SN74SSTL16857

14-BIT SSTL_2 REGISTERED BUFFER

SCAS625C – FEBRUARY 1999 – REVISED OCTOBER 1999

3

POST OFFICE BOX 655303

recommended operating conditions (see Note 4)

MIN

NOM

MAX

UNIT

VCC

Supply voltage

VDDQ

3.6

V

VDDQ

Output supply voltage

2.3

2.7

V

VREF

Reference voltage (VREF = VDDQ/2)

1.15

1.25

1.35

V

VTT

Termination voltage

VREF–40 mV VREF

VREF+40 mV

V

VI

Input voltage

0

VCC

V

VIH

AC high-level input voltage

Data inputs

VREF+350 mV

V

VIL

AC low-level input voltage

Data inputs

VREF–350 mV

V

VIH

DC high-level input voltage

Data inputs

VREF+180 mV

V

VIL

DC low-level input voltage

Data inputs

VREF–180 mV

V

VIH

High-level input voltage

RESET

2

V

VIL

Low-level input voltage

RESET

0.8

V

VICR

Common-mode input voltage range

CLK, CLK

0.97

1.53

V

VI(PP) Peak-to-peak input voltage

CLK, CLK

360

mV

IOH

High-level output current

–20

mA

IOL

Low-level output current

20

mA

TA

Operating free-air temperature

0

70

_C

NOTE 4: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,

Implications of Slow or Floating CMOS Inputs, literature number SCBA004.