ICS85354AK-01LF IDT, Integrated Device Technology Inc, ICS85354AK-01LF Datasheet - Page 13

• Manufacturer Part Number: ICS85354AK-01LF
• Description: IC MUX DUAL 2:1 1:2 16-VFQFPN
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Multiplexerr
• Series: HiPerClockS™r

Specifications of ICS85354AK-01LF

• 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
• Number Of Clock Inputs: 3
• Output Frequency: 2500MHz
• Output Logic Level: ECL/LVPECL
• Operating Supply Voltage (min): -2.375/2.375V
• Operating Supply Voltage (typ): -2.5/-3.3/2.5/3.3V
• Operating Supply Voltage (max): -3.465/3.465V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Signal Type: CML/ECL/LVDS/LVPECL
• Mounting: Surface Mount
• Pin Count: 16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 85354AK-01LF

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