DS90C2501 datasheet(11/48 Pages) NSC

Part #	DS90C2501

Description	Transmitter with built-in scaler for LVDS Display Interface (LDI)

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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11 / 48 page

AC Timing Diagrams (Continued)

20004525

C — Setup and Hold Time (Internal data sampling window) defined by Rspos (receiver input strobe position) min and max

Tppos — Transmitter output pulse position (min and max)

RSKM = Cable Skew (type, length) + Source Clock Jitter (cycle to cycle) + ISI (Inter-symbol interference) (Note 10)

Cable Skew — typically 10 ps–40 ps per foot, media dependent

Note 10: ISI is dependent on interconnect length; may be zero

FIGURE 10. Receiver Skew Margin

20004508

FIGURE 11. Resistor Network for “DUAL” pin input - recommend using R1=R2=10k

Ω ±1% for single to dual mode

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