VSC7440 datasheet(418/444 Pages) MICROSEMI

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Electrical Specifications

VMDS-10492 VSC7440 Datasheet Revision 4.2

401

6.5

Stress Ratings

Warning Stresses listed in the following table may be applied to devices one at a time without causing

permanent damage. Functionality at or exceeding the values listed is not implied. Exposure to these

values for extended periods may affect device reliability.

Warning This device can be damaged by electrostatic discharge (ESD) voltage. Microsemi

recommends that all integrated circuits be handled with appropriate precautions. Failure to observe

proper handling and installation procedures may adversely affect reliability of the device.

Power supply voltage for DDR3 interface

VDD_IODDR

1.425

1.5

1.575

Power supply voltage for DDR3L interface

VDD_IODDR

1.28

1.35

1.45

Power supply voltage for GPIO and miscellaneous I/O

VDD_IO

2.375

2.5

2.625

Operating temperature3

–40

125

°C

VDD_HS should be powered with the 1.2 V supply to meet 1000BASE-KX, 1000BASE-KR, 10G SFI, and DAC specifications.

VDD_VS should be powered with the 1.2 V supply to meet 1000BASE-KX, XAUI, 10GBASE-CX4, 10GBASE-KX4, and PCIe

specifications

Minimum specification is ambient temperature, and the maximum is junction temperature.

Table 323 •

Stress Ratings

Parameter

Symbol

Minimum

Maximum Unit

Power supply voltage for core supply

VDD

–0.3

1.10

Power supply voltage for analog circuits

VDD_A

–0.3

1.10

Power supply voltage for 10G interface

VDD_HS

–0.3

1.32

Power supply voltage for 1G and 6G interfaces

VDD_VS

–0.3

1.32

Power supply voltage for copper PHY analog circuits

VDD_AL

–0.3

1.10

Power supply voltage for copper PHY interface

VDD_AH

–0.3

2.75

Power supply voltage for DDR I/O buffers

VDD_IODDR

–0.3

1.98

Power supply voltage for GPIO and miscellaneous I/O

VDD_IO

–0.3

2.75

Storage temperature

–55

125

°C

Electrostatic discharge voltage, charged device model

VESD_CDM

–500

500

Electrostatic discharge voltage, human body model,

CLKOUTPLL2_N and CLKOUTPLL2_P pins

VESD_HBM

–1750

1750

Electrostatic discharge voltage, human body model, all pins

except the CLKOUTPLL2_N and CLKOUTPLL2_P pins

VESD_HBM

See note1

This device has completed all required testing as specified in the JEDEC standard JESD22-A114, Electrostatic Discharge

(ESD) Sensitivity Testing Human Body Model (HBM)

, and complies with a Class 2 rating. The definition of Class 2 is any

part that passes an ESD pulse of 2000 V, but fails an ESD pulse of 4000 V.

Table 322 •

Recommended Operating Conditions (continued)

Parameter

Symbol

Minimum Typical

Maximum Unit

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