ICS85354AK-01LFT IDT, Integrated Device Technology Inc, ICS85354AK-01LFT Datasheet - Page 13
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ICS85354AK-01LFT
Manufacturer Part Number
ICS85354AK-01LFT
Description
IC MUX DUAL 2:1 1:2 16-VFQFPN
Manufacturer
IDT, Integrated Device Technology Inc
Series
HiPerClockS™r
Type
Multiplexerr
Datasheet
1.ICS85354AK-01LFT.pdf
(18 pages)
Specifications of ICS85354AK-01LFT
Number Of Circuits
2
Ratio - Input:output
2:1, 1:2
Differential - Input:output
Yes/Yes
Input
CML, LVDS, LVPECL
Output
LVPECL
Frequency - Max
2.5GHz
Voltage - Supply
2.375 V ~ 3.465 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
85354AK-01LFT
T
Figure 4A and Figure 4B show examples of termination for
2.5V LVPECL driver. These terminations are equivalent to ter-
minating 50
85354AK-01
ERMINATION FOR
F
VCCO=2.5V
VCCO=2.5V
IGURE
F
IGURE
2,5V LVPECL
Driv er
2,5V LVPECL
Driv er
4A. 2.5V LVPECL D
4C. 2.5V LVPECL T
to V
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
CC
- 2V. For V
2.5V LVPECL O
CC
RIVER
= 2.5V, the V
2.5V
R1
250
ERMINATION
R1
50
R2
62.5
T
ERMINATION
R3
250
UTPUT
R2
50
R4
62.5
PRELIMINARY
E
CC
XAMPLE
+
-
+
-
- 2V is very
E
2.5V
XAMPLE
2.5V
D
13
IFFERENTIAL
close to ground level. The R3 in Figure 4B can be eliminated
and the termination is shown in Figure 4C.
F
VCCO=2.5V
IGURE
2,5V LVPECL
Driv er
4B. 2.5V LVPECL D
-
TO
Zo = 50 Ohm
Zo = 50 Ohm
-LVPECL/ECL M
RIVER
ICS85354-01
R1
50
T
ERMINATION
D
REV. A JANUARY 16, 2008
R2
50
R3
18
UAL
ULTIPLEXER
+
-
E
2:1/1:2
XAMPLE
2.5V