ICS83905AM IDT [Integrated Device Technology], ICS83905AM Datasheet

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ICS83905AM

Manufacturer Part Number
ICS83905AM
Description
LOW SKEW, 1:6 CRYSTAL-TO-LVCMOS/LVTTL FANOUT BUFFER
Manufacturer
IDT [Integrated Device Technology]
Datasheet

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Part Number:
ICS83905AMLF
Manufacturer:
IDT
Quantity:
109
LOW SKEW, 1:6 CRYSTAL-TO-
LVCMOS/LVTTL FANOUT BUFFER
P
IDT
G
transmission lines. The effective fanout can be increased from 6
to 12 by utilizing the ability of the outputs to drive two series
terminated lines.
The ICS83905 is characterized at full 3.3V, 2.5V, and 1.8V,
mixed 3.3V/2.5V, 3.3V/1.8V and 2.5V/1.8V output operating
supply mode. Guaranteed output and part-to-part skew char-
acteristics along with the 1.8V output capabilities makes the
ICS83905 ideal for high performance, single ended applica-
tions that also require a limited output voltage.
HiPerClockS™
4mm x 4mm x 0.9mm
IC S
IN
20-Lead VFQFN
ENERAL
ICS83905
body package
K Package
/ ICS
3.9mm x 9.9mm x 1.38mm body
Top View
4.4mm x 5.0mm x 0.92mm body
A
XTAL_OUT
ENABLE 2
SSIGNMENTS
BCLK0
BCLK1
BCLK2
LVCMOS/LVTTL FANOUT BUFFER
GND
GND
V
The ICS83905 is a low skew, 1-to-6 LVCMOS / LVTTL
Fanout Buffer and a member of the HiPerClockS™
family of High Performance Clock Solutions from IDT.
The low impedance LVCMOS/LVTTL outputs are de-
signed to drive 50
DD
16-Lead TSSOP
o
16-Lead SOIC
D
ICS83905
M Pacakge
G Pacakge
Top View
Top View
package
package
1
2
3
4
5
6
7
8
ESCRIPTION
BCLK0
BCLK1
GND
GND
V
16
15
14
13
12
11
10
DDO
9
XTAL_IN
ENABLE 1
BCLK5
V
BCLK4
GND
BCLK3
V
DDO
DD
1
2
3
4
5
20 19 18 17 16
6
series or parallel terminated
7
8
9 10
15
14
13
12
11
BCLK5
V
BCLK4
GND
GND
DDO
1
XTAL_OUT
ENABLE 1
ENABLE 2
F
B
XTAL_IN
Six LVCMOS / LVTTL outputs
Outputs able to drive 12 series terminated lines
Crystal oscillator interface
Crystal input frequency range: 10MHz to 40MHz
Output skew: 80ps (maximum)
RMS phase jitter @ 25MHz, (100Hz - 1MHz):
0.26ps (typical) (V
Phase noise:
5V tolerant enable inputs
Synchronous output enables
Operating power supply modes:
Full 3.3V, 2.5V and 1.8V,
mixed 3.3V core/2.5V output operating supply,
mixed 3.3V core/1.8V output operating supply,
mixed 2.5V core/1.8V output operating supply
0°C to 70°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
EATURES
100kHz ............. -157.3 dBc/Hz
LOCK
Offset
100Hz ............. -129.7 dBc/Hz
10kHz ............. -147.3 dBc/Hz
1kHz ............. -144.4 dBc/Hz
D
IAGRAM
SYNCHRONIZE
SYNCHRONIZE
DD
Noise Power
= V
DDO
= 2.5V)
ICS83905AM REV. B JULY 9, 2007
ICS83905
BCLK0
BCLK1
BCLK2
BCLK3
BCLK4
BCLK5

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ICS83905AM Summary of contents

Page 1

... BCLK5 15 Available in both standard (RoHS 5) and lead-free (RoHS DDO packages BCLK4 13 GND 12 GND LOCK XTAL_IN XTAL_OUT ENABLE 1 ENABLE 2 1 ICS83905 = V = 2.5V) DD DDO Noise Power D IAGRAM SYNCHRONIZE SYNCHRONIZE ICS83905AM REV. B JULY 9, 2007 BCLK0 BCLK1 BCLK2 BCLK3 BCLK4 BCLK5 ...

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... ICS83905AM REV. B JULY 9, 2007 ...

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... ICS83905AM REV. B JULY 9, 2007 ...

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... ICS83905AM REV. B JULY 9, 2007 ...

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... ICS83905AM REV. B JULY 9, 2007 ...

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... ICS83905AM REV. B JULY 9, 2007 ...

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... ICS83905AM REV. B JULY 9, 2007 ...

Page 8

... Raw Phase Noise Data 100 FFSET REQUENCY ORE UTPUT 25MHz RMS Phase Jitter (Random) 100Hz to 1MHz = 0.26ps (typical) 10k 100k 3. ORE UTPUT 25MHz RMS Phase Jitter (Random) 100Hz to 1MHz = 0.13ps (typical) 10k 100k ICS83905AM REV. B JULY 9, 2007 ...

Page 9

... DD Qx LVCMOS C 2.5 C /1.8V O IRCUIT ORE 9 I NFORMATION SCOPE Qx /2. UTPUT OAD EST IRCUIT 1.25V±5% SCOPE V DDO Qx GND /2. UTPUT OAD EST IRCUIT 0.9V±0.1V V DDO Qx GND -0.9V±0. UTPUT OAD EST IRCUIT ICS83905AM REV. B JULY 9, 2007 SCOPE ...

Page 10

... KEW 80% 20% Clock t Outputs UTPUT ISE ALL IME IDT ™ / ICS ™ LVCMOS/LVTTL FANOUT BUFFER BCLKx O D UTPUT UTY 80% 20 PERIOD 100% odc = t PERIOD YCLE ULSE IDTH ERIOD ICS83905AM REV. B JULY 9, 2007 ...

Page 11

... For most 50 and R2 can be 100 . This can also be accomplished by removing R1 and making VCC DD R1 .1uf LVCMOS D ENERAL IAGRAM FOR RIVER TO 11 NTERFACE applications, R1 XTAL_IN XTAL_OUT XTAL I I NPUT NTERFACE ICS83905AM REV. B JULY 9, 2007 ...

Page 12

... Application Note on Surface Mount Assembly of Amkor’s Thermally /Electrically Enhance Leadframe Base Package, Amkor Technology. EXPOSED PAD THERM AL VIA OARD FOR XPOSED AD HERMAL 12 : UTPUTS SOLDER SIGNAL TRACE Expose Metal Pad (GROUND PAD ELEASE ATH XAMPLE ICS83905AM REV. B JULY 9, 2007 ...

Page 13

... Unused outputs can be left floating. There should be no trace attached to unused outputs. Device characterized and specification limits set with all outputs terminated IGURE CHEMATIC OF ECOMMENDED Ohm LVCMOS VDD R3 100 Ohm R4 100 LVCMOS Optional Termination L AYOUT ICS83905AM REV. B JULY 9, 2007 ...

Page 14

... JA 0 78.8°C TSSOP EAD by Velocity (Linear Feet per Minute 137.1°C/W 89.0°C VFQFN EAD by Velocity (Meters per Second 60.4°C 71.1°C/W 66.2°C/W 200 500 118.2°C/W 106.8°C/W 81.8°C/W 78.1°C 52.8°C/W 46.0°C/W ICS83905AM REV. B JULY 9, 2007 ...

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... ° 0 ° ICS83905AM REV. B JULY 9, 2007 m ...

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... Reference Document: JEDEC Publication 95, MO-220 VFQFN EAD ICS83905AM REV. B JULY 9, 2007 ...

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... ° & ° ICS83905AM REV. B JULY 9, 2007 ° ° ° ° ° ° ° ° ...

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... ICS83905AM REV. B JULY 9, 2007 ...

Page 19

ICS83905 LOW SKEW, 1:6 CRYSTAL-TO-LVCMOS/LVTTL FANOUT BUFFER Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 Corporate Headquarters Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 United States ...

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