ta1318af TOSHIBA Semiconductor CORPORATION, ta1318af Datasheet - Page 10
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ta1318af
Manufacturer Part Number
ta1318af
Description
Sync Processor, Frequency Counter Ic For Tv Component Signals
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TA1318AF.pdf
(42 pages)
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Note 1: The signal format for SYNC1-IN (pin 26) and SYNC2-IN (pin 24)
No.
Pin
24
25
SYNC2-IN
DAC1 (V SYNC output)
This IC doesn’t have the sync-separation circuit for non-standard signals like weak strength signal, ghost signal and so on.
Pin Name
NTSC (525I/60 Hz), PAL/SECAM (625I/50 Hz), NTSC Double Scan (525I/120 Hz), PAL/SECAM Double Scan (625I/100 Hz), 525P/60 Hz, 750P/60 Hz,
1125I/60 Hz, 1125P/30 Hz
Input Y signal (Note 1) for sync
separation circuit.
Input via clamp capacitor.
DAC1 output pin.
In Test mode, it outputs VD or
composite sync signal to
frequency counter.
To improve the driving ability, it
is possible to connect a
resister (minimum: 2 k )
between this pin and GND.
However, when the resister is
added, the output DC voltage
is down.
Function
24
25
200
10
Interface Circuit
1 k
11
18
11
5
White 100Ñ
Input Signal/Output Signal
1 V
V SYNC
p p
DC
or
or
TA1318AF
2003-02-19
7 V
0 V