ICS853111BY IDT, Integrated Device Technology Inc, ICS853111BY Datasheet - Page 11

• Manufacturer Part Number: ICS853111BY
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of ICS853111BY

• Lead Free Status / RoHS Status: Not Compliant

T
Figure 4A and Figure 4B show examples of termination for 2.5V
LVPECL driver. These terminations are equivalent to terminating
IDT
F
ERMINATION FOR
ICS853111B
LOW SKEW, 1-TO-10, DIFFERENTIAL-TO-2.5V, 3.3V LVPECL/ECL FANOUT BUFFER
VCCO=2.5V
VCCO=2.5V
IGURE
™
/ ICS
F
IGURE
2,5V LVPECL
Driv er
2,5V LVPECL
Driv er
™
4A. 2.5V LVPECL D
1-TO-10, LVPECL/ECL FANOUT BUFFER
4C. 2.5V LVPECL T
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
2.5V LVPECL O
RIVER
2.5V
R1
250
ERMINATION
R1
50
R2
62.5
T
ERMINATION
R3
250
UTPUT
R2
50
R4
62.5
E
XAMPLE
+
-
+
-
E
2.5V
2.5V
XAMPLE
11
50Ω to V
level. The R3 in Figure 4B can be eliminated and the termination
is shown in Figure 4C.
F
IGURE
VCCO=2.5V
2,5V LVPECL
Driv er
CC
4B. 2.5V LVPECL D
- 2V. For V
Zo = 50 Ohm
Zo = 50 Ohm
CC
= 2.5V, the V
ICS853111BY REV. C JANUARY 13, 2009
RIVER
CC
R1
50
- 2V is very close to ground
T
ERMINATION
R2
50
R3
18
+
-
E
2.5V
XAMPLE