
Frequency Shift for Vp = 10 to 13V
Temperature Coefficient
I3
−
<2
−
∆fS
−
<0.2
−
TC
−
1.10−4k
−1
−
Comparator (Pin 2):
Unit
µA
V
V
V
V
V
V
V
V
V
V
V
mA
V
kΩ
µs
mA
mA
Hz
%
%
µA
%
−