ICS853052AGT IDT, Integrated Device Technology Inc, ICS853052AGT Datasheet - Page 7

• Manufacturer Part Number: ICS853052AGT
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Multiplexerr

Specifications of ICS853052AGT

• Number Of Clock Inputs: 2
• Mode Of Operation: Single-Ended
• Output Logic Level: LVPECL
• Operating Supply Voltage (min): 2.375V
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Operating Supply Voltage (max): 5.5V
• Package Type: TSSOP
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Signal Type: LVCMOS/LVTTL
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / RoHS Status: Not Compliant

R
I
D
For applications not requiring the use of a clock input, it can
be left floating. Though not required, but for additional
protection, a 1k
ground.
T
Figure 1A and Figure 1B show examples of termination for 2.5V
LVPECL driver. These terminations are equivalent to terminating
50
IDT
NPUTS
F
X
ERMINATION FOR
ECOMMENDATIONS FOR
ICS853052
DUAL LVCMOS/LVTTL-TO-DIFFERENTIAL 2.5V, 3.3V, 5V LVPECL MULTIPLEXER
IGURE
I
VCC=2.5V
VCC=2.5V
™
NPUTS
to V
/ ICS
F
IGURE
:
2,5V LVPECL
Driv er
2,5V LVPECL
Driv er
CC
1A. 2.5V LVPECL D
™
- 2V. For V
2.5V, 3.3V, 5V LVPECL MULTIPLEXER
1C. 2.5V LVPECL T
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
resistor can be tied from the Dx input to
2.5V LVPECL O
CC
= 2.5V, the V
U
NUSED
RIVER
2.5V
R1
250
CC
ERMINATION
R2
62.5
R1
50
- 2V is very close to ground
T
I
NPUT
ERMINATION
R3
250
UTPUT
R4
62.5
R2
50
A
P
INS
E
PPLICATION
XAMPLE
+
-
+
-
E
2.5V
2.5V
XAMPLE
F
7
IGURE
VCC=2.5V
I
NFORMATION
level. The R3 in Figure 1B can be eliminated and the termination
is shown in Figure 1C.
2,5V LVPECL
Driv er
1B. 2.5V LVPECL D
Zo = 50 Ohm
Zo = 50 Ohm
ICS853052AG REV. B JANUARY 16, 2008
RIVER
R1
50
T
ERMINATION
R2
50
R3
18
+
-
E
2.5V
PRELIMINARY
XAMPLE