ICS853111AYL datasheet(8/19 Pages) IDT

Part #	ICS853111AYL

Description	LOW SKEW, 1-TO-10, DIFFERENTIAL-TOLVPECL/ ECL FANOUT BUFFER

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Manufacturer	IDT [Integrated Device Technology]

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IDT™ / ICS™ 1-TO-10, LVPECL/ECL FANOUT BUFFER

8

ICS853111AY REV. C OCTOBER 25, 2007

ICS853111A

LOW SKEW, 1-TO-10, DIFFERENTIAL-TO-LVPECL/ECL FANOUT BUFFER

APPLICATION INFORMATION

Figure 2A shows how the differential input can be wired to accept

single ended levels. The reference voltage V_REF ~ V

CC

/2 is

generated by the bias resistors R1, R2 and C1. This bias circuit

should be located as close as possible to the input pin. The ratio

FIGURE 2A. SINGLE ENDED SIGNAL DRIVING DIFFERENTIAL INPUT

WIRING THE DIFFERENTIAL INPUT TO ACCEPT SINGLE ENDED LVCMOS LEVELS

of R1 and R2 might need to be adjusted to position the V_REF in

the center of the input voltage swing. For example, if the input

clock swing is only 2.5V and V

CC

= 3.3V, V_REF should be 1.25V

and R2/R1 = 0.609.

Single Ended Clock Input

VCC

PCLKx

nPCLKx

R1

C1

0.1u

R2

1K

V_REF

FIGURE 2B. SINGLE ENDED LVPECL SIGNAL DRIVING DIFFERENTIAL INPUT

Figure 2B shows an example of the differential input that can

be wired to accept single ended LVPECL levels. The reference

voltage level V

BB

generated from the device is connected to the

negative input. The C1 capacitor should be located as close as

possible to the input pin.

WIRING THE DIFFERENTIAL INPUT TO ACCEPT SINGLE ENDED LVPECL LEVELS

CLK_IN

C1

0.1uF

VDD(or VCC)

+

-

VBB

Similar Part No. - ICS853111AYL

Manufacturer	Part #	Datasheet	Description
Integrated Circuit Syst...	ICS853111AY	138Kb / 13P	LOW SKEW, 1-TO-10 DIFFERENTIAL-TO-2.5V/3.3V LVPECL/ECL FANOUT BUFFER
	ICS853111AY	320Kb / 18P	LOW SKEW, 1-TO-10 DIFFERENTIAL-TO-2.5V/3.3V LVPECL/ECL FANOUT BUFFER
	ICS853111AY-02	207Kb / 18P	LOW SKEW, 1-TO-10 DIFFERENTIAL-TO-2.5V/3.3V LVPECL/ECL FANOUT BUFFER
	ICS853111AY-02LF	207Kb / 18P	LOW SKEW, 1-TO-10 DIFFERENTIAL-TO-2.5V/3.3V LVPECL/ECL FANOUT BUFFER
	ICS853111AY-02LFT	207Kb / 18P	LOW SKEW, 1-TO-10 DIFFERENTIAL-TO-2.5V/3.3V LVPECL/ECL FANOUT BUFFER

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Manufacturer	Part #	Datasheet	Description
Renesas Technology Corp	853S111AI	481Kb / 21P	Skew, 1-to-10, Differential-to-LVPECL/ECL Fanout Buffer 2019
Integrated Circuit Syst...	ICS853111A	320Kb / 18P	LOW SKEW, 1-TO-10 DIFFERENTIAL-TO-2.5V/3.3V LVPECL/ECL FANOUT BUFFER
Integrated Device Techn...	85310I-01	281Kb / 18P	Low Skew, 1-to-10 Differential-to-3.3V, 2.5V LVPECL/ECL Fanout Buffer
Integrated Circuit Syst...	ICS85310I-11	190Kb / 16P	LOW SKEW, 1-TO-10 DIFFERENTIAL-TO-2.5V/3.3V ECL/LVPECL FANOUT BUFFER
Integrated Device Techn...	85310I-11	289Kb / 18P	Low Skew, 1-to-10 Differential-to-3.3V, 2.5V LVPECL/ECL Fanout Buffer
Renesas Technology Corp	85310I-01	430Kb / 19P	Low Skew, 1-to-10 Differential-to-3.3V, 2.5V LVPECL/ECL Fanout Buffer 7/8/15
Integrated Device Techn...	ICS853111B	868Kb / 19P	LOW SKEW, 1-TO-10, DIFFERENTIAL-TO- 2.5V, 3.3V LVPECL/ECL FANOUT BUFFER
Integrated Circuit Syst...	ICS853111-02	207Kb / 18P	LOW SKEW, 1-TO-10 DIFFERENTIAL-TO-2.5V/3.3V LVPECL/ECL FANOUT BUFFER
	ICS853111	138Kb / 13P	LOW SKEW, 1-TO-10 DIFFERENTIAL-TO-2.5V/3.3V LVPECL/ECL FANOUT BUFFER
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