AM79C940 datasheet(89/122 Pages) AMD

89 / 122 page

AMD

Am79C940

ABSOLUTE MAXIMUM RATINGS

Storage Temperature

–65

°C to +150°C

. . . . . . . . . . .

Ambient Temperature

Under Bias

°C to +70°C

. . . . . . . . . . . . . . . . . . . . . .

Supply Voltage to AVSS

or DVss (AVDD, DVDD)

–0.3 V to +6.0 V

. . . . . . . . . . .

Stresses above those listed under Absolute Maximum Rat-

ings may cause permanent device failure. Functionality at or

above these limits is not implied. Exposure to Absolute Maxi-

mum Ratings for extended periods may affect device reliabil-

ity. Programming conditions may differ.

OPERATING RANGES

Commercial (C) Devices

Temperature (TA)0

°C to +70°C

. . . . . . . . . . . . . .

Supply Voltages

(AVDD, DVDD)5 V

±5%

. . . . . . . . . . . . . . . . . . . . .

All inputs within the range:

AVDD + 0.5 V

≤ Vin ≤

. .

AVSS – 0.5 V, or

. . . . . . . . . . . . . . . . . . . . . . . . . .

DVDD = 0.5 V

≤ Vin ≤

. . . . . . . . . . . . . . . . . . . . . .

DVSS – 0.5 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating ranges define those limits between which the func-

tionality of the device is guaranteed.

DC CHARACTERISTICS over COMMERCIAL operating ranges unless otherwise

specified

Parameter

Symbol

Parameter Description

Test Conditions

Min

Max

Unit

VIL

Input LOW Voltage

0.8

VIH

Input HIGH Voltage

2.0

VILX

XTAL1 Input LOW Voltage

VSS = 0.0 V

–0.5

0.8

(External Clock Signal)

VIHX

XTAL1 Input HIGH Voltage

VSS = 0.0 V

VDD –VDD +V

(External Clock Signal)

0.8

0.5

VOL

Output LOW Voltage

IOL = 3.2 mA

0.45

VOH

Output HIGH Voltage

IOH = –0.4 mA (Note 1)

2.4

IIL1

Input Leakage Current

VDD = 5 V, VIN = 0 V

–10

µA

(Note 2)

IIL2

Input Leakage Current

VDD = 5 V, VIN = 0 V

–200

200

µA

(Note 2)

IIH

Input Leakage Current

VDD = 5 V, VIN = 2.7 V

–100

µA

(Note 3)

IIAXD

Input Current at DI+

–1 V < VIN < AVDD + 0.5 V

–500

+500

µA

and DI–

IIAXC

Input current at

–1 V < VIN < AVDD + 0.5 V

–500

+500

µA

CI+ and CI–

IILXN

XTAL1 Input LOW Current

VIN = 0 V

during normal operation

SLEEP = HIGH

–92

µA

IIHXN

XTAL1 Input HIGH Current

VIN = 5.5 V

during normal operation

SLEEP = HIGH

µA

IILXS

XTAL1 Input LOW Current

VIN = 0 V

during Sleep

SLEEP = LOW

<10

µA

IIHXS

XTAL1 Input HIGH Current

VIN = 5.5 V

during Sleep

SLEEP = LOW

410

µA

IOZ

Output Leakage Current

0.4 V < VOUT < VDD

–10

µA

(Note 4)

VAOD

Differential Output Voltage

RL = 78

Ω

630

1200

|(DO+)–(DO–)|

VAODOFF

Transmit Differential Output

RL = 78

Ω (Note 5)

–40

+40

Idle Voltage

IAODOFF

Transmit Differential

RL = 78

Ω

–1

Output Idle Current

AM79C940 Datasheet(PDF) 89 Page - Advanced Micro Devices

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