18-BIT UNIVERSAL BUS DRIVER

HG74ALVC16835C

WITH 3-STATE OUTPUTS

Jan 1999

Copyright ©1999, Hyundai Electronics Industries Co., Ltd.

ELECTRONICS

4

Timing Requirements Over Recommended Operating Free-air Temperature Range(see figure1~10 )

Vcc=2.5V

±0.2V

Vcc=2.7V

Vcc=3.3V

±0.3V

Symbol

Parameter

Condition

Min

Max

Min

Max

Min

Max

Unit

f

clock

Clock

frequency

150

150

150

MHz

LE high

3.3

3.3

3.3

ns

t

W

Pulse

Duration

CLK high or low

3.3

3.3

3.3

ns

Data before CLK

↑

0.9

0.9

0.7

ns

CLK high

1.9

1.6

1.5

ns

t

su

Setup time

Data before LE

↓

CLK low

1.3

1.1

1

ns

Data after CLK

↑

1.0

1.0

1.1

ns

t

h

Hold time

Data after LE

↓

CLK high

or low

1.4

1.7

1.4

ns

Switching Characteristics Over Recommended Operating Free-air Temperature Range

± 0.2V

±0.3V

Parameter

Input

(From)

Output

(to)

Min

Max

Min

Max

Min

Max

Unit

f

max

150

150

150

MHz

A

1

4.2

4.2

1

3.6

ns

LE

1.3

5

4.9

1.3

4.2

ns

t

pd

CLK

Y

1.4

5.5

5.2

1.4

4.5

ns

t

en

Y

1.4

5.5

5.6

1.1

4.6

ns

I

dis

Y

1

4.5

4.3

1.3

3.9

ns

Switching Characteristics From 0

°C to 65°C, C

V

Parameter

Input

(From)

Output

(To)

Min

Max

Unit

t

pd

CLK

Y

1.7

4.5

ns

Parameter Measurement (V

Test

S1

Open

GND

Figure 1.

Load Circuit

OE

OE

From Output

Under Test

C

( see Note)

500

Ω

500

Ω

S1

2 x Vcc

Open

GND