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PDF 84330CI Data sheet ( Hoja de datos )
| Número de pieza | 84330CI | |
| Descripción | Crystal-to-LVPECL Frequency Synthesizer | |
| Fabricantes | IDT | |
| Logotipo |  |
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720MHz, Low Jitter, Crystal-to-LVPECL
Frequency Synthesizer
84330CI
Data Sheet
General Description
The 84330CI is a general purpose, single output high frequency
synthesizer. The VCO operates at a frequency range of 250MHz to
720MHz. The VCO and output frequency can be programmed using
the serial or parallel interfaces to the configuration logic. The output
can be configured to divide the VCO frequency by 1, 2, 4, and 8.
Output frequency steps as small as 250kHz to 2MHz can be
achieved using a 16MHz crystal depending on the output divider
settings.
Features
• Fully integrated PLL, no external loop filter requirements
• One differential 3.3V LVPECL output
• Crystal oscillator interface: 10MHz to 25MHz
• Output frequency range: 31.25MHz to 720MHz
• VCO range: 250MHz to 720MHz
• Parallel or serial interface for programming M and N dividers
during power-up
• RMS period jitter: 6ps (maximum)
• Cycle-to-cycle jitter: 40ps (maximum)
• 3.3V supply voltage
• -40°C to 85°C ambient operating temperature
• Available in lead-free (RoHS 6) packages
Pin Assignments
Block Diagram
OE
XTAL1
XTAL2
FREF_EXT
Pullup
OSC
Pulldown
XTAL_SEL
Pullup
1
0
÷ 16
PLL
PHASE DETECTOR
VCO
÷M ÷2
÷2
1
÷4
÷8
÷1
0
S_LOAD
S_DATA
S_CLOCK
nP_LOAD
Pulldown
Pulldown
Pulldown
Pullup
M0:M8
N0:N1
Pullup
Pullup
CONFIGURATION
INTERFACE
LOGIC
FOUT
nFOUT
TEST
25 24 23 22 21 20 19
S_CLOCK
S_DATA
S_LOAD
VCCA
FREF_EXT
XTAL_SEL
XTAL1
26 18
27 ICS84330CI 17
28 28 Lead PLCC 16
1
V Package
15
11.6mm x 11.4mm x 4.1mm
2
package body
14
3
Top View
13
4 12
5 6 7 8 9 10 11
N1
N0
M8
M7
M6
M5
M4
32 31 30 29 28 27 26 25
S_CLOCK 1
24 nc
S_DATA 2
S_LOAD 3
VCCA 4
VCCA 5
FREF_EXT 6
XTAL_SEL 7
ICS84330CI
32 Lead LQFP
Y Package
7mm x 7mm x 1.4mm
package body
Top View
23 N1
22 N0
21 M8
20 M7
19 M6
18 M5
XTAL1 8
17 M4
9 10 11 12 13 14 15 16
©2016 Integrated Device Technology, Inc
1
Revision A January 13, 2016
1 page  
84330CI Data Sheet
Absolute Maximum Ratings
NOTE: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device.
These ratings are stress specifications only. Functional operation of product at these conditions or any conditions beyond
those listed in the DC Characteristics or AC Characteristics is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect product reliability.
Item
Supply Voltage, VCC
Inputs, VI
Outputs, IO
Continuous Current
Surge Current
Package Thermal Impedance, JA
28 Lead PLCC
32 Lead LQFP
Storage Temperature, TSTG
Rating
4.6V
-0.5V to VCC + 0.5V
50mA
100mA
37.8C/W (0 lfpm)
47.9C/W (0 lfpm)
-65C to 150C
DC Electrical Characteristics
Table 4A. Power Supply DC Characteristics, VCC = 3.3V±5%, VEE = 0V, TA = -40°C to 85°C
Symbol Parameter
Test Conditions
Minimum Typical
VCC
VCCA
ICC
ICCA
Core Supply Voltage
Analog Supply Voltage
Power Supply Current
Analog Supply Current
3.135
3.135
3.3
3.3
Maximum
3.465
3.465
160
17
Units
V
V
mA
mA
Table 4B. LVCMOS/LVTTL DC Characteristics, VCC = 3.3V±5%, VEE = 0V, TA = -40°C to 85°C
Symbol Parameter
Test Conditions
Minimum Typical
VIH Input High Voltage
VIL Input Low Voltage
M0-M8, N0, N1, OE,
IIH
Input
High Current
nP_LOAD, XTAL_SEL
S_LOAD, S_CLOCK
FREF_EXT, S_DATA
VCC = VIN = 3.465V
VCC = VIN = 3.465V
2
-0.3
IIL
Input
Low Current
M0-M8, N0, n1, OE,
nP_LOAD, XTAL_SEL
S_LOAD, S_CLOCK
FREF_EXT, S_DATA
VCC = 3.465V, VIN = 0V
VCC = 3.465V, VIN = 0V
-150
-5
Maximum
VCC + 0.3
0.8
5
150
Units
V
V
µA
µA
µA
µA
Table 4C. LVPECL DC Characteristics, VCC = 3.3V±5%, VEE = 0V, TA = -40°C to 85°C
Symbol Parameter
Test Conditions
Minimum
VOH
VOL
VSWING
Output High Voltage; NOTE 1
Output Low Voltage; NOTE 1
Peak-to-Peak Output Voltage Swing
VCC - 1.4
VCC - 2.0
0.6
NOTE 1: Outputs terminated with 50 to VCC -2V.
Typical
Maximum
VCC - 0.9
VCC - 1.7
1.0
Units
V
V
V
©2016 Integrated Device Technology, Inc
5
Revision A January 13, 2016
5 Page 
84330CI Data Sheet
Layout Guideline
The schematic of the 84330CI layout example used in this layout
guideline is shown in Figure 6A. The 84330CI recommended PCB
board layout for this example is shown in Figure 6B. This layout
example is used as a general guideline. The layout in the actual
system will depend on the selected component types, the density of
the components, the density of the traces, and the stack up of the
P.C. board.
SP C1
X1 C2
16MHz, 18pF
SP
VCC=3.3V
SP = Space (i.e. not intstalled)
M [8:0]= 110010000 (400)
N[1:0] =00 (Divide by 2)
M4
M5
M6
M7
12
13
14
15
M4
M5
M6
M8 16 M7
N2
N1
17
18
M8
N0
N1
U1
ICS84330
VCC
RU0
SP
RU1
SP
RU7
1K
RU8
1K
RU9
SP
RU10
1K
RU11
SP
RU12
1K
C4
0.1u
RD0
1K
RD1
1K
RD7
SP
RD8
SP
RD9
1K
RD10 RD6
SP 1K
RD12
SP
Figure 6A. 84330CI Schematic of Recommended Layout
VCC
X_IN
XTAL_SEL
FREF_EXT
VCCA
S_LOAD
S_DATA
S_CLOCK
4
3
2
1
28
27
26
R7
10
VCCA
C11
0.01u
C16
10u
C3
0.1uF
Zo = 50 Ohm
Fout = 200 MHz
Zo = 50 Ohm
+
-
R2 R1
50 50
R3
50
©2016 Integrated Device Technology, Inc
11
Revision A January 13, 2016
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet 84330CI.PDF ] | |
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