AM79761 datasheet(12/20 Pages) AMD

12 / 20 page

Am79761

PRELIMINARY

ABSOLUTE MAXIMUM RATINGS

Storage Temperature . . . . . . . . . . . .-65

° C to +150° C

Ambient Temperature Under Bias . .-55

° C to +125° C

Power Supply Voltage (VDD) . . . . . . . -0.5 V to +4.0 V

DC Voltage (PECL Inputs) . . . . . .-0.5 V to VDD +0.5 V

DC Voltage (TTL Inputs). . . . . . . . . . . -0.5 V to +5.5 V

Output Current (TTL Outputs) . . . . . . . . . . . . -

±50 mA

Output Current (PECL Outputs) . . . . . . . . . . . -

±50 mA

Maximum Input ESD (Human Body Model) . . . 1500 V

Stresses above those listed under Absolute Maximum

Ratings may cause per manent device failure.

Functionality at or above these limits is not implied.

Exposure to absolute maximum ratings for extended

periods may affect device reliability.

OPERATING RANGES

Temperature (TA) 0° C to +70° C for 14 x 14 mm PQFP

. . . . . . . . . . . . . 0

° C to +50° C for 10 x 10 mm PQFP

Power Supply Voltage (DVDD) . . . . . . . . . +3.3 V ±5%

Operating ranges deﬁne those limits between which

functionality of the device is guaranteed.

DC CHARACTERISTICS (over recommended operating conditions)

Symbol

Parameter Description

Test Conditions

Min

Typ

Max

Unit

VIH

Input HIGH voltage (TTL)

2.0

—

5.5

VIL

Input LOW voltage (TTL)

—

0.8

IIH

Input HIGH current (TTL)

VIN =2.4 V

—

500

µA

IIL

Input LOW current (TTL)

VIN =0.5 V

—

-500

µA

VOH

Output HIGH voltage (TTL)

IOH = -1.0 mA

2.4

—

VOL

Output LOW voltage (TTL)

IOL = +1.0 mA

—

0.5

∆V

OUT75

TX Output differential peak-to-

peak voltage swing

Ω to V

DD – 2.0 V

1200

—

2200

mVp-p

∆V

OUT50

TX Output differential peak-to-

peak voltage swing

Ω to V

DD – 2.0 V

1200

—

2200

mVp-p

∆V

Receiver differential peak-to-

peak Input Sensitivity RX

Internally biased to VDD/2

400

—

3200

mVp-p

IDD

Supply Current

Outputs open,

VDD = VDD max

—

210

290

Power dissipation

Outputs open,

VDD = VDD max

—

700

1000

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