SN74LVC543A

OCTAL REGISTERED TRANSCEIVER

WITH 3-STATE OUTPUTS

SCAS299F – JANUARY 1993 – REVISED JUNE 1998

5

POST OFFICE BOX 655303

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

Control inputs

VI = 0 to 5.5 V

3.6 V

±5

µA

Ioff

VI or VO = 5.5 V

0

±10

µA

IOZ‡

VO = 0 to 5.5 V

3.6 V

±10

µA

ICC

VI = VCC or GND

IO =0

36 V

10

µA

ICC

3.6 V

≤ VI ≤ 5.5 V§

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

Control inputs

VI = VCC or GND

3.3 V

4.5

pF

Cio

A or B ports

VO = VCC or GND

3.3 V

7.5

pF

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

‡ For I/O ports, the parameter IOZ includes the input leakage current.

§ This applies in the disabled state only.

timing requirements over recommended operating free-air temperature range (unless otherwise

noted) (see Figures 1 through 3)

VCC = 1.8 V

± 0.15 V

VCC = 2.5 V

± 0.2 V

VCC = 2.7 V

VCC = 3.3 V

± 0.3 V

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

tw

Pulse duration

¶

¶

3.3

3.3

ns

tsu

Setup time, data before LE

↑ or CE↑

¶

¶

1.6

1.6

ns

th

Hold time, data after LE

↑ or CE↑

¶

¶

2.1

2.1

ns

¶ This information was not available at the time of publication.