ICS853031AYLF IDT, Integrated Device Technology Inc, ICS853031AYLF Datasheet - Page 12

• Manufacturer Part Number: ICS853031AYLF
• Description: IC FANOUT BUFF LVPECL/ECL 32LQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: HiPerClockS™r
• Type: Fanout Buffer (Distribution), Multiplexerr

Specifications of ICS853031AYLF

• Number Of Circuits: 1
• Ratio - Input:output: 2:9
• Differential - Input:output: Yes/Yes
• Input: CML, HCSL, LVDS, LVHSTL, LVPECL, SSTL
• Output: ECL, LVPECL
• Frequency - Max: 1.6GHz
• Voltage - Supply: 2.375 V ~ 3.465 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-LQFP
• Frequency-max: 1.6GHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 800-1162; 853031AYLF

T
Figure 5A and Figure 5B show examples of termination for 2.5V
LVPECL driver. These terminations are equivalent to terminating
50
IDT
F
ERMINATION FOR
ICS853031
LOW SKEW, 1-TO-9, DIFFERENTIAL-TO-2.5, 3.3V LVPECL/ECL FANOUT BUFFER
IGURE
VCCO=2.5V
VCCO=2.5V
™
to V
F
/ ICS
IGURE
2,5V LVPECL
Driv er
2,5V LVPECL
Driv er
CC
5A. 2.5V LVPECL D
™
- 2V. For V
1-TO-9, 2.5V, 3.3V LVPECL/ECL FANOUT BUFFER
5C. 2.5V LVPECL T
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
2.5V LVPECL O
CC
= 2.5V, the V
RIVER
2.5V
R1
250
CC
ERMINATION
R1
50
R2
62.5
- 2V is very close to ground
T
ERMINATION
R3
250
UTPUTS
R2
50
R4
62.5
E
XAMPLE
+
-
+
-
E
2.5V
2.5V
XAMPLE
12
level. The R3 in Figure 5B can be eliminated and the termination
is shown in Figure 5C.
F
IGURE
VCCO=2.5V
2,5V LVPECL
Driv er
5B. 2.5V LVPECL D
Zo = 50 Ohm
Zo = 50 Ohm
ICS853031AY REV. C AUGUST 12, 2008
RIVER
R1
50
T
ERMINATION
R2
50
R3
18
+
-
E
2.5V
XAMPLE