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IDT2305B

Part Number	IDT2305B
Manufacturer	Renesas
Description	3.3V ZERO DELAY CLOCK BUFFER
Published	Aug 3, 2021
Detailed Description	IDT2305B 3.3V ZERO DELAY CLOCK BUFFER COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES 3.3V ZERO DELAY CLOCK BUFFER IDT23...
Datasheet	IDT2305B PDF File

Overview

IDT2305B 3.
3V ZERO DELAY CLOCK BUFFER COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES 3.
3V ZERO DELAY CLOCK BUFFER IDT2305B FEATURES: • Phase-Lock Loop Clock Distribution • 10MHz to 133MHz operating frequency • Distributes one clock input to one bank of five outputs • Zero Input-Output Delay • Output Skew < 250ps • Low jitter <175 ps cycle-to-cycle • 50ps typical cycle-to-cycle jitter (15pF, 66MHz) • IDT2305B-1 for Standard Drive • IDT2305B-1H for High Drive • No external RC network required • Operates at 3.
3V VDD • Power down mode • Available in SOIC and TSSOP packages DESCRIPTION: The IDT2305B is a high-speed phase-lock loop (PLL) clock buffer, designed to address high-speed clock distribution applications.
The zero delay is achieved by aligning the phase between the incoming clock and the output clock, operable within the range of 10 to 133MHz.
The IDT2305B is an 8-pin version of the IDT2309B.
IDT2305B accepts one reference input, and drives out five low skew clocks.
The -1H version of this device operates, up to 133MHz frequency and has a higher drive than the -1 device.
All parts have on-chip PLLs which lock to an input clock on the REF pin.
The PLL feedback is on-chip and is obtained from the CLKOUT pad.
In the absence of an input clock, the IDT2305B enters power down.
In this mode, the device will draw less than 25μA, the outputs are tri-stated, and the PLL is not running, resulting in a significant reduction of power.
The IDT2305B is characterized for both Industrial and Commercial operation.
FUNCTIONAL BLOCK DIAGRAM 1 REF PLL Control Logic 8 CLKOUT 3 CLK1 2 CLK2 5 CLK3 7 CLK4 COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES 1 c 2016 Integrated Device Technology, Inc.
APRIL 2016 IDT2305B 3.
3V ZERO DELAY CLOCK BUFFER PIN CONFIGURATION REF CLK2 CLK1 GND 1 8 2 7 3 6 4 5 SOIC/TSSOP TOP VIEW CLKOUT CLK4 VDD CLK3 APPLICATIONS: • SDRAM • Telecom • Datacom • PC Motherboards/Workstations • Critical Path Delay Designs COMMERCIAL AND INDUSTRIAL TEMPER...

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