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100311QI Datasheet PDF - Fairchild Semiconductor

Part Number 100311QI
Description Low Skew 1:9 Differential Clock Driver
Manufacturers Fairchild Semiconductor 
Logo Fairchild Semiconductor Logo 



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100311QI datasheet, circuit
February 1990
Revised November 1999
100311
Low Skew 1:9 Differential Clock Driver
General Description
The 100311 contains nine low skew differential drivers,
designed for generation of multiple, minimum skew differ-
ential clocks from a single differential input (CLKIN,
CLKIN). If a single-ended input is desired, the VBB output
pin may be used to drive the remaining input line. A HIGH
on the enable pin (EN) will force a LOW on all of the CLKn
outputs and a HIGH on all of the CLKn output pins. The
100311 is ideal for distributing a signal throughout a system
without worrying about the original signal becoming too
corrupted by undesirable delays and skew.
Features
s Low output-to-output skew
s 2000V ESD protection
s 1:9 low skew clock driver
s Differential inputs and outputs
s Available to industrial grade temperature range
(PLCC package only)
Ordering Code:
Order Number Package Number
Package Description
100311QC
V28A
28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450 Square
100311QI
V28A
28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450 Square
Industrial Temperature Range (40°C to +85°C)
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagram
28-Pin PLCC
Pin Descriptions
Pin Names
CLKIN, CLKIN
EN
CLK08, CLK08
VBB
NC
Description
Differential Clock Inputs
Enable
Differential Clock Outputs
VBB Output
No Connect
Truth Table
CLKIN
L
H
X
CLKIN
H
L
X
EN
L
L
H
CLKn
L
H
L
CLKn
H
L
H
© 1999 Fairchild Semiconductor Corporation DS010648
www.fairchildsemi.com

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100311QI equivalent
Test Circuit
Note:
Shown for testing CLKIN to CLK1 in the differential mode.
L1, L2, L3 and L4 = equal length 50impedance lines.
All unused inputs and outputs are loaded with 50in parallel with 3 pF to GND.
Scope should have 50input terminator internally.
FIGURE 1. AC Test Circuit
Switching Waveforms
FIGURE 2. Propagation Delay, EN to Outputs
FIGURE 3. Propagation Delay, CLKIN/CLKIN to Outputs
FIGURE 4. Transition Times
5
www.fairchildsemi.com

5 Page
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Information Total 6 Pages
Download[ 100311QI.PDF Datasheet ]

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