ICS853014BGT IDT, Integrated Device Technology Inc, ICS853014BGT Datasheet - Page 13

• Manufacturer Part Number: ICS853014BGT
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Driverr

Specifications of ICS853014BGT

• Number Of Clock Inputs: 2
• Mode Of Operation: Differential
• Output Frequency: >2000MHz
• 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): -3.8/3.8V
• Package Type: TSSOP
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Signal Type: CML/LVDS/LVPECL/SSTL
• Mounting: Surface Mount
• Pin Count: 20
• Lead Free Status / RoHS Status: Not Compliant

Schematic Example
This application note provides general design guide using
ICS853014 LVPECL buffer. Figure 6 shows a schematic example
of the ICS853014 LVPECL clock buffer. In this example, the input
Figure 6. ICS853014 Example LVPECL Clock Output Buffer Schematic
IDT™ / ICS™ 2.5V, 3.3V LVPECL/ECL FANOUT BUFFER
ICS853014
LOW SKEW, 1-TO-5, DIFFERENTIAL-TO-2.5V, 3.3V LVPECL/ECL FANOUT BUFFER
3.3V
LVPECL Driv er
Zo = 50
Zo = 50
C5
0.1u
R9
50
R10
50
3.3V
R12
R7
50
C2
0.1u
1K
R11
1K
3.3V
3.3V
C1
0.1u
11
12
13
14
15
16
17
18
19
20
U1
ICS853014
VEE
CLK_SEL
PCLK0
nPCLK0
VBB
PCLK1
nPCLK1
VCC
nEN
VCC
13
is driven by an LVPECL driver. CLK_SEL is set at logic high to
select PCLK1/nPCLK1 input.
nQ4
nQ3
nQ2
nQ1
nQ0
Q4
Q3
Q2
Q1
Q0
10
9
8
7
6
5
4
3
2
1
Zo = 50
Zo = 50
Zo = 50
Zo = 50
ICS853014BG REV. D FEBRUARY 25, 2009
R2
50
R3
50
R5
50
R6
50
R1
50
R4
50
C3
0.1u
C4
0.1u
+
-
+
-