ICS843101AGI-100LFT IDT, Integrated Device Technology Inc, ICS843101AGI-100LFT Datasheet - Page 12

• Manufacturer Part Number: ICS843101AGI-100LFT
• Description: IC SYNTHESIZER 100MHZ 16-TSSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: HiPerClockS™, FemtoClock®r
• Type: Frequency Synthesizerr

Specifications of ICS843101AGI-100LFT

• Pll: Yes
• Input: LVCMOS, LVTTL, Crystal
• Output: LVPECL
• Number Of Circuits: 1
• Ratio - Input:output: 2:1
• Differential - Input:output: No/Yes
• Frequency - Max: 100MHz
• Divider/multiplier: Yes/No
• Voltage - Supply: 2.375 V ~ 3.465 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Frequency-max: 100MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 843101AGI-100LFT

T
Figure 5A and Figure 5B show examples of termination for 2.5V
LVPECL driver. These terminations are equivalent to terminating
IDT
F
ERMINATION FOR
ICS843101I-100
FEMTOCLOCKS™ CRYSTAL-TO-LVPECL 100MHZ FREQUENCY MARGINING SYNTHESIZER
IGURE
VCC=2.5V
VCC=2.5V
™
/ ICS
F
IGURE
2,5V LVPECL
Driv er
2,5V LVPECL
Driv er
™
5A. 2.5V LVPECL D
LVPECL FREQUENCY MARGINING SYNTHESIZER
5C. 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
R2
62.5
R1
50
T
ERMINATION
R3
250
UTPUT
R4
62.5
R2
50
E
XAMPLE
+
-
+
-
E
2.5V
2.5V
XAMPLE
12
50
level. The R3 in Figure 5B can be eliminated and the termination
is shown in Figure 5C.
F
VCC=2.5V
IGURE
to V
2,5V LVPECL
Driv er
CC
5B. 2.5V LVPECL D
- 2V. For V
Zo = 50 Ohm
Zo = 50 Ohm
CC
= 2.5V, the V
ICS843101AGI-100 REV. A APRIL 26, 2007
RIVER
CC
R1
50
- 2V is very close to ground
T
ERMINATION
R2
50
R3
18
+
-
E
2.5V
XAMPLE