參數(shù)資料
型號: TB1254N
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP56
封裝: 0.600 INCH, PLASTIC, SDIP-56
文件頁數(shù): 58/58頁
文件大?。?/td> 526K
代理商: TB1254N
Ver3.7
00/01/28 9
PIN NAME
FUNCTION
INTERFACE
38
SYNC IN
An input terminal for Sync signal.
The input sync chip is clamped by
charging/discharging the coupling capacitors
so as to align the Sync slice level, therefore
input through low impedance buffer.
(input level 1Vp-p/140IRE)
38
33
31
1k
6k
24k
832
3VF
39
Y IN
An input terminal for Y signal.
The pedestal level is clamped by means of
charging/discharging the coupling capacitor,
therefore input through low impedance buffer.
(1Vp-p/140IRE input level)
39
1k
<Amp>
<Clamp> <read Bus>
42
19
40
DC RESTOR
A terminal to be connected with a capacitor to
detect the average picture level for DC
restoration.
The ratio of the DC restoration is set by bus.
Leave this terminal open if the DC restoration
is not required.
40
19
42
10k
50k
41
MON OUT
An output terminal of AV SW monitor.
The input signal for pin # 46/48 is output
through 6dB amplifier .
(output level 2Vp-p/140IRE)
41
19
14
8k
2V
42
Y/C VCC
An Vcc terminal for Y/C circuit.
Supply 5V.
相關(guān)PDF資料
PDF描述
TB1261F SPECIALTY CONSUMER CIRCUIT, PQFP80
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TB1308FG SYNC SEPARATOR IC, PQFP48
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