AM79C874VC datasheet(41/60 Pages) AMD

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Am79C874

P R E L I M INARY

ABSOLUTE MAXIMUM RATINGS

Storage Temperature . . . . . . . . . . . . .-55°C to +150°C

Ambient Temperature Under Bias . . . -55

C to +150C

Supply Voltage . . . . . . . . . . . . . . . . . . -0.5 V to +5.5 V

Voltage Applied to any input pin . . . . . . . -0.5 V to VDD

Stresses above those listed under Absolute Maximum

Ratings may cause permanent device failure. Function-

ality at or above these limits is not implied. Exposure to

absolute maximum ratings for extended periods may

affect device reliability.

OPERATING RANGES

Commercial (C):

Operating Temperature (TA) . . . . . . . . . 0°C to +70°C

Supply Voltage (All VDD) . . . . . . . . . . . . . . +3.3 V ±5%

Supply Voltage (5-V tolerant pins). . . . . . . +5.0 V ±5%

Industrial (I):

Operating Temperature (TA) . . . . . . . . -40°C to +85°C

Supply Voltage (All VDD) . . . . . . . . . . . . . . +3.3 V ±5%

Supply Voltage (5-V tolerant pins). . . . . . . +5.0 V ±5%

Operating ranges define those limits between which

functionality of the device is guaranteed.

DC CHARACTERISTICS

Note: Parametric values are the same for Commercial and Industrial devices.

Symbol

Parameter Description

Test Conditions

Minimum

Maximum

Units

VIL

Input LOW Voltage

0.8

VIH

Input HIGH Voltage

2.0

VOL

Output LOW Voltage

IOL = 8 mA

0.4

VOH

Output HIGH Voltage

IOH = -4 mA

2.4

VOLL

Output LOW Voltage (LED)

IOL (LED) = 10 mA

0.4

VOHL

Output HIGH Voltage (LED)

IOL (LED) = -10 mA

VDD –0.4

VCMP

Input Common-Mode Voltage

PECL (Note 1)

VDD – 1.5

VDD – 0.7

VIDIFFP

Differential Input Voltage

PECL (Note 1)

VDD = Maximum

400

1,100

VOHP

Output HIGH Voltage PECL

(Note 4)

PECL Load

VDD – 1.025

VDD – 0.60

VOLP

Output LOW Voltage PECL

(Note 4)

PECL Load

VDD – 1.81

VDD – 1.62

VSDA

Signal Detect Assertion

Threshold P/P (Note 2)

MLT-3/10BASE-T Test Load

1000

VSDD

Signal Detect Deassertion

Threshold P/P (Note 3)

MLT-3/10BASE-T Test Load

200

IIL

Input LOW Current (Note 12)

VDD = Maximum

VIN = 0.0 V

-40

IIH

Input HIGH Current (Note 12)

VDD = Maximum

VIN = 2.7 V

VTXOUT

Differential Output Voltage

(Note 5)

MLT-3/10BASE-T Test Load

950

1050

VTXOS

Differential Output Overshoot

(Note 5)

MLT-3/10BASE-T Test Load

0.05 * VTXOUT

VTXR

Differential Output Voltage

Ratio (Note5 & Note 6)

MLT-3/10BASE-T Test Load

0.98

1.02

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AM79C874VC 数据表(PDF) 41 Page - Advanced Micro Devices

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