CY2303SXI

CY2303SXI Datasheet


CY2303

Part Datasheet
CY2303SXI CY2303SXI CY2303SXI (pdf)
Related Parts Information
CY2303SXIT CY2303SXIT CY2303SXIT
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CY2303

Phase-Aligned Clock Multiplier
• 3-multiplier configuration 1x, 2x, 4x Ref
• 10 MHz to MHz operating range reference input from
10 MHz to MHz
• Phase Alignment
• 80 ps typical period jitter
• Output enable pin
• 3.3V operation
• 5V Tolerant input
• 8-pin 150-mil SOIC package
• Commercial and Industrial Temperature available

Selector Guide

Part Number CY2303SXC CY2303SXI

Outputs 3

Input Frequency Range 10 MHz 10 MHz

Functional Description

The CY2303 is a 3 output 3.3V phase-aligned system clock designed to distribute high-speed clocks in PC, workstation, datacom, telecom, and other high-performance applications.

The part allows user to obtain 1x, 2x, and 4x Ref output frequencies on respective output pins.

The CY2303 has an on-chip PLL, which locks to an input clock presented on the REFIN pin. The PLL feedback is internally connected to the REF output. The input-to-output skew is guaranteed to be less than ±200 ps, and output-to-output skew is guaranteed to be less than 200 ps.

Multiple CY2303 devices can accept the same input clock and distribute it in a system. In this case, the skew between the outputs of two devices is guaranteed to be less than 400 ps.

The CY2303 is available in commercial and industrial temperature ranges.

Output Frequency Range 10 MHz 10 MHz

Specifics Commercial Temperature

Industrial Temperature

Logic Block Diagram

REFIN OE

FBK x1

PLL x2

REF REFx2 REFx4
• San Jose, CA 95134-1709
• 408-943-2600
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CY2303

Pinouts

Figure CY2303 - 8-pin SOIC Top View

REF 1

GND 2 REFIN 3

N/C 4
8 OE 7 VDD 6 REFx4
5 REFx2

Pin Description

Signal[1]

REFIN

REFx2

REFx4

Description REF output 1x Reference input Ground Input reference frequency, 5V tolerant input No Connect 2x Reference input 4x Reference input 3.3V Supply Output Enable weak pull up

Maximum Ratings

Supply Voltage to Ground to +7.0V DC Input Voltage Except Ref to VDD + 0.5V DC Input Voltage to 7V

Storage Temperature to +150°C
Ordering Information
Ordering Code Pb-free CY2303SXC CY2303SXCT CY2303SXI CY2303SXIT

Package Type
8-Pin 150-mil SOIC 8-Pin 150-mil SOIC - Tape and Reel 8-Pin 150-mil SOIC 8-Pin 150-mil SOIC - Tape and Reel

Operating Range

Commercial Industrial

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CY2303

Package Diagram

Figure 8-Pin 150-Mil SOIC S8
8 Lead 150 Mil SOIC - S08

PIN 1 ID

DIMENSIONS IN INCHES[MM] MIN.

MAX.

PIN 1 ID IS OPTIONAL, ROUND ON SINGLE LEADFRAME RECTANGULAR ON MATRIX LEADFRAME

REFERENCE JEDEC MS-012 PACKAGE WEIGHT 0.07gms

PART # S08.15 STANDARD PKG. SZ08.15 LEAD FREE PKG.

SEATING PLANE

X 45°
0°~8°
51-85066-*C

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CY2303

Document History Page

Document Title CY2303 Phase-Aligned Clock Multiplier Document Number 38-07249

Orig. of Submission

Change

Description of Change
110514
01/07/02 Change from Spec number 38-01036 to 38-07249
121852
12/14/02 Power up requirements added to Operating Conditions Information
390413
08/10/05 Added Lead-free devices

Added typical values for jitter
2568533 AESA
09/23/08 Updated template.

Removed part number CY2303SC and CY2303SI from Selector Guide table.

Removed part number CY2303SC, CY2303SCT, CY2303SI, and

CY2303SIT.

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Datasheet ID: CY2303SXI 507679