EL1883 Intersil Corporation, EL1883 Datasheet
EL1883
Available stocks
Related parts for EL1883
EL1883 Summary of contents
Page 1
... The horizontal output gives horizontal timing with pre/post equalizing pulses. The EL1883 is available in an 8-pin SO package and is specified for operation over the full -40°C to +85°C temperature range. Ordering Information ...
Page 2
... Horizontal Sync Width Vertical Sync Width Vertical Sync Default Delay, t VSD Burst/Back Porch Delay Burst/Back Porch Width Input Dynamic Range Slice Level 2 EL1883 = 25°C) Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150°C +0.5V Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C CC Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .400mW = 3.3V 25° 681kΩ ...
Page 3
... SET FIGURE 3. HORIZONTAL SYNC WIDTH EL1883 Composite sync pulse output; sync pulses start on a falling edge and end on a rising edge AC coupled composite video input; sync tip must be at the lowest potential (positive picture phase) Vertical sync pulse output; the falling edge of vert sync is the start of the vertical period Supply ground Burst/back porch output ...
Page 4
... V =3V DD 225 224 223 V =5V 222 DD 221 220 -50 -30 - TEMPERATURE (°C) FIGURE 9. VERTICAL SYNC PULSE WIDTH vs TEMPERATURE 4 EL1883 (Continued =5V DD 600 700 800 FIGURE 6. BURST/BACK PORCH DELAY vs TEMPERATURE SET = = FIGURE 8. BURST/BACK PORCH WIDTH vs TEMPERATURE ...
Page 5
... Horizontal sync output produces the true “H” pulses of nominal width of 5µs. It has the same delay as the composite sync. 5 EL1883 (Continued) JEDEC JESD51-3 LOW EFFECTIVE THERMAL CONDUCTIVITY TEST BOARD 1 ...
Page 6
... EL1883 FIGURE 13. STANDARD VERTICAL TIMING FIGURE 14. NON-STANDARD VERTICAL TIMING 6 ...
Page 7
... HORIZONTAL SYNC, PIN 7 BACK PORCH OUTPUT, PIN 5 FIGURE 16. EXAMPLE OF EL1883 WITH NTSC SIGNAL THAT INCLUDES MACROVISION COPY PROTECTION (R =681kΩ) SET 7 EL1883 V SLICE No pulses in next 75% of line time FIGURE 15. NON-STANDARD VERTICAL TIMING I/P SIGNAL COMPOSITE SYNC OUT (PIN 1) HORIZONTAL ...
Page 8
... Vertical Sync is clocked out of the EL1883 on the first rising edge during the vertical serration phase. In the absence of vertical serration pulses, a vertical sync pulse will be forced out after the vertical sync default delay time, approximately 60µ ...
Page 9
... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 9 EL1883 CLAMP SYNC TIP REF 1.5V ...