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8L30205 PDF даташит

Спецификация 8L30205 изготовлена ​​​​«IDT» и имеет функцию, называемую «Crystal or Differential to LVCMOS/LVTTL Clock Buffer».

Детали детали

Номер произв 8L30205
Описание Crystal or Differential to LVCMOS/LVTTL Clock Buffer
Производители IDT
логотип IDT логотип 

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8L30205 Даташит, Описание, Даташиты
Crystal or Differential to LVCMOS/
LVTTL Clock Buffer
8L30205
DATA SHEET
General Description
The 8L30205 is a low skew, 1-to-5 LVCMOS / LVTTL Fanout Buffer.
The low impedance LVCMOS/LVTTL outputs are designed to drive
50series or parallel terminated transmission lines.
The 8L30205 is characterized at full 3.3V and 2.5V, mixed 3.3V/2.5V,
3.3V/1.8V, 3.3V/1.5V, 2.5V/1.8V and 2.5V/1.5V output operating
supply modes. The input clock is selected with a differential clock
input or a crystal input. The differential input can be wired to accept
a single-ended input. The internal oscillator circuit is automatically
disabled if the crystal input is not selected.
Features
Five LVCMOS / LVTTL outputs up to 200MHz
Differential input pair can accept the following differential input
levels: LVPECL, LVDS, HCSL
Crystal Oscillator Interface
Crystal input frequency range: 10MHz to 40MHz
Additive RMS phase jitter: 30fs (typical)
Synchronous output enable to avoid clock glitch
Power supply modes:
Core / Output
3.3V / 3.3V
2.5V / 2.5V
3.3V / 2.5V
3.3V / 1.8V
3.3V / 1.5V
2.5V / 1.8V
2.5V / 1.5V
-40°C to 85°C ambient operating temperature
Supports case temperature up to 105°C
Available in lead-free (RoHS 6) package
Block Diagram
Pin Assignment
SEL
Pulldown
CLK
nCLK
Pulldown
Pullup/ Pulldown
0
XTAL_OUT
XTAL_IN
OSC
1
Bank A
Bank B
Q0 24 23 22 21 20 19
GND 1
18 VDDO
Q1
VDDO 2
17 Q4
Q0 3
GND 4
Q2
8L30205
16 GND
15 Q3
Q1 5
Q3
VDDO 6
14 VDDO
13 Q2
Q4 7 8 9 10 11 12
OE Pulldown
SYNC
24-pin, 4mm x 4mm VFQFN Package
8L30205 REVISION 1 11/18/15
1 ©2015 Integrated Device Technology, Inc.









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8L30205 Даташит, Описание, Даташиты
8L30205 DATA SHEET
Pin Descriptions and Pin Characteristics
Table 1. Pin Descriptions
Number
Name
Type
Description
1
GND
Power
Power supply ground.
2
VDDO
Power
Output power supply pin for Bank A.
3
Q0 Output
Single-ended clock output. LVCMOS/LVTTL interface levels.
4
GND
Power
Power supply ground.
5
Q1 Output
Single-ended clock output. LVCMOS/LVTTL interface levels.
6
VDDO
Power
Output power supply pin for Bank A.
7
GND
Power
Power supply ground.
8
VDD Power
Power supply pin.
9
XTAL_IN
Input
Crystal oscillator interface. XTAL_IN is the input.
10
XTAL_OUT
Input
Crystal oscillator interface. XTAL_OUT is the output.
11
GND
Power
Power supply ground.
12
GND
Power
Power supply ground.
13
Q2 Output
Single-ended clock output. LVCMOS/LVTTL interface levels.
14
VDDO
Power
Output power supply pin for Bank B.
15
Q3 Output
Single-ended clock output. LVCMOS/LVTTL interface levels.
16
GND
Power
Power supply ground.
17
Q4 Output
Single-ended clock output. LVCMOS/LVTTL interface levels.
18
VDDO
Power
Output power supply pin for Bank B.
19
GND
Power
Power supply ground.
20
nCLK
Input
Pullup/
Pulldown
Inverting differential clock. Internal resistor bias to VDD/2.
21 CLK Input Pulldown Non-inverting differential clock.
22
SEL
Input
Pulldown
Input clock selection. LVCMOS/LVTTL interface levels.
See Table 3A.
23
VDD Power
Power supply pin.
24 OE Input Pulldown Output enable. LVCMOS/LVTTL interface levels. See Table 3B.
ePad
Exposed Pad
Power
Must be connected to GND.
NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.
CRYSTAL OR DIFFERENTIAL-TO-LVCMOS/LVTTL CLOCK BUFFER
2
REVISION 1 11/18/15









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8L30205 Даташит, Описание, Даташиты
Table 2. Pin Characteristics
Symbol
Parameter
CIN
Input Capacitance
SEL, OE,
CLK, nCLK
RPULLDOWN Input Pulldown Resistor
RPULLUP
Input Pullup Resistor
CPD
Power Dissipation Capacitance
(per output)
ROUT
Output Impedance
8L30205 DATA SHEET
Test Conditions
VDDO = 3.465V
VDDO = 2.625V
VDDO = 1.95V
VDDO = 1.6V
VDDO = 3.3V ± 5%
VDDO = 2.5V ± 5%
VDDO = 1.8V ± 0.15V
VDDO = 1.5V ± 0.1V
Minimum
Typical
2
51
51
11
9
8
8
40
40
50
55
Maximum
Units
pF
k
k
pF
pF
pF
pF
REVISION 1 11/18/15
3 CRYSTAL OR DIFFERENTIAL-TO-LVCMOS/LVTTL CLOCK BUFFER










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