ICS853S024 datasheet(9/16 Pages) IDT

Part #	ICS853S024

Description	LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-3.3V, 2.5V LVPECL FANOUT BUFFER

PDF	16 Pages

Scroll/Zoom	100%

Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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9 / 16 page

ICS853S024

LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-3.3V, 2.5V LVPECL FANOUT BUFFER

PRELIMINARY

LOW SKEW LVPECL FANOUT BUFFER

ICS853S024AY REV. A APRIL 30, 2008

Termination for 2.5V LVPECL Outputs

Figure 4A and Figure 4B show examples of termination for 2.5V

LVPECL driver. These terminations are equivalent to terminating

Ω to V

CC – 2V. For VCC = 2.5V, the VCC – 2V is very close to

ground level. The R3 in Figure 4B can be eliminated and the

termination is shown in Figure 4C.

Figure 4A. 2.5V LVPECL Driver Termination Example

Figure 4C. 2.5V LVPECL Driver Termination Example

Figure 4B. 2.5V LVPECL Driver Termination Example

2.5V LVPECL Driver

VCC = 2.5V

2.5V

Ω

250

62.5

–

2.5V LVPECL Driver

VCC = 2.5V

2.5V

Ω

–

2.5V LVPECL Driver

VCC = 2.5V

2.5V

Ω

–

ICS853S024 Datasheet(PDF) 9 Page - Integrated Device Technology