TSH345 STMicroelectronics, TSH345 Datasheet - Page 14

• Manufacturer Part Number: TSH345
• Description: Single supply triple video buffer and selectable filter for HD and SD video applications
• Manufacturer: STMicroelectronics

Using the TSH345 to drive YC, CVBS, YUV, YPbPr and RGB video components
Figure 30. Synchronization details (example for a black picture)
Figure 31. HD video signal
14/23
GND
SD
HD
G N D
G N D
300 mV
300 mV
300 mV
160 ns
27 ns
(2t)
(DAC’s offset on STi7200 = 28 mV)
590 ns
(44 t)
DAC’s offset
4.6 us
s yn c.t ip
54 ns
(4t)
s yn c.t ip
150 ns
590 ns
(44 t)
27 ns
(2t)
Video contents up to 30 MHz
300 mV
14.8 us (110 0t): 1920/1080i
24.3 us (180 0t): 1280/720i
64 us
•Fclock=74.25 MHz
•t=1/Fclock=13.5 ns
Black (30IRE)
Black (30IRE)
1 Vp-p (+/- 5 %)
AM00819
AM00820
TSH345