9DBL411B IDT [Integrated Device Technology], 9DBL411B Datasheet

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9DBL411B

Manufacturer Part Number
9DBL411B
Description
Four Output Low Power Differential Fanout Buffer for PCI Express Gen1, Gen2, and QPI
Manufacturer
IDT [Integrated Device Technology]
Datasheet

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Part Number:
9DBL411BGLFT,IDT,1648+,TSSOP20,124
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9DBL411BKLFT,IDT,1549+,QFN,430
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9DBL411BKLFT,IDT,1738+,QFN,1570
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Four Output Low Power Differential Fanout Buffer for
PCI Express Gen1, Gen2, and QPI
Recommended Application:
PCI-Express Gen2 or QPI fanout buffer
Output Features:
Key Specifications:
Power Groups
Functional Block Diagram
IDT
®
4 - low power differential output pairs
Individual OE# control of each output pair
Pin Number (TSSOP)
Output cycle-cycle jitter < 15ps additive
Output to output skew: < 50ps
Four Output Low Power Differential Buffer for PCI Express Gen1, Gen2, and QPI
VDD
9,18
VDD
6,15
Pin Number (MLF)
4
1
DIF_INC
DIF_INT
OE#(3:0)
10,17
GND
GND
7,14
5
2
4
3.3V Analog VDD & GND
3.3V Analog VDD & GND
VDD_IO for DIF(3:0)
VDD_IO for DIF(3:0)
Description
Description
1
Features/Benefits:
General Description:
The 9DBL411B is a 4 output lower power differential
buffer. Each output has its own OE# pin. It has a
maximum operating frequency of 150 MHz.
Low power differential outputs for PCI-
Express and QPI clocks
Power down mode when all OE# are high
Available in I-temp
20-pin MLF or TSSOP packaging
LOGIC
STOP
4
DIF_LPR(3:0)
9DBL411B
DATASHEET
1645C—10/18/10

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9DBL411B Summary of contents

Page 1

... Power down mode when all OE# are high • Available in I-temp • 20-pin MLF or TSSOP packaging General Description: The 9DBL411B output lower power differential buffer. Each output has its own OE# pin. It has a maximum operating frequency of 150 MHz. Description VDD_IO for DIF(3:0) 3.3V Analog VDD & GND ...

Page 2

... Four Output Low Power Differential Buffer for PCI Express Gen1, Gen2, and QPI Pin Configurations VDDA 1 GNDA 2 9DBL411B OE3# 3 DIF3C_LPR 4 DIF3T_LPR 20-pin MLF Terminations 9DBL411 Zo – (ohms), where Zo is the single-ended intrinsic impedance of the board transmission line. Single-ended intrinsic impedance is ½ ...

Page 3

... Four Output Low Power Differential Buffer for PCI Express Gen1, Gen2, and QPI TSSOP Pin Description PIN # PIN NAME PIN TYPE (TSSOP) 1 OE0 DIF_INC IN 3 DIF_INT IN 4 VDDA PWR 5 GNDA GND 6 OE3 DIF3C_LPR OUT 8 DIF3T_LPR OUT 9 VDD_IO PWR ...

Page 4

... Four Output Low Power Differential Buffer for PCI Express Gen1, Gen2, and QPI MLF Pin Description PIN # PIN NAME PIN TYPE (MLF) 1 VDDA PWR 2 GNDA GND 3 OE3 DIF3C_LPR OUT 5 DIF3T_LPR OUT 6 VDD_IO PWR 7 GND GND 8 DIF2C_LPR OUT 9 DIF2T_LPR OUT ...

Page 5

... Four Output Low Power Differential Buffer for PCI Express Gen1, Gen2, and QPI Absolute Maximum Ratings PARAMETER SYMBOL Maximum Supply Voltage VDDA Maximum Supply Voltage VDD_IO Maximum Input Voltage V Minimum Input Voltage V TambCOM Ambient Operating Temp TambIND Storage Temperature Ts Input ESD protection ...

Page 6

... Maximum input voltage is not to exceed maximum VDD 9 The 9DBL411B has no PLL, so the part itself contributes very little jitter to the input clock. But this also means that the 9DBL411 cannot 'de-jitter' a noisy input clock. Values calculated per PCI SIG and per Intel Clock Jitter tool version 1.5 ® ...

Page 7

... Four Output Low Power Differential Buffer for PCI Express Gen1, Gen2, and QPI 20-pin TSSOP Package Drawing and Dimensions N E1 INDEX INDEX AREA AREA ® IDT Four Output Low Power Differential Buffer for PCI Express for Gen1, Gen2, and QPI ...

Page 8

... Tape and Reel 9DBL411BGLF 9DBL411BGLFT Tape and Reel 9DBL411BKILF 9DBL411BKILFT Tape and Reel 9DBL411BGILF 9DBL411BGILFT Tape and Reel "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. "B" is the device revision designator (will not correlate to the datasheet revision). ...

Page 9

... Four Output Low Power Differential Buffer for PCI Express Gen1, Gen2, and QPI Revision History Rev. Issue Date Description Initial Release. Compared with A rev the following have changed: 1. Added I-temp version 0.1 1/8/2010 2. Updated electrical tables for I-temp 3. Revised Phase Jitter specs and added QPI. ...

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