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PDF CY25811 Data sheet ( Hoja de datos )
| Número de pieza | CY25811 | |
| Descripción | Spread Spectrum Clock Generator | |
| Fabricantes | Cypress Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CY25811 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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Features
■ 4 to 32 MHz input frequency range
■ 4 to 128 MHz output frequency range
■ Accepts clock, crystal, and resonator inputs
■ 1x, 2x, and 4x frequency multiplication:
❐ CY25811: 1x; CY25812: 2x; CY25814: 4x
■ Center and down spread modulation
■ Low power dissipation:
❐ 3.3V = 52 mW - typ at 6 MHz
❐ 3.3V = 60 mW - typ at12 MHz
❐ 3.3V = 72 mW - typ at 24 MHz
■ Low cycle to cycle jitter:
❐ 8 MHz = 480 ps-max
❐ 16 MHz = 400 ps-max
❐ 32 MHz = 450 ps-max
■ Available in 8-pin SOIC and TSSOP packages
■ Commercial and industrial temperature ranges
wCwwY.D2a5ta8Sh1e1et/41U.2co/1m4
Spread Spectrum Clock Generator
Applications
■ Printers and MFPs
■ LCD panels
■ Digital copiers
■ PDAs
■ CD-ROM, VCD, and DVD
■ Networking, LAN, and WAN
■ Scanners
■ Modems
■ Embedded digital systems
Benefits
■ Peak EMI reduction by 8 to 16 dB
■ Fast time to market
■ Cost reduction
Logic Block Diagram
300K
XIN 1
8pF
XOUT 8
8pF
VDD 7
VSS 2
REFERENCE
DIVIDER
PD and
CP
LF
MODULATION
CONTROL
6
FRSEL
INPUT
DECODER
LOGIC
34
S1 S0
VCO
COUNTE
R
VCO
COUNTER
and 5
MUX SSCLK
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 38-07112 Rev. *G
• San Jose, CA 95134-1709 • 408-943-2600
Revised October 22, 2008
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wwCwY.D2at5a8Sh1ee1t4/1U.c2o/m14
Absolute Maximum Conditions (both Commercial and Industrial Grades)[1,2]
Parameter
Description
Condition
VDD
VIN
TS
TA1
TA2
TJ
ESDHBM
UL-94
Supply Voltage
Input Voltage
Temperature, Storage
Relative to V SS
Non Functional
Temperature, Operating Ambient
Functional, C-Grade
Temperature, Operating Ambient
Functional, I-Grade
Temperature, Junction
Functional
ESD Protection (Human Body Model) MIL-STD-883, Method 3015
Flammability Rating
@1/8 in.
MSL
Moisture Sensitivity Level
DC Electrical Specifications (Commercial Grade)
Parameter
Description
VDD
VIL
VIM
VIH
VOL1
VOL2
VOH1
VOH2
CIN1
CIN2
CL
IDD1
IDD2
IDD3
3.3 Operating Voltage
Input Low Voltage
Input Middle Voltage
Input High Voltage
Output Low Voltage
Output Low Voltage
Output High Voltage
Output High Voltage
Input Pin Capacitance
Input Pin Capacitance
Output Load Capacitor
Dynamic Supply Current
Dynamic Supply Current
Dynamic Supply Current
Condition
3.3 ± 10%
S0, S1 and FRSEL Inputs
S0, S1 and FRSEL Inputs
S0, S1 and FRSEL Inputs
IOL = 4 ma, SSCLK Output
IOL = 10 ma, SSCLK Output
IOH = 4 ma, SSCLK Output
IOH = 6 ma, SSCLK Output
XIN (Pin 1) and XOUT (Pin 8)
All Digital Inputs
SSCLK Output
Fin = 12 MHz, no load
Fin = 24 MHz, no load
Fin = 32 MHz, no load
Min Max
–0.5 4.6
–0.5
–65
VDD + 0.5
150
0 70
–40 85
– 150
2000
–
V–0
1
Unit
V
VDC
°C
°C
°C
°C
V
Min Max
3.97 3.63
0
0.40VDD
0.85VDD
–
0.15VDD
0.60VDD
VDD
0.4
– 1.2
2.4 –
2.0 –
3.5 9.0
2.8 6.0
– 15
– 28
– 33
– 40
Unit
V
V
V
V
V
V
V
V
pF
pF
pF
mA
mA
mA
Notes
1. Operation at any Absolute Maximum Rating is not implied.
2. Single Power Supply: The voltage on any input or I/O pin cannot exceed the power pin during power up.
Document Number: 38-07112 Rev. *G
Page 5 of 13
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wwCwY.D2at5a8Sh1ee1t4/1U.c2o/m14
Figure 6. 8-Pin Thin Shrunk Small Outline Package (4.40 MM Body) Z8 (51-85093)
PIN 1 ID
1
DIMENSIONS IN MM[INCHES] MIN.
MAX.
6.25[0.246]
6.50[0.256]
4.30[0.169]
4.50[0.177]
0.19[0.007]
0.30[0.012]
8
0.65[0.025]
BSC.
1.10[0.043] MAX.
0.85[0.033]
0.95[0.037]
2.90[0.114]
3.10[0.122]
0.05[0.002]
0.15[0.006]
0.076[0.003]
SEATING
PLANE
0.25[0.010]
BSC
GAUGE
PLANE
0° -8°
0.50[0.020]
0.70[0.027]
51-85093-*A
0.09[[0.003]
0.20[0.008]
Document Number: 38-07112 Rev. *G
Page 11 of 13
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| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet CY25811.PDF ] | |
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