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Número de pieza | ASM5P2309A | |
Descripción | 3.3V Zero Delay Buffer | |
Fabricantes | ON Semiconductor | |
Logotipo | ||
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No Preview Available ! ASM5P2305A, ASM5P2309A
3.3 V Zero Delay Buffer
Description
ASM5P2309A is a versatile, 3.3 V zero−delay buffer designed to
distribute high−speed clocks. It accepts one reference input and drives
out nine low−skew clocks. It is available in a 16−pin package. The
ASM5P2305A is the eight−pin version of the ASM5P2309A. It
accepts one reference input and drives out five low−skew clocks.
The −1H version of the ASM5P230xA operates at up to 133 MHz
frequencies, and has higher drive than the −1 devices. All parts have
on−chip PLLs that lock to an input clock on the REF. The PLL
feedback is on−chip and is obtained from the CLKOUT.
ASM5P2309A has two banks of four outputs each, which can be
controlled by the Select inputs as shown in the Select Input Decoding
Table. The select input also allows the input clock to be directly
applied to the outputs for chip and system testing purposes.
Multiple ASM5P2309A and ASM5P2305A 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 cycle−to−cycle 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 200 pS.
The ASM5P2309A and the ASM5P2305A are available in two
different configurations, as shown in the ordering information table.
The ASM5P2305A−1 / ASM5P2309A−1 is the base part. The
ASM5P2305A−1H / ASM5P2309A−1H is the high drive version of
the −1 and its rise and fall times are faster than −1 part.
Features
• 10 MHz to 133 MHz Operating Range, Compatible with CPU and
PCI Bus Frequencies
• Zero Input−output Propagation Delay
• Multiple Low−skew Outputs
♦ Output−output Skew less than 200 pS
♦ Device−device Skew less than 700 pS
♦ One Input Drives 9 Outputs, Grouped as
4 + 4 + 1 (ASM5P2309A)
♦ One Input Drives 5 Outputs (ASM5P2305A)
• Less than 200 pS Cycle−to−Cycle Jitter is Compatible with Pentium®
Based Systems
• Test Mode to Bypass PLL (ASM5P2309A Only, Refer to Select Input
Decoding Table)
• Packaging Information:
ASM5P2309A: 16−pin SOIC, TSSOP
ASM5P2305A: 8−pin SOIC, TSSOP
• Commercial and Industrial Temperature Range
• 3.3 V Operation
• Advanced 0.35 m CMOS Technology
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
http://onsemi.com
SOIC−8
S SUFFIX
CASE 751BD
TSSOP−8
T SUFFIX
CASE 948AL
SOIC−16
S SUFFIX
CASE 751BG
TSSOP−16
T SUFFIX
CASE 948AN
PIN CONFIGURATIONS
1
REF
CLKOUT
CLK CLK4
CLK1
GND
REF
ASM5P2305A
(Top View)
1
VDD
CLK3
CLKOUT
CLKA1
CLKA4
CLKA2
CLKA3
VDD
GND
VDD
GND
CLKB1
CLKB4
CLKB2
CLKB3
S2 S1
ASM5P2309A
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 11 of this data sheet.
© Semiconductor Components Industries, LLC, 2011
August, 2011 − Rev. 4
1
Publication Order Number:
ASM5P2305A/D
1 page ASM5P2305A, ASM5P2309A
Table 7. SWITCHING CHARACTERISTICS (for ASM5P2305A (−1, −1H) and ASM5P2309A (−1, −1H) (Notes 7, 8)
Parameter
Test Conditions
Min Typ Max
Output Frequency
30 pF load
10 pF load
10 100
10 133
Duty Cycle (Note 9)
Output Rise Time (Note 9)
Measured at 1.4 V, FOUT > 50 MHz
Measured at VDD /2, FOUT ≤ 50 MHz
Measured between 0.8 V and 2.0 V
(−1)
40 50 60
45 50 55
2.25
(−1H)
1.5 2
Output Fall Time (Note 9)
Measured between 2.0 V and 0.8 V
(−1)
2.25
(−1H)
1.5 2
Output−to−output skew (Note 9)
All outputs equally loaded
200
Delay, REF Rising Edge to
CLKOUT Rising Edge (Note 9)
Measured at VDD /2
0 ±350
Device−to−Device Skew (Note 9)
Cycle−to−cycle Jitter (Note 9)
Measured at VDD/2 on the CLKOUT pins of the device
Measured at 66.67 MHz, loaded outputs
0 700
200
PLL Lock Time (Note 9)
Stable power supply, valid clock presented on REF pin
7. For all measurements use Test Circuit #1.
8. All parameters are specified with loaded outputs.
9. Parameter is guaranteed by design and characterization. Not 100% tested in production.
1.0
Unit
MHz
%
nS
nS
pS
pS
pS
pS
mS
+3.3 V
TEST CIRCUIT #1
0.1 mF
VDD
ASM5P2305A
ASM5P2309A
GND
22 W
22 W
CLK OUT
CLOAD
CLK A / CLK B
CLOAD
Figure 3. Test Circuit
http://onsemi.com
5
5 Page ASM5P2305A, ASM5P2309A
Table 8. ORDERING INFORMATION
Part Number
Marking
P5P2309AF−1−16ST
5P2309AF−1
P5I2309AF−1−16ST
5I2309AF−1
P5P2309AF−116SR
5P2309AF−1
P5I2309AF−116SR
5I2309AF−1
P5P2309AF−1−16TT
5P2309AF−1
ASM5I2309AF−1−16−TT
5I2309AF−1
P5P2309AF−1−16TR
5P2309AF−1
ASM5I2309AF−1−16−TR
5I2309AF−1
P5P2309AF−1H16ST
5P2309AF−1H
ASM5I2309AF−1H−16−ST
5I2309AF−1H
P5P2309AF−1H16SR
5P2309AF−1H
ASM5I2309AF−1H−16−SR
5I2309AF−1H
ASM5P2309AF−1H−16−TT
5P2309AF−1H
ASM5I2309AF−1H−16−TT
5I2309AF−1H
P5P2309AF−1H16TR
5P2309AF−1H
ASM5I2309AF−1H−16−TR
5I2309AF−1H
P5P2305AF−1−08ST
5P2305AF−1
P5I2305AF−108ST
5I2305AF−1
P5P2305AF−1−08SR
5P2305AF−1
ASM5I2305AF−1−08−SR
5I2305AF−1
ASM5P2305AF−1−08−TT
5P2305AF−1
ASM5I2305AF−1−08−TT
5I2305AF−1
ASM5P2305AF−1−08−TR
5P2305AF−1
ASM5I2305AF−1−08−TR
5I2305AF−1
ASM5P2305AF−1H−08−ST
5P2305AF−1H
P5I2305AF−1H08ST
5I2305AF−1H
P5P2305AF−1H08SR
5P2305AF−1H
P5I2305AF−1H08SR
5I2305AF−1H
ASM5P2305AF−1H−08−TT
5P2305AF−1H
ASM5I2305AF−1H−08−TT
5I2305AF−1H
P5P2305AF−1H08TR
5P2305AF−1H
P5I2305AF−1H08TR
5I2305AF−1H
Package Type
16−pin 150−mil SOIC−TUBE,Pb Free
16−pin 150−mil SOIC− TUBE,Pb Free
16−pin 150−mil SOIC−TAPE & REEL,Pb Free
16−pin 150−mil SOIC−TAPE & REEL,Pb Free
16−pin 4.4−mm TSSOP − TUBE,Pb Free
16−pin 4.4−mm TSSOP − TUBE,Pb Free
16−pin 4.4−mm TSSOP − TAPE & REEL,Pb Free
16− pin 4.4−mm TSSOP − TAPE & REEL,Pb Free
16−pin 150−mil SOIC−TUBE,Pb Free
16−pin 150−mil SOIC− TUBE,Pb Free
16−pin 150−mil SOIC−TAPE & REEL,Pb Free
16−pin 150−mil SOIC−TAPE & REEL,Pb Free
16−pin 4.4−mm TSSOP − TUBE,Pb Free
16−pin 4.4−mm TSSOP − TUBE,Pb Free
16−pin 4.4−mm TSSOP − TAPE & REEL,Pb Free
16−pin 4.4−mm TSSOP − TAPE & REEL,Pb Free
8−pin 150−mil SOIC−TUBE,Pb Free
8−pin 150−mil SOIC− TUBE,Pb Free
8−pin 150−mil SOIC−TAPE & REEL,Pb Free
8−pin 150−mil SOIC−TAPE & REEL,Pb Free
8−pin 4.4−mm TSSOP − TUBE,Pb Free
8−pin 4.4−mm TSSOP − TUBE,Pb Free
8−pin 4.4−mm TSSOP − TAPE & REEL,Pb Free
8−pin 4.4−mm TSSOP − TAPE & REEL,Pb Free
8−pin 150−mil SOIC−TUBE,Pb Free
8−pin 150−mil SOIC− TUBE,Pb Free
8−pin 150−mil SOIC−TAPE & REEL,Pb Free
8−pin 150−mil SOIC−TAPE & REEL,Pb Free
8−pin 4.4−mm TSSOP − TUBE,Pb Free
8−pin 4.4−mm TSSOP − TUBE,Pb Free
8−pin 4.4−mm TSSOP − TAPE & REEL,Pb Free
8−pin 4.4−mm TSSOP − TAPE & REEL,Pb Free
Temperature
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
http://onsemi.com
11
11 Page |
Páginas | Total 12 Páginas | |
PDF Descargar | [ Datasheet ASM5P2309A.PDF ] |
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