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83905 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 83905
部品説明 1:6 Crystal-to-LVCMOS/LVTTL Fanout Buffer
メーカ IDT
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83905 Datasheet, 83905 PDF,ピン配置, 機能
Low Skew, 1:6 Crystal-to-LVCMOS/
LVTTL Fanout Buffer
83905
Datasheet
General Description
The 83905 is a low skew, 1-to-6 LVCMOS / LVTTL Fanout Buffer.
The low impedance LVCMOS/LVTTL outputs are designed to
drive 50series or parallel terminated 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 83905 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 characteristics
along with the 1.8V output capabilities makes the 83905 ideal for
high performance, single ended applications that also require a
limited output voltage.
Pin Assignments
Features
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),
VDD = VDDO = 2.5V
Offset
Noise Power
100Hz.................-129.7 dBc/Hz
1kHz ...................-144.4 dBc/Hz
10kHz .................-147.3 dBc/Hz
100kHz ...............-157.3 dBc/Hz
5V tolerant enable inputs
Synchronous output enables
Operating power supply modes:
Full 3.3V, 2.5V, 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
Lead-free (RoHS 6) packaging
83905
20-Lead VFQFN
4mm x 4mm x 0.925mm
package body
K Package
Top View
20 19 18 17 16
GND 1
15 BCLK5
GND 2
14 VDDO
BCLK0 3
VDDO 4
13 BCLK4
12 GND
BCLK1 5
11 GND
6 7 8 9 10
Block Diagram
83905
16-Lead SOIC, 150 Mil
3.9mm x 9.9mm x 1.38mm
package body
M Package
Top View
16-Lead TSSOP
4.4mm x 5.0mm x 0.925mm
package body
G Package
Top View
XTAL_OUT
ENABLE2
GND
BCLK0
VDDO
BCLK1
GND
BCLK2
1
2
3
4
5
6
7
8
16 XTAL_IN
15 ENABLE1
14 BCLK5
13 VDDO
12 BCLK4
11 GND
10 BCLK3
9 VDD
XTAL_IN
XTAL_OUT
ENABLE 1
ENABLE 2
SYNCHRONIZE
SYNCHRONIZE
BCLK0
BCLK1
BCLK2
BCLK3
BCLK4
BCLK5
©2016 Integrated Device Technology, Inc.
1
Revision D September 27, 2016

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