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9SQL4958BNDGI Fiches technique(PDF) 3 Page - Integrated Device Technology

No de pièce 9SQL4958BNDGI
Description  8-output CK420BQ Derivative
PDF  20 Pages
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Fabricant  IDT [Integrated Device Technology]
Site Internet  http://www.idt.com
Logo IDT - Integrated Device Technology

9SQL4958BNDGI Fiches technique(HTML) 3 Page - Integrated Device Technology

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OCTOBER 28, 2016
3
8-OUTPUT CK420BQ DERIVATIVE
9SQL4958 DATASHEET
Pin Descriptions
PIN #
PIN NAME
TYPE
DESCRIPTION
1
vSS_EN_tri
LATCHED
IN
Latched select input to select spread spectrum amount at initial power up :
1 = -0.5% spread, M = -0.25%, 0 = Spread Off
2
GNDXTAL
GND
GND for XTAL
3
XIN/CLKIN_25
IN
Crystal input or Reference Clock input. Nominally 25MHz.
4
X2
OUT
Crystal output.
5
VDDXTAL3.3
PWR
Power supply for XTAL, nominal 3.3V
6
VDDREF3.3
PWR
VDD for REF output. nominal 3.3V.
7
vSADR/REF3.3
LATCHED
I/O
Latch to select SMBus Address/3.3V LVCMOS copy of X1/REFIN pin
8
GNDREF
GND
Ground pin for the REF outputs.
9
GNDDIG
GND
Ground pin for digital circuitry
10
SCLK_3.3
IN
Clock pin of SMBus circuitry, 3.3V tolerant.
11
SDATA_3.3
I/O
Data pin for SMBus circuitry, 3.3V tolerant.
12
VDDDIG3.3
PWR
3.3V digital power (dirty power)
13
VDDIO
PWR
Power supply for differential outputs
14
vOE0#
IN
Active low input for enabling output 0. This pin has an internal 120kohm pull-
down.
1 =disable outputs, 0 = enable outputs
15
BCLK0
OUT
True output of differential BCLK.
16
BCLK0#
OUT
Complement output of differential BCLK.
17
vOE1#
IN
Active low input for enabling output 1. This pin has an internal 120kohm pull-
down.
1 =disable outputs, 0 = enable outputs
18
BCLK1
OUT
True output of differential BCLK.
19
BCLK1#
OUT
Complement output of differential BCLK.
20
VDD3.3
PWR
Power supply, nominal 3.3V
21
VDDIO
PWR
Power supply for differential outputs
22
GND
GND
Ground pin.
23
BCLK2
OUT
True output of differential BCLK.
24
BCLK2#
OUT
Complement output of differential BCLK.
25
vOE2#
IN
Active low input for enabling output 2. This pin has an internal 120kohm pull-
down.
1 =disable outputs, 0 = enable outputs
26
BCLK3
OUT
True output of differential BCLK.
27
BCLK3#
OUT
Complement output of differential BCLK.
28
vOE3#
IN
Active low input for enabling output 3. This pin has an internal 120kohm pull-
down.
1 =disable outputs, 0 = enable outputs
29
GNDA
GND
Ground pin for the PLL core.
30
VDDA3.3
PWR
3.3V power for the PLL core.
31
VDDIO
PWR
Power supply for differential outputs
32
BCLK4
OUT
True output of differential BCLK.
33
BCLK4#
OUT
Complement output of differential BCLK.
34
vOE4#
IN
Active low input for enabling output 4. This pin has an internal 120kohm pull-
down.
1 =disable outputs, 0 = enable outputs
35
BCLK5
OUT
True output of differential BCLK.
36
BCLK5#
OUT
Complement output of differential BCLK.
37
vOE5#
IN
Active low input for enabling output 5. This pin has an internal 120kohm pull-
down.
1 =disable outputs, 0 = enable outputs
38
VDD3.3
PWR
Power supply, nominal 3.3V
39
VDDIO
PWR
Power supply for differential outputs



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