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Integrated Device Technology - Programmable Clock Generator

Numéro de référence 5P49V5925
Description Programmable Clock Generator
Fabricant Integrated Device Technology 
Logo Integrated Device Technology 





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5P49V5925 fiche technique
Programmable Clock Generator
5P49V5925
DATASHEET
Description
The 5P49V5925 is a programmable clock generator intended
for high performance consumer, networking, industrial,
computing, and data-communications applications.
Configurations may be stored in on-chip One-Time
Programmable (OTP) memory or changed using I2C
interface. This is IDT’s fifth generation of programmable clock
technology (VersaClock® 5).
The frequencies are generated from a single reference clock.
The reference clock can come from one of the two redundant
clock inputs. A glitchless manual switchover function allows
one of the redundant clocks to be selected during normal
operation.
Two select pins allow up to 4 different configurations to be
programmed and accessible using processor GPIOs or
bootstrapping. The different selections may be used for
different operating modes (full function, partial function, partial
power-down), regional standards (US, Japan, Europe) or
system production margin testing.
The device may be configured to use one of two I2C
addresses to allow multiple devices to be used in a system.
Pin Assignment
CLKIN
CLKINB
XOUT
XIN/REF
VDDA
CLKSEL
1 24
23
22
21
20
19
18
2 17
3
EPAD
16
4
GND
15
5 14
6 13
7 8 9 10 11 12
VDDO2
OUT2
NC
VDDO3
OUT3
NC
Features
Generates up to four independent output frequencies
High performance, low phase noise PLL, <0.7 ps RMS
typical phase jitter on outputs
Four fractional output dividers (FODs)
Independent Spread Spectrum capability on each output
Four banks of internal non-volatile in-system
programmable or factory programmable OTP memory
I2C serial programming interface
Five LVCMOS outputs, including one reference output
I/O Standards:
– Single-ended I/Os: 1.8V to 3.3V LVCMOS
Input frequency ranges:
– LVCMOS Reference Clock Input (XIN/REF) – 1MHz to
200MHz
– LVDS, LVPECL, HCSL Differential Clock Input (CLKIN,
CLKINB) – 1MHz to 200MHz
– Crystal frequency range: 8MHz to 40MHz
Output frequency ranges:
– LVCMOS Clock Outputs – 1MHz to 200MHz
Individually selectable output voltage (1.8V, 2.5V, 3.3V) for
each output
Redundant clock inputs with manual switchover
Programmable loop bandwidth
Programmable slew rate control
Programmable crystal load capacitance
Individual output enable/disable
Power-down mode
1.8V, 2.5V or 3.3V core VDDD, VDDA
Available in 24-pin VFQFPN 4mm x 4mm package
-40° to +85°C industrial temperature operation
24-pin VFQFPN
5P49V5925 NOVEMBER 11, 2016
1
©2016 Integrated Device Technology, Inc.

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