AM3871 datasheet(165/345 Pages) TI1

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AM3874, AM3872, AM3871

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SPRS695

– SEPTEMBER 2011

Recommended Operating Conditions (continued)

PARAMETER

MIN

NOM

MAX

UNIT

High-level input voltage, LVCMOS (JTAG[TCK] pins), 3.3 V(1)

High-level input voltage, JTAG[TCK]

2.15

VIH

High-level input voltage, I2C (I2C[0] and I2C[1])

0.7DVDD

High-level input voltage, LVCMOS(1), 1.8 V

0.65DVDDx

Low-level input voltage, LVCMOS(1), 3.3 V

0.8

Low-level input voltage, JTAG[TCK]

0.55

VIL

Low-level input voltage, I2C (I2C[0] and I2C[1])

0.3DVDDx

Low-level input voltage, LVCMOS(1), 1.8 V

0.35DVDDx

High-level output current

6 mA I/O buffers

-6

IOH

DDR[0], DDR[1] buffers @

-8

50-

Ω impedance setting

Low-level output current

6 mA I/O buffers

IOL

DDR[0], DDR[1] buffers @

50-

Ω impedance setting

VID

Differential input voltage (SERDES_CLKN/P), [AC coupled]

0.250

2.0

Transition time, 10% - 90%, All inputs (unless otherwise

specified in the Electrical Data/Timing sections of each

0.25P or 10(3)

peripheral)

Commercial Temperature

°C

(default)

Operating junction

temperature range(4)

Industrial

-40

°C

Extended

-40

105

°C

(3)

Whichever is smaller. P = the period of the applied signal. Maintaining transition times as fast as possible is recommended to improve

noise immunity on input signals.

(4)

For more detailed information on estimating junction temps within systems, see the IC Package Thermal Metrics Application Report

(Literature Number: SPRA953).

Device Operating Conditions

165

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