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PDF HD151TS305RP Data sheet ( Hoja de datos )
| Número de pieza | HD151TS305RP | |
| Descripción | Spread Spectrum Clock | |
| Fabricantes | Renesas Technology | |
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HD151TS305RP
Spread Spectrum Clock for EMI Solution
REJ03D0021–0900Z
Rev.9.00
Jul. 07, 2004
Description
The HD151TS305 is a high-performance Spread Spectrum Clock modulator. It is suitable for low EMI solution.
Features
• Supports 60 MHz to 160 MHz operation. (Designed @ SSCCLKOUT = 72 MHz)
• 1 copy of finx4 clock out with Spread Spectrum Modulation @3.3 V
• 1 copy of reference clock @3.3 V
• Programmable Spread Spectrum Modulation (±0.25%, ±0.5%, ±1.5% Central Spread Modulation and Spread
Spectrum disable mode)
• SOP-8pin
Key Specifications
• Supply Voltages: VDD = 3.3 V ±0.165 V
• 0 to 70°C (Ta) Operating Range
• 50 ± 5% Outputs Clock Duty Cycle
• Cycle to Cycle jitter = ±250ps typ.
• Ordering Information
Part Name
Package Type
Package Code
Package
Abbreviation
HD151TS305RPEL
SOP-8 pin (JEDEC) FP-8DC
RP
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
EL (2,500 pcs / Reel)
Block Diagram
VDD
GND
XIN
OSC
XOUT R=1 MΩ
1/m
Synthesizer
1/n
SEL0
SEL1
R=100 kΩ
R=100 kΩ
SSC Modulator
Mode Control
CLKOUT (12MHz typ.)
SSCCLKOUT (48MHz typ.)
Rev.9.00 Jul. 07, 2004 page 1 of 9
1 page  
HD151TS305RP
Application Information
1. Recommended Circuit Configuration
The power supply circuit of the optimal performance on the application of a system should refer to Fig. 2.
VDD decoupling is important to both reduce Jitter and EMI radiation.
The C1 decoupling capacitor should be placed, as close to the VDD pin as possible, otherwise the increased trace
inductance will negate its decoupling capability.
The C2 decoupling capacitor shown should be a tantalum type.
SSCCLKOUT
R1
1
8 SEL1
VDD
C2 C1
GND GND
R2
27
3
TS300 Series
4
6 SEL0
5
GND
XIN
(Crystal or
Reference input)
XOUT
(Crystal or
Not connection)
CLKOUT
Notes:
C1 = High frequency supply decoupling capacitor.
(0.1 µF recommended)
C2 = Low frequency supply decoupling capacitor.
(22 µF tantalum type recommended)
R1, R2 = Match value to line impedance.
(22 Ω Reference value)
Figure 2 Recommended circuit configuration
Rev.9.00 Jul. 07, 2004 page 5 of 9
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet HD151TS305RP.PDF ] | |
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