pi6c2405a-1 Pericom Semiconductor Corporation, pi6c2405a-1 Datasheet

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pi6c2405a-1

Manufacturer Part Number
pi6c2405a-1
Description
3.3v, 5 Output Zero-delay Clock Driver With Internal Feedback
Manufacturer
Pericom Semiconductor Corporation
Datasheet

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Features
• Maximum rated frequency: 133 MHz
• Low cycle-to-cycle jitter
• Input to output delay, less than 300ps
• Internal feedback allows outputs to be synchronized
• 5V tolerant input*
• Spread spectrum clock ready
• Operates at 3.3V V
• Packaging (Pb-free & Green available):
* CLKIN must reference the same voltage thresholds for the PLL to
Block Diagram
Pin Description
Pin
1
2, 3, 5, 7
4
6
8
CLKIN
to the clock input
deliver zero delay skewing
-8-pin, 150-mil SOIC (W)
-8-pin, 173-mil TSSOP (L)
PI6C2405A(–1, –1H)
Signal
CLKIN
OUT[1-4]
GND
V
OUT0
DD
DD
PLL
Description
Input clock reference frequency (weak pull-down)
Clock Outputs
Ground
3.3V Supply
Clockoutput, internal PLL feedback (weak pull-down)
OUT
OUT
OUT
OUT
OUT
0
1
2
3
4
1
Description
The PI6C2405A is a PLL based, zero-delay buffer, with the ability
to distribute five outputs of up to 133MHz at 3.3V. All the outputs
are distributed from a single clock input CLKIN and output OUT0
performs zero delay by connecting a feedback to PLL.
An internal feedback on OUT0 is used to synchronize the out-
puts to the input; the relationship between loading of this signal
and the outputs determines the input-output delay. PI6C2405A
is able to track spread spectrum clocking for EMI reduction.
PI6C2405A is characterized for both commercial and industrial
operation.
PI6C2405A-1H is a high-drive version of PI6C2405A-1
Pin Configuration
CLKIN
OUT
OUT
GND
2
1
1
2
3
4
Zero-Delay Clock Buffer
8
7
6
5
PI6C2405A
OUT
OUT
V
OUT
PS8592F
DD
0
4
3
04/21/05

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pi6c2405a-1 Summary of contents

Page 1

... PI6C2405A is able to track spread spectrum clocking for EMI reduction. PI6C2405A is characterized for both commercial and industrial operation. PI6C2405A- high-drive version of PI6C2405A-1 Pin Configuration OUT 1 CLKIN ...

Page 2

... Load Capacitance, below 100 MHz C L Load Capacitance, from 100 MHz to 133 C Input Capacitance IN -15 - Output Load Difference: OUT0 Load - OUTx Load (pF) Description 2 PI6C2405A Zero Delay Clock Buffer PI6C2405A-1H PI6C2405A-1 Min. Max. 3 PS8592F 25 +0.5V DD Units V °C pF 04/21/05 ...

Page 3

... Measured Measured OUT0 pins of device DD Measured between 0.8V and 2.0V on -1H device using Test Circuit #2 Measured at 66.67 MHz, loaded 30pF load Stable power supply, valid clocks presented on CLKIN pin 3 PI6C2405A Zero Delay Clock Buffer Min. Max. Units 0.8 V 2.0 50 µA 125 0 ...

Page 4

... Measured (1) Measured OUT0 pins of device DD Measured between 0.8V and 2.0V on -1H device using Test Circuit #2 Measured at 66.67 MHz, loaded 30pF load Stable power supply, valid clocks presented on CLKIN pin 4 PI6C2405A Zero Delay Clock Buffer Min. Max. Units 0.8 2.0 50 µA 125 0.4 2.4 or GND ...

Page 5

... CLK out C LOAD 0.1µF Test Circuit for tSLEW ,Output slew rate on –1H device SLEW 5 Zero Delay Clock Buffer t low t high high+ t low 3.3V 0. 1k-ohm DD OUTPUTS 1k-ohm V DD GND GND Test Circuit 2 PS8592F PI6C2405A CLK out 10pF 04/21/05 ...

Page 6

... REF .050 BSC 1.27 .013 .020 Packaging Mechanical: 8-Pin TSSOP (L) .149 3.78 .157 3.99 0-8˚ 1.35 .053 1.75 .068 SEATING PLANE 0.10 .0040 0.25 .0098 0.330 X.XX DENOTES DIMENSIONS 0.508 X.XX IN MILLIMETERS 6 Zero Delay Clock Buffer 0.25 .0099 x 45˚ 0.50 .0196 0.19 .0075 0.25 .0098 0.40 .016 1.27 .050 .2284 .2440 5.80 6.20 PS8592F PI6C2405A 04/21/05 ...

Page 7

... PI6C2405A-1L PI6C2405A-1LE PI6C2405A-1HL PI6C2405A-1HLE Ordering Information for Industrial Operating Ranges Ordering Code PI6C2405A1WI PI6C2405A-1WIE PI6C2405A-1HWI PI6C2405A-1HWIE PI6C2405A-1LI PI6C2405A-1LIE PI6C2405A-1HLI PI6C2405A-1HLIE Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging Tape/Reel Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com Package Code ...

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