SN74LVC125A

QUADRUPLE BUS BUFFER GATE

WITH 3-STATE OUTPUTS

SCAS290F – JANUARY 1993 – REVISED JUNE 1998

3

POST OFFICE BOX 655303

recommended operating conditions (see Note 4)

MIN

MAX

UNIT

VCC

Supply voltage

Operating

1.65

3.6

V

VCC

Supply voltage

Data retention only

1.5

V

VCC = 1.65 V to 1.95 V

0.65

× VCC

VIH

High-level input voltage

VCC = 2.3 V to 2.7 V

1.7

V

VCC = 2.7 V to 3.6 V

2

VCC = 1.65 V to 1.95 V

0.35

× VCC

VIL

Low-level input voltage

VCC = 2.3 V to 2.7 V

0.7

V

VCC = 2.7 V to 3.6 V

0.8

VI

Input voltage

0

5.5

V

VO

Output voltage

0

VCC

V

VCC = 1.65 V

–4

IOH

High level output current

VCC = 2.3 V

–8

mA

IOH

High-level output current

VCC = 2.7 V

–12

mA

VCC = 3 V

–24

VCC = 1.65 V

4

IOL

Low level output current

VCC = 2.3 V

8

mA

IOL

Low-level output current

VCC = 2.7 V

12

mA

VCC = 3 V

24

∆t/∆v

Input transition rise or fall rate

0

8

ns/V

TA

Operating free-air temperature

–40

85

°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.

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP†

MAX

UNIT

IOH = –100 µA

1.65 V to 3.6 V

VCC–0.2

IOH = –4 mA

1.65 V

1.2

VOH

IOH = –8 mA

2.3 V

1.7

V

VOH

IOH =12 mA

2.7 V

2.2

V

IOH = –12 mA

3 V

2.4

IOH = –24 mA

3 V

2.2

IOL = 100 µA

1.65 V to 3.6 V

0.2

IOL = 4 mA

1.65 V

0.45

VOL

IOL = 8 mA

2.3 V

0.7

V

IOL = 12 mA

2.7 V

0.4

IOL = 24 mA

3 V

0.55

II

VI = 5.5 V or GND

3.6 V

±5

µA

ICC

VI = VCC or GND,

IO = 0

3.6 V

10

µA

∆ICC

One input at VCC – 0.6 V,

Other inputs at VCC or GND

2.7 V to 3.6 V

500

µA

Ci

VI = VCC or GND

3.3 V

5

pF

† All typical values are at VCC = 3.3 V, TA = 25°C.