CY25823 Datasheet, PDF (1/12 Pages) Cypress Semiconductor – CK-SSCD Spread Spectrum Differential Clock Specification

CY25823
CK-SSCD Spread Spectrum Differential Clock
Specification
Features
• 3.3V operation
• 96- and 100-MHz frequency support
• Selectable slew rate control
• 200-ps jitter
• I²C programmability
• 250-µA power-down current
• Lexmark Spread Spectrum for best electromagnetic
interference (EMI) reduction
• 16-pin TSSOP package
Block Diagram
VDD
VDDA
Clock Input
SDATA
SCLK
PWRDWN
Freq.
Divider
M
Logic
Control
Phase
Detector
Charge
Pump
Σ
VCO
Post
Dividers
Feedback
Divider
N
Modulating
Waveform
PLL
REFOUT
CLKOUT
(SSCG Output)
CLKOUT#
Pin Configuration
VSS
VSSA
CLKIN ₁
S3 ₂
S2 ₃
S1 ₄
PW RDW N 5
REFOUT/SEL ₆
SCLK ₇
SDATA ₈
16 VDDA
15 VSSA
14 IREF
13 ^VSSIREF
12
CLKOUT
11
CLKOUT#
10 ^VSS
9
VDD
16 pin TSSOP
Cypress Semiconductor Corporation • 3901 North First Street • San Jose, CA 95134 • 408-943-2600
Document #: 38-07579 Rev. *C
Revised September 02, 2004