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IDT2309A-1HPGGI fiches techniques PDF

Integrated Device - 3.3V ZERO DELAY CLOCK BUFFER

Numéro de référence IDT2309A-1HPGGI
Description 3.3V ZERO DELAY CLOCK BUFFER
Fabricant Integrated Device 
Logo Integrated Device 





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IDT2309A-1HPGGI fiche technique
IDT2309A
3.3V ZERO DELAY CLOCK BUFFER
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
3.3V ZERO DELAY
CLOCK BUFFER
IDT2309A
FEATURES:
• Phase-Lock Loop Clock Distribution
• 10MHz to 133MHz operating frequency
• Distributes one clock input to one bank of five and one bank of
four outputs
• Separate output enable for each output bank
• Output Skew < 250ps
• Low jitter <200 ps cycle-to-cycle
• IDT2309A-1 for Standard Drive
• IDT2309A-1H for High Drive
• No external RC network required
• Operates at 3.3V VDD
• Available in SOIC and TSSOP packages
FUNCTIONAL BLOCK DIAGRAM
DESCRIPTION:
The IDT2309A 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 IDT2309A is a 16-pin version of the IDT2305A. The IDT2309A
accepts one reference input, and drives two banks of four low skew clocks.
The -1H version of this device operates up to 133MHz frequency and has
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
IDT2309A enters power down. In this mode, the device will draw less than
12µA for Commercial Temperature range and less than 25µA for Industrial
temperature range, and the outputs are tri-stated.
The IDT2309A is characterized for both Industrial and Commercial
operation.
1
REF
PLL
16 CLKOUT
2 CLKA1
3 CLKA2
14 CLKA3
15
CLKA4
S2 8
S1 9
Control
Logic
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
COMMERCIAL AND INDUSTRIAL
c 2004 Integrated Device Technology, Inc.
TEMPERATURE
1
RANGES
6 CLKB1
7 CLKB2
10 CLKB3
11 CLKB4
JULY 2004
DSC - 6588/4

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