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843312AKILFT

Description
IC clk generator 32vfqfn
Categorysemiconductor    Analog mixed-signal IC   
File Size1MB,20 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
Environmental Compliance  
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843312AKILFT Overview

IC clk generator 32vfqfn

843312AKILFT Parametric

Parameter NameAttribute value
Datasheets
ICS843312I
Standard Package2,500
CategoryIntegrated Circuits (ICs)
FamilyClock/Timing - Clock Generators, PLLs, Frequency Synthesizers
PackagingTape & Reel (TR)
TypeClock/Frequency Synthesize
PLLYes with Bypass
InpuCrystal
OutpuLVPECL
Number of Circuits1
Ratio - InpuOutpu
Differential - InpuOutpu
Frequency - Max312.5MHz
Divider/MultiplieYes/N
Voltage - Supply2.375 V ~ 3.465 V
Operating Temperature-40°C ~ 85°C
Mounting TypeSurface Mou
Package / Case32-VFQFN Exposed Pad
Supplier Device Package32-VFQFPN Exposed Pad (5x5)
Other NamesICS843312AKILFTICS843312AKILFT-ND
Crystal-to-LVPECL Clock Synthesizer
ICS843312I
DATA SHEET
General Description
The ICS843312I is a high frequency clock generator. The
ICS843312I uses an external 25MHz crystal to synthesize
312.5MHz and 125MHz clocks. The ICS843312I has excellent RMS
period jitter performance.
The ICS843312I operates at full 3.3V and 2.5V, or mixed 3.3V/2.5V
supply modes and is available in a fully RoHS compliant 32-lead
VFQFN package.
Features
Ten differential LVPECL outputs for 312.5MHz and 125MHz
Crystal oscillator interface designed for 18pF, 25MHz parallel
resonant crystal
RMS phase jitter at 125MHz (1.875MHz - 20MHz):
0.45ps (typical)
RMS phase jitter at 312.5MHz (1.875MHz - 20MHz):
0.31ps (typical)
Output duty cycle: 45% – 55%, at 125MHz
Full 3.3V and 2.5V, or mixed 3.3V/2.5V supply modes
-40°C to 85°C ambient operating temperature
Available in lead-free (RoHS 6) package
Output Frequency Table
Crystal Frequency (MHz)
25
25
Feedback Divider
25
25
BYPASS
Pulldown
TEST_CLK
Pulldown
25MHz
VCO Frequency (MHz)
625
625
Output Divider
÷2
÷5
Output Frequency (MHz)
312.5
125
Block Diagram
1
6
QA[0:5]
nQA[0:5]
XTAL_IN
OSC
XTAL_OUT
Phase
Detector
VCO
625MHz
÷5
0
M = ÷25
2
QB[0:1]
nQB[0:1]
÷2, ÷5
SELB
Pulldown
Pin Assignment
TEST_CLK
BYPASS
SELB
nQA0
V
CCA
V
CCO
QA0
V
CC
÷2
2
QC[0:1]
nQC[0:1]
32 31 30 29 28 27 26 25
XTAL_IN
XTAL_OUT
V
CC
nQC1
QC1
nQC0
QC0
V
CCO
1
2
3
4
5
6
7
8
9
nQB0
24
QA1
nQA1
QA2
nQA2
QA3
nQA3
QA4
nQA4
ICS843312I
32 VFQFN
5mm x 5mm x 0.925mm
package body
K Package
Top View
10 11 12 13 14 15 16
nQA5
nQB1
V
CCO
QB0
QB1
QA5
V
EE
23
22
21
20
19
18
17
ICS843312AKI REVISION B SEPTEMBER 28, 2010
1
©2010 Integrated Device Technology, Inc.

843312AKILFT Related Products

843312AKILFT 843312AKILF
Description IC clk generator 32vfqfn IC clk generator 32vfqfn
Standard Package 2,500 490
Category Integrated Circuits (ICs) Integrated Circuits (ICs)
Family Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers
Packaging Tape & Reel (TR) Tray
Type Clock/Frequency Synthesize Clock/Frequency Synthesize
PLL Yes with Bypass Yes with Bypass
Inpu Crystal Crystal
Outpu LVPECL LVPECL
Number of Circuits 1 1
Ratio - Inpu Outpu Outpu
Differential - Inpu Outpu Outpu
Frequency - Max 312.5MHz 312.5MHz
Divider/Multiplie Yes/N Yes/N
Voltage - Supply 2.375 V ~ 3.465 V 2.375 V ~ 3.465 V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mou Surface Mou
Package / Case 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad
Supplier Device Package 32-VFQFPN Exposed Pad (5x5) 32-VFQFPN Exposed Pad (5x5)
Other Names ICS843312AKILFTICS843312AKILFT-ND ICS843312AKILFICS843312AKILF-ND
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