ICS889874AKLFT IDT, Integrated Device Technology Inc, ICS889874AKLFT Datasheet - Page 11

• Manufacturer Part Number: ICS889874AKLFT
• Description: IC BUFFER/DIVIDER 1:2 16-VFQFPN
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: HiPerClockS™r
• Type: Fanout Buffer (Distribution), Divider, Multiplexerr

Specifications of ICS889874AKLFT

• Number Of Circuits: 1
• Ratio - Input:output: 1:2
• Differential - Input:output: Yes/Yes
• Input: CML, LVDS, LVPECL
• Output: LVPECL
• Frequency - Max: 2.5GHz
• Voltage - Supply: 2.375 V ~ 3.63 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-VFQFN
• Frequency-max: 2.5GHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 889874AKLFT

889874AK
T
Figure 7A and Figure 7B show examples of termination for
2.5V LVPECL driver. These terminations are equivalent to ter-
minating 50Ω to V
ERMINATION FOR
F
VCC=2.5V
VCC=2.5V
IGURE
F
2,5V LVPECL
Driv er
2,5V LVPECL
Driv er
IGURE
7A. 2.5V LVPECL D
7C. 2.5V LVPECL T
Integrated
Circuit
Systems, Inc.
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
CC
- 2V. For V
2.5V LVPECL O
RIVER
CC
= 2.5V, the V
2.5V
R1
250
ERMINATION
R2
62.5
R1
50
T
ERMINATION
R3
250
www.icst.com/products/hiperclocks.html
UTPUT
R4
62.5
R2
50
PRELIMINARY
E
CC
XAMPLE
+
-
+
-
- 2V is very
E
2.5V
XAMPLE
2.5V
11
D
close to ground level. The R3 in Figure 7B can be eliminated
and the termination is shown in Figure 7C.
IFFERENTIAL
F
VCC=2.5V
IGURE
2,5V LVPECL
Driv er
7B. 2.5V LVPECL D
Zo = 50 Ohm
Zo = 50 Ohm
-
TO
-LVPECL B
RIVER
R1
50
ICS889874
T
ERMINATION
UFFER
R2
50
R3
18
REV. A MARCH 20, 2006
/D
+
-
E
2.5V
XAMPLE
IVIDER
1:2