ICS853031AY IDT, Integrated Device Technology Inc, ICS853031AY Datasheet - Page 14

• Manufacturer Part Number: ICS853031AY
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Driverr

Specifications of ICS853031AY

• Number Of Clock Inputs: 2
• Mode Of Operation: Differential
• Output Frequency: >1600MHz
• Output Logic Level: ECL/LVPECL
• Operating Supply Voltage (min): -2.375/2.375V
• Operating Supply Voltage (typ): -2.5/-3.3/3.3V
• Operating Supply Voltage (max): -3.465/3.465V
• Package Type: LQFP
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

IDT
Figure 7 shows an example of ICS853031 application schematic.
In this example, the device is operated at V
decoupling capacitor should be located as close as possible to
the power pin. The input is driven by a 3.3V LVPECL driver. Only
A
ICS853031
LOW SKEW, 1-TO-9, DIFFERENTIAL-TO-2.5, 3.3V LVPECL/ECL FANOUT BUFFER
PPLICATION
™
/ ICS
3.3V
™
LVPECL
1-TO-9, 2.5V, 3.3V LVPECL/ECL FANOUT BUFFER
Zo = 50 Ohm
Zo = 50 Ohm
S
CHEMATIC
VCC = 3.3V
(U1-9)
E
R8
50
XAMPLE
R11
50
0.1uF
C1
0.1uF
R10
50
VCCO
C7
R9
50
CLK_SEL
(U1-16)
F
0.1uF
IGURE
C2
VCC = 3.3V
(U1-17)
ICS853031
7. ICS853031 S
U1
0.1uF
C3
1
2
3
4
5
6
7
8
CC
= 3.3V. The
VCC
CLK
nCLK
CLK_SEL
PCLK
nPCLK
VEE
CLK_EN
(U1-24)
VCCO = 3.3V
0.1uF
C4
(U1-25)
0.1uF
C5
14
CHEMATIC
(U1-32)
VCCO
VCCO
two terminations examples are shown in this schematic. For more
termination approaches, please refer to the LVPECL Termination
Application Note.
nQ3
nQ4
nQ5
0.1uF
Q3
Q4
Q5
C6
24
23
22
21
20
19
18
17
E
XAMPLE
Q0
nQ0
Optional
Y-Termination
Q8
nQ8
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
ICS853031AY REV. C AUGUST 12, 2008
R1
133
R2
82.5
VCCO = 3.3V
R5
50
R7
50
R3
133
R4
82.5
R6
50
+
-
+
-