SN74ALVCH16834

18-BIT UNIVERSAL BUS DRIVER

WITH 3-STATE OUTPUTS

SCES190 – FEBRUARY 1999

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

IOH = –6 mA

2.3 V

2

VOH

2.3 V

1.7

V

IOH = –12 mA

2.7 V

2.2

3 V

2.4

IOH = –24 mA

3 V

2

IOL = 100 µA

1.65 V to 3.6 V

0.2

IOL = 4 mA

1.65 V

0.45

VOL

IOL = 6 mA

2.3 V

0.4

V

VOL

IOL =12mA

2.3 V

0.7

V

IOL = 12 mA

2.7 V

0.4

IOL = 24 mA

3 V

0.55

II

VI = VCC or GND

3.6 V

±5

µA

VI = 0.58 V

1.65 V

25

VI = 1.07 V

1.65 V

–25

VI = 0.7 V

2.3 V

45

II(hold)

VI = 1.7 V

2.3 V

–45

µA

()

VI = 0.8 V

3 V

75

VI = 2 V

3 V

–75

VI = 0 to 3.6 V‡

3.6 V

±500

IOZ

VO = VCC or GND

3.6 V

±10

µA

ICC

VI = VCC or GND,

IO = 0

3.6 V

40

µA

∆ICC

One input at VCC – 0.6 V,

Other inputs at VCC or GND

3 V to 3.6 V

750

µA

Ci

Control inputs

VI =VCC or GND

33 V

pF

Ci

Data inputs

VI = VCC or GND

3.3 V

pF

Co

Outputs

VO = VCC or GND

3.3 V

pF

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

‡ This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to another.

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

noted) (see Figures 1 through 3)

VCC = 1.8 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

fclock

Clock frequency

MHz

t

Pulse duration

LE low

ns

tw

Pulse duration

CLK high or low

ns

Data before CLK

↑

tsu

Setup time

Data before LE

↑

CLK high

ns

Data before LE

↑

CLK low

Data after CLK

↑

th

Hold time

Data after LE

↑

CLK

high or low

ns