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

部品番号 83905I
部品説明 1:6 Crystal Interface to LVCMOS/ LVTTL Fanout Buffer
メーカ IDT
ロゴ IDT ロゴ 



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83905I Datasheet, 83905I PDF,ピン配置, 機能
Low Skew, 1:6 Crystal Interface to
LVCMOS/ LVTTL Fanout Buffer
83905I
Datasheet
General Description
The 83905I 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 83905I 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
modes. Guaranteed output and part-to-part skew characteristics
along with the 1.8V output capabilities makes the 83905I ideal for
high performance, single ended applications that also require a
limited output voltage.
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
-40°C to 85°C ambient operating temperature
Lead-free (RoHS 6) packaging
Pin Assignments
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
16-Lead TSSOP
4.4mm x 5.0mm x 0.925mm
package body
G Package
Top View
©2016 Integrated Device Technology, Inc.
Block Diagram
XTAL_IN
XTAL_OUT
ENABLE 1
ENABLE 2
SYNCHRONIZE
SYNCHRONIZE
BCLK0
BCLK1
BCLK2
BCLK3
BCLK4
BCLK5
1 Revision C September 28, 2016

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