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870931ARI-01LFT

Description
clock generators & support products ics
Categorysemiconductor    Other integrated circuit (IC)   
File Size203KB,13 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
Environmental Compliance  
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870931ARI-01LFT Overview

clock generators & support products ics

870931ARI-01LFT Parametric

Parameter NameAttribute value
ManufactureIDT (Integrated Device Technology)
Product CategoryClock Generators & Support Products
RoHSYes
Package / CaseQSOP-20
PackagingReel
Factory Pack Quantity2500
LVCMOS Clock Generator
870931I-01
Data Sheet
General Description
The 870931I-01 is an LVCMOS clock generator that uses an internal
phase lock loop (PLL) for frequency multiplication and to lock the
low-skew outputs to the reference clock. The device offers six
outputs. The PLL loop filter is completely internal and does not
require external components. Several combinations of the PLL
feedback and a divide-by-2 (controlled by FREQ_SEL) allow
applications to optimize frequency generation over a wide range of
input reference frequencies. The PLL can also be disabled by the
PLL_EN control signal to allow for low frequency or DC testing. The
870931I-01 device is a member of the family of high performance
clock solutions from IDT.
Features
Single-ended input reference clock
Six single-ended clock outputs
Internal PLL does not require external loop filter components
5V tolerant inputs
Maximum output frequency: 80MHz, (Q0:Q4 outputs)
Maximum output frequency: 40MHz, (Q/2 output)
LVCMOS interface levels for all inputs and outputs
PLL disable feature for low-frequency testing
Output drive capability: ±24mA
Output skew: 300ps (maximum), Q0:Q4 and Q/2
Full 3.3V supply voltage
Available in lead-free packages
-40°C to 85°C ambient operating temperature
Fully pin and function compatible with the IDTQS5LV931
(including 50, 66 and 80MHz options)
Pin Assignment
GND
OE/nRST
FEEDBACK
AV
DD
V
DD
AGND
SYNC
FREQ_SEL
GND
Q0
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Q4
Q/2
GND
Q3
V
DD
Q2
GND
PLL_EN
GND
Q1
870931I-01
20-Lead QSOP, 150Mil
3.9mm x 8.65mm x 1.5mm package body
R Package
Top View
Block Diagram
0
1
0
÷2
Q0
Q1
Q2
Q3
SYNC
1
f
REF
PLL
f
VCO
20MHz - 160MHz
÷2
FEEDBACK
÷4
Q4
Q/2
PLL_EN
FREQ_SEL
©2016 Integrated Device Technology, Inc
1
Revision B April 25, 2016

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