Product Brief
IDT82V3395
2012 Integrated Device Technology, Inc. DSC-7238/-
Dual Synchronous Ethernet Line Card
PLL
IDT and the IDT logo are trademarks of Integrated Device Technology, Inc.
FEATURES
HIGHLIGHTS
• Dual PLL chip:
• Provides clocks for ITU-T G.8261/G.8262 Synchronous Ethernet
(SyncE)
• Exceeds GR-253-CORE (OC-12) and ITU-T G.813 (STM-4) jitter
generation requirements
• Provides clocks for Cellular and WLL base-station (GSM and 3G
networks)
• Provides clocks for 1 Gigabit and 10 Gigabit Ethernet applica-
tions
MAIN FEATURES
• Employs PLL architecture to feature excellent jitter performance
and minimize the number of external components
• Integrates 2 DPLLs; one can be used on the transmit path and the
other on the receive path
• Supports programmable DPLL bandwidth: 18 Hz, 35 Hz, 70 Hz and
560 Hz
• Provides OUT1~OUT4 output clock frequencies up to 644.53125
MHz
• Includes 25MHz, 125 MHz and 156.25 MHz for CMOS outputs
• Includes 25.78125MHz, 128.90625 MHz and 161.1328125 MHz
for CMOS outputs
• Includes 25MHz, 125 MHz, 156.25 MHz, 312.5 MHz and 625
MHz for differential outputs
• Includes 25.78125 MHz, 128.90625 MHz, 161.1328125 MHz,
322.265625 MHz and 644.53125 MHz for differential outputs
• Provides IN1~IN4 input clock frequencies cover from 2 kHz to
155.52MHz MHz
• Supports Forced or Automatic operating mode switch controlled by
an internal state machine. It supports Free- Run, Locked and Hold-
over modes
• Supports manual and automatic selected input clock switch
• Supports automatic hitless selected input clock switch on clock fail-
ure
• Provides a 2 kHz, 4 kHz, or 8 kHz frame sync input signal, and a 2
kHz or 8 kHz frame sync output signals
• Provides a 1PPS sync input signal and a 1PPS sync output signal
• Provides output clocks for BITS, GPS, 3G, GSM, etc.
• Supports PECL/LVDS and CMOS input/output technologies
• Supports master clock calibration
• Supports Telcordia GR-1244-CORE, Telcordia GR-253-CORE,
ITU-T G.812, ITU-T G.8262. ITU-T G.813 and ITU-T G.783 Recom-
mendations
OTHER FEATURES
• I2C and Serial microprocessor interface modes
• IEEE 1149.1 JTAG Boundary Scan
• Single 3.3 V operation with 5 V tolerant CMOS I/Os
• 72-pin QFN package, green package options available
APPLICATIONS
• 1 Gigabit Ethernet and 10 Gigabit Ethernet
• BITS / SSU
• SMC / SEC (SONET / SDH)
• DWDM cross-connect and transmission equipment
• Synchronous Ethernet equipment
• Central Office Timing Source and Distribution
• Core and access IP switches / routers
• Gigabit and Terabit IP switches / routers
• IP and ATM core switches and access equipment
• Cellular and WLL base-station node clocks
• Broadband and multi-service access equipment
