IDT2305A-1HDCGI8 IDT, Integrated Device Technology Inc, IDT2305A-1HDCGI8 Datasheet

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IDT2305A-1HDCGI8

Manufacturer Part Number
IDT2305A-1HDCGI8
Description
IC CLK BUFFER 3.3V HI DRV 8-SOIC
Manufacturer
IDT, Integrated Device Technology Inc
Type
Zero Delay Bufferr
Datasheet

Specifications of IDT2305A-1HDCGI8

Pll
Yes with Bypass
Input
LVTTL
Output
LVTTL
Number Of Circuits
1
Ratio - Input:output
1:5
Differential - Input:output
No/No
Frequency - Max
133MHz
Divider/multiplier
No/No
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC
Frequency-max
133MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
2305A-1HDCGI8

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
IDT2305A-1HDCGI8
Manufacturer:
IDT
Quantity:
20 000
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 <200 ps cycle-to-cycle
• IDT2305A-1 for Standard Drive
• IDT2305A-1H for High Drive
• No external RC network required
• Operates at 3.3V V
• Power down mode
• Available in SOIC package
FUNCTIONAL BLOCK DIAGRAM
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
IDT2305A
3.3V ZERO DELAY CLOCK BUFFER
c
2010
REF
Integrated Device Technology, Inc.
1
DD
PLL
3.3V ZERO DELAY CLOCK
BUFFER
Control
Logic
1
DESCRIPTION:
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.
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 IDT2305A enters power down.
In this mode, the device will draw less than 12μA for Commercial Tempera-
ture range and less than 25μA for Industrial temperature range
are tri-stated, and the PLL is not running, resulting in a significant reduction
of power.
operation.
The IDT2305A is a high-speed phase-lock loop (PLL) clock buffer,
The IDT2305A is an 8-pin version of the IDT2309A. IDT2305A accepts
The IDT2305A is characterized for both Industrial and Commercial
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
8
3
2
5
7
IDT2305A
CLKOUT
CLK1
CLK2
CLK3
CLK4
MAY 2010
,
DSC 6586/4
the outputs

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IDT2305A-1HDCGI8 Summary of contents

Page 1

... 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 IDT2305A enters power down. In this mode, the device will draw less than 12μA for Commercial Tempera- ture range and less than 25μ ...

Page 2

... IDT2305A 3.3V ZERO DELAY CLOCK BUFFER PIN CONFIGURATION 1 REF CLK2 2 3 CLK1 GND 4 SOIC TOP VIEW APPLICATIONS: • SDRAM • Telecom • Datacom • PC Motherboards/Workstations • Critical Path Delay Designs PIN DESCRIPTION Pin Name Pin Number REF 1 (1) CLK2 2 (2) CLK1 ...

Page 3

... IDT2305A 3.3V ZERO DELAY CLOCK BUFFER OPERATING CONDITIONS - COMMERCIAL Symbol Parameter V Supply Voltage DD T Operating Temperature (Ambient Temperature Load Capacitance < 100MHz L Load Capacitance 100MHz - 133MHz C Input Capacitance IN DC ELECTRICAL CHARACTERISTICS - COMMERCIAL Symbol Parameter V Input LOW Voltage Level IL V Input HIGH Voltage Level ...

Page 4

... IDT2305A 3.3V ZERO DELAY CLOCK BUFFER SWITCHING CHARACTERISTICS (2305A-1H) - COMMERCIAL Symbol Parameter t Output Frequency 1 ÷ t Duty Cycle = Duty Cycle = t ÷ Rise Time 3 t Fall Time 4 t Output to Output Skew 5 t Delay, REF Rising Edge to CLKOUT Rising Edge 6 t Device-to-Device Skew 7 t Output Slew Rate ...

Page 5

... IDT2305A 3.3V ZERO DELAY CLOCK BUFFER SWITCHING CHARACTERISTICS (2305A-1) - INDUSTRIAL Symbol Parameter t Output Frequency 1 Duty Cycle = t ÷ Rise Time 3 t Fall Time 4 t Output to Output Skew 5 t Delay, REF Rising Edge to CLKOUT Rising Edge 6 t Device-to-Device Skew 7 t Cycle-to-Cycle Jitter PLL Lock Time ...

Page 6

... IDT2305A 3.3V ZERO DELAY CLOCK BUFFER SWITCHING WAVEFORMS t1 t2 1.4V 1.4V Duty Cycle Timing 2V 0.8V 0.8V 2V Output t3 All Outputs Rise/Fall Time TEST CIRCUITS V DD 0.1 F OUTPUTS V DD 0.1 F GND GND Test Circuit 1 (all Parameters Except t8) COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES Output 1 ...

Page 7

... IDT2305A 3.3V ZERO DELAY CLOCK BUFFER ORDERING INFORMATION XXXXX XX IDT Package Process Device Type Ordering Code 2305A-1DCG8 (tape and reel) 2305A-1DCG 2305A-1DCGI 2305A-1DCGI8 (tape and reel) 2305A-1HDCG8 (tape and reel) 2305A-1HDCG 2305A-1HDCGI 2305A-1HDCGI8 (tape and reel) G denotes Pb-free, RoHS complaint package; "8" denotes tape and reel ...

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