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NB2305A Schematic ( PDF Datasheet ) - ON Semiconductor

Teilenummer NB2305A
Beschreibung Zero Delay Clock Buffer
Hersteller ON Semiconductor
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Gesamt 8 Seiten
NB2305A Datasheet, Funktion
www.DataSheet4U.com
NB2305A
3.3 V Zero Delay
Clock Buffer
The NB2305A is a versatile, 3.3 V zero delay buffer designed to
distribute highspeed clocks. It accepts one reference input and drives
out five lowskew clocks. It is available in a 8 pin package.
The 1H version of the NB2305A operates at up to 133 MHz, and
has higher drive than the 1 devices. All parts have onchip PLL’s that
lock to an input clock on the REF pin. The PLL feedback is onchip
and is obtained from the CLKOUT pad.
Multiple NB2305A devices can accept the same input clock and
distribute it. In this case the skew between the outputs of the two
devices is guaranteed to be less than 700 ps.
All outputs have less than 200 ps of cycletocycle jitter. The input
and output propagation delay is guaranteed to be less than 350 ps, and
the output to output skew is guaranteed to be less than 250 ps.
The NB2305A is available in two different configurations, as shown
in the ordering information table. The NB2305A1 is the base part. The
NB2305Ax1H* is the high drive version of the 1 and its rise and fall
times are much faster than 1 part.
Features
15 MHz to 133 MHz Operating Range, Compatible with CPU and
PCI Bus Frequencies
Zero Input Output Propagation Delay
Multiple LowSkew Outputs
OutputOutput Skew Less than 250 ps
DeviceDevice Skew Less than 700 ps
One Input Drives 5 Outputs
Less than 200 ps CycletoCycle Jitter is Compatible with PentiumR
Based Systems
Available in 8 Pin, 150 mil SOIC Package and 8 Pin TSSOP 4.4 mm
3.3 V Operation, Advanced 0.35 m CMOS Technology
These are PbFree Devices
http://onsemi.com
MARKING
DIAGRAMS*
8
1
SOIC8
D SUFFIX
CASE 751
8
XXXX
ALYW
G
1
8
1
TSSOP8
DT SUFFIX
CASE 948J
8
XXX
ALYWG
G
1
XXXX = Device Code
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = PbFree Package
(Note: Microdot may be in either location)
*For additional marking information, refer to
Application Note AND8002/D.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
*x = C for Commercial; I for Industrial.
© Semiconductor Components Industries, LLC, 2006
November, 2006 Rev. 5
1
Publication Order Number:
NB2305A/D






NB2305A Datasheet, Funktion
VDD CLKOUT
0.1 mF
OUTPUTS
CLOAD
VDD
0.1 mF GND
GND
NB2305A
TEST CIRCUITS
VDD
0.1 mF
OUTPUTS
VDD
0.1 mF GND
GND
VDD
1 kW
1 kW
10 pF
Figure 8. Test Circuit #1
Figure 9. Test Circuit #2
For parameter t8 (output slew rate) on 1H devices
ORDERING INFORMATION
Device
NB2305AC1DG
Marking
5C1
Operating Range
Commercial
Package
SOIC8
(PbFree)
Shipping
98 Units / Rail
Availability
Now
NB2305AC1DR2G
5C1
Commercial
SOIC8
(PbFree)
2500 Tape & Reel
Now
NB2305AI1DG
NB2305AI1DR2G
NB2305AC1HDG
NB2305AC1HDR2G
5I1
5I1
5C1H
5C1H
Industrial
Industrial
Commercial
Commercial
SOIC8
(PbFree)
SOIC8
(PbFree)
SOIC8
(PbFree)
SOIC8
(PbFree)
98 Units / Rail
2500 Tape & Reel
98 Units / Rail
2500 Tape & Reel
Now
Now
Now
Now
NB2305AI1HDG
5I1H
Industrial
SOIC8
(PbFree)
98 Units / Rail
Now
NB2305AI1HDR2G
5I1H
Industrial
SOIC8
(PbFree)
2500 Tape & Reel
Now
NB2305AC1DTG
5C1
Commercial
TSSOP8
(PbFree)
100 Units / Rail
Now
NB2305AC1DTR2G
5C1
Commercial
TSSOP8
(PbFree)
2500 Tape & Reel
Now
NB2305AI1DTG
5I1
Industrial
TSSOP8
(PbFree)
100 Units / Rail
Now
NB2305AI1DTR2G
NB2305AC1HDTG
NB2305AC1HDTR2G
NB2305AI1HDTG
5I1
5C1H
5C1H
5I1H
Industrial
Commercial
Commercial
Industrial
TSSOP8
(PbFree)
TSSOP8
(PbFree)
TSSOP8
(PbFree)
TSSOP8
(PbFree)
2500 Tape & Reel
100 Units / Rail
2500 Tape & Reel
100 Units / Rail
Now
Now
Now
Now
NB2305AI1HDTR2G
5I1H
Industrial
TSSOP8
(PbFree)
2500 Tape & Reel
Now
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
http://onsemi.com
6

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