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PDF CY26121 Data sheet ( Hoja de datos )
| Número de pieza | CY26121 | |
| Descripción | Spread Spectrum Clock Generator | |
| Fabricantes | Cypress Semiconductor | |
| Logotipo |  |
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CY26121
PacketClock™ Spread Spectrum Clock
Generator
Features
■ Integrated phase-locked loop (PLL)
■ Low jitter, high-accuracy outputs
■ 3.3V operation
■ 25-MHz input frequency
■ 66.66-MHz or 33.33-MHz selectable output frequency (orig,
-3,-11,-31)
■ 33.33-MHz or 25-MHz selectable output frequency (-2,-21)
Benefits
■ High-performance PLL tailored for Spread Spectrum appli-
cation
■ Meets critical timing requirements in complex system designs
■ Enables application compatibility
■ Works with commonly available crystal or driven reference
■ Downspread Spread Spectrum with 30-kHz nominal
modulation frequency
Table 1. Frequency Table for CLKA-D
Part Number
CY26121
CY26121-2
CLKSEL=0
66.66 MHz
33.33 MHz
CY26121-3
CY26121-11
CY26121-21
CY26121-31
66.66 MHz
66.66 MHz
33.33 MHz
66.66 MHz
CLKSEL=1
33.33
25.00
33.33
33.33
25.00
33.33
Spread%
–2.8%
–2.8%
–1.4%
–2.8%
–2.8%
–1.4%
Parallel Crystal Load
6 pF
6 pF
6 pF
15 pF
15 pF
15 pF
Logic Block Diagram
25 MHz XIN
XOUT
SSON
OSC.
PLL
with
Modulation Control
Flash Configuration
CLKSEL
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VDD AVDD AVSS VSS
OUTPUT
MULTIPLEXER
AND
DIVIDERS
VDDL
CLKA
CLKB
CLKC
CLKD
VSSL
REF
Cypress Semiconductor Corporation • 198 Champion Court
Document #: 38-07350 Rev. *A
• San Jose, CA 95134-1709 • 408-943-2600
Revised May 22, 2008
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Ordering Information
Ordering Code
CY26121ZC[4]
CY26121ZCT[4]
CY26121ZI[4]
CY26121ZIT[4]
CY26121ZC-2[4]
CY26121ZC-2T[4]
CY26121ZI-2[4]
CY26121ZI-2T[4]
CY26121ZC-3[4]
CY26121ZC-3T[4]
CY26121ZI-3[4]
CY26121ZI-3T[4]
CY26121ZC-11[4]
CY26121ZC-11T[4]
CY26121ZC-21[4]
CY26121ZC-21T[4]
CY26121ZI-21[4]
CY26121ZI-21T[4]
CY26121ZC-31[4]
CY26121ZC-31T[4]
CY26121KZC-21
CY26121KZC-21T
CY26121KZI-21
CY26121KZI-21T
Pb-Free
CY26121ZXC-21[4]
CY26121ZXC-21T[4]
CY26121ZXI-21[4]
CY26121ZXI-21T[4]
CY26121KZXC-21
CY26121KZXC-21T
CY26121KZXI-21
CY26121KZXI-21T
Package Type
16-pin TSSOP
16-pin TSSOP – Tape and Reel
16-pin TSSOP
16-pin TSSOP – Tape and Reel
16-pin TSSOP
16-pin TSSOP – Tape and Reel
16-pin TSSOP
16-pin TSSOP – Tape and Reel
16-pin TSSOP
16-pin TSSOP – Tape and Reel
16-pin TSSOP
16-pin TSSOP – Tape and Reel
16-pin TSSOP
16-pin TSSOP – Tape and Reel
16-pin TSSOP
16-pin TSSOP – Tape and Reel
16-pin TSSOP
16-pin TSSOP – Tape and Reel
16-pin TSSOP
16-pin TSSOP – Tape and Reel
16-pin TSSOP
16-pin TSSOP – Tape and Reel
16-pin TSSOP
16-pin TSSOP – Tape and Reel
16-pin TSSOP
16-pin TSSOP – Tape and Reel
16-pin TSSOP
16-pin TSSOP – Tape and Reel
16-pin TSSOP
16-pin TSSOP – Tape and Reel
16-pin TSSOP
16-pin TSSOP – Tape and Reel
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Note
4. Not recommended for new designs.
Document #: 38-07350 Rev. *A
CY26121
Operating Range
Commercial, 0°C to 70°C
Commercial, 0°C to 70°C
Industrial, –40°C to 85°C
Industrial, –40°C to 85°C
Commercial, 0°C to 70°C
Commercial, 0°C to 70°C
Industrial, –40°C to 85°C
Industrial, –40°C to 85°C
Commercial, 0°C to 70°C
Commercial, 0°C to 70°C
Industrial, –40°C to 85°C
Industrial, –40°C to 85°C
Commercial, 0°C to 70°C
Commercial, 0°C to 70°C
Commercial, 0°C to 70°C
Commercial, 0°C to 70°C
Industrial, –40°C to 85°C
Industrial, –40°C to 85°C
Commercial, 0°C to 70°C
Commercial, 0°C to 70°C
Commercial, 0°C to 70°C
Commercial, 0°C to 70°C
Industrial, –40°C to 85°C
Industrial, –40°C to 85°C
Commercial, 0°C to 70°C
Commercial, 0°C to 70°C
Industrial, –40°C to 85°C
Industrial, –40°C to 85°C
Commercial, 0°C to 70°C
Commercial, 0°C to 70°C
Industrial, –40°C to 85°C
Industrial, –40°C to 85°C
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| PDF Descargar | [ Datasheet CY26121.PDF ] | |
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