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參數(shù)資料
| 型號： | TA1276AF |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 68/83頁 |
| 文件大?。?/td> | 1585K |
| 代理商： | TA1276AF |
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TA1276AF
2002-01-29
70
Test Conditions (unless otherwise stated, VCC1 = 5 V, VCC2/VCC3/DEF VCC = 9 V, Ta = 25 ± 3°C)
Switching Mode
Note
Parameter
SW16
SW17
SW18
SW20
SW23
SW25
Test Conditions
D9
Vertical Blanking Pulse Start
Phase (1)
Vertical Blanking Pulse End
Phase (1)
D
C
ON
A
ON
Apply a 50 Hz composite video signal to TP52, then
measure the phase difference VP50S1 and the pulse
width VP50S2 of the pin 70 (SCP) waveform in relation to
the pin 49 (sync input) waveform.
D10
Vertical Blanking Pulse Start
Phase (2)
Vertical Blanking Pulse End
Phase (2)
↑
Apply the same conditions as those for D9 except change the input signal to a 60 Hz comp. video signal
and measure the phase difference VP60S and pulse width VP60W.
Vertical Pull-In Range (1)
Input a 50 Hz composite video signal to pin TP52, vary the vertical frequency of this signal in 0.5H-steps,
and measure the vertical pull-in range.
Vertical Pull-In Range (2)
Set D5 to D3 of subaddress (17) to (001), vary the vertical frequency of a 60 Hz composite video signal
input to pin TP52 in 0.5H-steps, and measure the vertical pull-in range.
Vertical Pull-In Range (3)
Input a 50 Hz composite video signal to pin TP52, vary the vertical frequency of this signal in 0.5H-steps,
and measure the number of Hs when D2 of the 1
st byte changes from 0 to 1 in bus read mode. Also check
that D1 of the 1
st byte is 0 when 1 V
= 312.5H, when D1 is 1 in bus read mode, and 1 V < 311.5 or 1 V >
313.5H.
D11
Vertical Pull-In Range (4)
↑
Input a 60 Hz composite video signal to pin TP52, vary the vertical frequency of this signal in 0.5H-steps,
and measure the number of Hs when D2 of the 1
st byte changes from 1 to 0 in bus read mode when. Also
check that D1 of the 1
st byte is 0 when 1 V
= 262.5H, D1 is 1 in bus read mode, and 1 V < 261.5 or 1 V >
263.5H.
52
TG7
(sync input)
TP52
Pin 52
M
47
(sync input)
Pin 47
70
(SCP)
Pin 70
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