TA1276AFG Datasheet, PDF (68/83 Pages) Toshiba Semiconductor – PAL/NTSC Video Chroma And Deflection IC For CTV

TA1276AFG
Note
Parameter
SW₁₆
SW₁₇
Test Conditions (unless otherwise stated, V_CC1 = 5 V, V_CC2/V_CC3/DEF V_CC = 9 V, Ta = 25 ± 3°C)
Switching Mode
SW₁₈ SW₂₀ SW₂₃ SW₂₅ SW₃₅
Test Conditions
52
˓^M
Pin 52
TP52
TG7
(sync input)
Apply a 50 Hz composite video signal to TP52, then
measure the phase difference CP_S and the pulse width
CP_W of the pin 22 (R in) waveform in relation to the pin
49 (HD.out) waveform.
63.5 µs
49
Clamp Pulse Start Phase
D₅
D
C
ON ON
A
ON OPEN
Pulse Width of Clamp Pulse
22
Pin 49 Pin 52
(HD.OUT) ^{Input Signal}
Pin 22
(rin)
Pin 49
Waveform
CP_S
Pin 22
5V
Waveform
4.7 µs
CP_W
0.25 V
5.0 V
3.5 V
Gate Pulse Start Phase
D₆
Pulse Width of Gate Pulse
52
˓^M
Pin 52
TP52
TG7
([illegible] input)
Apply a 50 Hz composite video signal to TP52, then
measure the phase difference CP_S and the pulse width
CP_W of the pin 70 (SCP) waveform in relation to the pin
49 (HD.out) waveform.
63.5 µs
49
Pin 49 Pin 52
(HD.OUT) ^{Input Signal}
4.7 µs
0.25 V
↑
↑
↑
↑
↑
↑

70
Pin 70
(SCP)
Pin 49
Waveform
CP_S
Pin 70 Output
Waveform
CP_W
8.3 V
4.5 V
0V
68
2002-04-01