9

DS280DF810

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SNLS538A – SEPTEMBER 2016 – REVISED OCTOBER 2019

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Copyright © 2016–2019, Texas Instruments Incorporated

Electrical Characteristics (continued)

Over operating free-air temperature range (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

(1)

From low assertion of READ_EN_N to low assertion of ALL_DONE_N. Does not include Power-On Reset time.

(2)

To ensure optimal performance, it is recommended to not enable more than two PRBS blocks (checker or generator) per channel quad.

EEPROM configuration load time

Single device reading its

configuration from an EEPROM.

Common channel configuration. This

time scales with the number of

devices reading from the same

EEPROM.

ms

EEPROM configuration load time

Single device reading its

configuration from an EEPROM.

Unique channel configuration. This

time scales with the number of

devices reading from the same

EEPROM.

ms

Power-on reset assertion time

Internal power-on reset (PoR)

stretch between stable power supply

and de-assertion of internal PoR.

The SMBus address is latched on

the completion of the PoR stretch,

and SMBus accesses are permitted.

50

ms

POWER SUPPLY

Power consumption per active

channel

With CTLE, full DFE, Tx FIR,

Driver, and Cross-point enabled. Idle

power consumption is not included.

241

305

mW

With CTLE, full DFE, Tx FIR, and

Driver enabled; Cross-point

disabled. Idle power consumption is

not included.

233

mW

With CTLE, partial DFE (taps 1-2

only), Tx FIR, and Driver enabled;

Cross-point and DFE taps 3-5

disabled. Idle power consumption is

not included.

220

mW

With CTLE, Tx FIR, Driver, and

Cross-point enabled; DFE disabled.

Idle power consumption is not

included.

211

290

mW

Assuming CDR acquiring lock with

CTLE, full DFE, Tx FIR, Driver, and

Cross-point enabled. Idle power

consumption is not included.

365

430

mW

Assuming CDR acquiring lock with

CTLE, Tx FIR, Driver, and Cross-

point enabled; DFE disabled. Idle

power consumption is not included.

318

393

mW

PRBS checker power consumption

220

302

mW

PRBS generator power power

230

315

mW

Total idle power consumption

Idle or static mode, power supplied,

no high-speed data present at

inputs, all channels automatically

powered down.

658

1050

mW