CY28401 datasheet, PDF - EEWORLD Datasheet

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CY28401: Description28401 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO48; Categorysemiconductor logic; File Size180KB，13 Pages; ManufacturerSpectraLinear; Websitehttp://www.spectralinear.com/

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CY28401 Overview

28401 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO48

CY28401 Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	48
Maximum operating temperature	70 Cel
Minimum operating temperature	0.0 Cel
Maximum supply/operating voltage	3.46 V
Minimum supply/operating voltage	3.14 V
Rated supply voltage	3.3 V
Processing package description	LEAD FREE, SSOP-48
Lead-free	Yes
EU RoHS regulations	Yes
state	TRANSFERRED
packaging shape	RECTANGULAR
Package Size	SMALL OUTLINE, SHRINK PITCH
surface mount	Yes
Terminal form	GULL WING
Terminal spacing	0.6350 mm
terminal coating	NOT SPECIFIED
Terminal location	DUAL
Packaging Materials	PLASTIC/EPOXY
Temperature level	COMMERCIAL
series	28401
Output characteristics	3-ST
Enter conditions	DIFFERENTIAL MUX
Logic IC type	PLL BASED CLOCK DRIVER
Number of inverted outputs	0.0
Real output number	8
propagation delay TPD	0.2500 ns
Maximum same-side bending	0.2000 ns

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CY28401

100 MHz Differential Buffer for PCI Express and SATA

Features

• CK409 or CK410 companion buffer

• Eight differential 0.7V clock pairs

• Individual OE controls

• Low CTC jitter (< 50 ps)

• Programmable bandwidth

• SRC_STOP# power management control

• SMBus Block/Byte/Word Read and Write support

• 3.3V operation

• PLL Bypass-configurable

• Divide by 2 programmable

• 48-pin SSOP package

Functional Description

The CY28401 is a differential buffer and serves as a

companion device to the CK409 or CK410 clock generator.

The device is capable of distributing the Serial Reference

Clock (SRC) in PCI Express and SATA implementations.

Block Diagram

Pin Configuration

SRC_DIV2#

VDD

VSS

SRCT_IN

SRCC_IN

OE_0

OE_3

DIFT0

DIFCO

VSS

VDD

DIFT1

DIFC1

OE_1

OE_2

DIFT2

DIFC2

VSS

VDD

DIFT3

DIFC3

PLL/BYPASS#

SCLK

SDATA

VDD_A

VSS_A

IREF

LOCK

OE_7

OE_4

DIFT7

DIFC7

VSS

VDD

DIFT6

DIFC6

OE_6

OE_5

DIFT5

DIFC5

VSS

VDD

DIFT4

DIFC4

HIGH_BW#

SRC_STOP#

PWRDWN#

VSS

DIFT0

OE_[0:7]

SRC_STOP#

PWRDWN#

DIFC0

Output

Control

DIFT1

DIFC1

DIFT2

SCLK

SDATA

SRC_DIV2#

PLL/BYPASS#

SMBus

Controller

Output

Buffer

DIFC2

DIFT3

DIFC3

DIFT4

DIFC4

DIFT5

DIFC5

CY28401

SRCT_IN

SRCC_IN

DIV

HIGH_BW#

DIFT6

DIFC6

PLL

DIFT7

DIFC7

LOCK

48 SSOP

Rev 1.0, November 21, 2006

2200 Laurelwood Road, Santa Clara, CA 95054

Tel:(408) 855-0555

Fax:(408) 855-0550

Page 1 of 13

www.SpectraLinear.com

CY28401 Related Products

	CY28401	CY28401OC	CY28401OCT	CY28401OXC
Description	28401 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO48	28401 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO48	28401 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO48	28401 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO48
Number of functions	1	1	1	1
Number of terminals	48	48	48	48
Maximum operating temperature	70 Cel	70 Cel	70 Cel	70 Cel
Minimum operating temperature	0.0 Cel	0.0 Cel	0.0 Cel	0.0 Cel
Maximum supply/operating voltage	3.46 V	3.46 V	3.46 V	3.46 V
Minimum supply/operating voltage	3.14 V	3.14 V	3.14 V	3.14 V
Rated supply voltage	3.3 V	3.3 V	3.3 V	3.3 V
Processing package description	LEAD FREE, SSOP-48	LEAD FREE, SSOP-48	LEAD FREE, SSOP-48	LEAD FREE, SSOP-48
Lead-free	Yes	Yes	Yes	Yes
EU RoHS regulations	Yes	Yes	Yes	Yes
state	TRANSFERRED	TRANSFERRED	TRANSFERRED	TRANSFERRED
packaging shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package Size	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH
surface mount	Yes	Yes	Yes	Yes
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING
Terminal spacing	0.6350 mm	0.6350 mm	0.6350 mm	0.6350 mm
terminal coating	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
Terminal location	DUAL	DUAL	DUAL	DUAL
Packaging Materials	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
series	28401	28401	28401	28401
Output characteristics	3-ST	3-ST	3-ST	3-ST
Enter conditions	DIFFERENTIAL MUX	DIFFERENTIAL MUX	DIFFERENTIAL MUX	DIFFERENTIAL MUX
Logic IC type	PLL BASED CLOCK DRIVER	PLL BASED CLOCK DRIVER	PLL BASED CLOCK DRIVER	PLL BASED CLOCK DRIVER
Number of inverted outputs	0.0	0.0	0.0	0.0
Real output number	8	8	8	8
propagation delay TPD	0.2500 ns	0.2500 ns	0.2500 ns	0.2500 ns
Maximum same-side bending	0.2000 ns	0.2000 ns	0.2000 ns	0.2000 ns

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