ICS843002AKI-40LF IDT, Integrated Device Technology Inc, ICS843002AKI-40LF Datasheet - Page 2

• Manufacturer Part Number: ICS843002AKI-40LF
• Description: IC SYNTHESIZER LVPECL 32-VFQFPN
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: HiPerClockS™, FemtoClock®r
• Type: Clock Generator, Clock Synchronizer, Frequency Translator, Jitter Attenuator, Multiplexerr

Specifications of ICS843002AKI-40LF

• Pll: Yes with Bypass
• Input: HCSL, LVCMOS, LVDS, LVHSTL, LVPECL, LVTTL, SSTLL
• Output: LVPECL
• Number Of Circuits: 1
• Ratio - Input:output: 3:2
• Differential - Input:output: Yes/Yes
• Frequency - Max: 175MHz
• Divider/multiplier: Yes/Yes
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN
• Frequency-max: 175MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 843002AKI-40LF

Block Diagram
IDT™ / ICS™ VCXO BASED SONET/SDH JITTER ATTENUATOR
V
NOTE: 19.44MHz VCXO crystal shown is typical for SONET/SDH device applications.
CCO_LVCMOS
R_SEL2:0
ICS843002I-40
175MHZ, FEMTOCLOCKS™ VCXO BASED SONET/SDH JITTER ATTENUATOR
CLK_SEL
nCLK1
nCLK0
LOR1
LOR0
CLK1
CLK0
3
ICS843002I-40
Detector
Detector
Activity
Activity
1
0
R Divider =
1, 2, 4, 8,
16 or 32
Divide
by 32
110
110
2
Detector
FemtoClock
Phase
ISET
VCXO Jitter Attenuation PLL
PLL
x32
and Loop
Components
Charge
Pump
LF0
Filter
External
Loop
111
111
622.08 MHz
Divide
by 32
LF1
4, 8, 32, or HiZ
4, 8, 32, or HiZ
C0 Divider =
C1 Divider =
19.44 MHz
Pullable
VCXO
ICS843002AKI-40 REV. B APRIL 27, 2009
xtal
19.44 MHz
2
2
V
QA
nQA
QA_SEL1:0
QB
nQB
QB_SEL1:0
CCO_LVPECL