MT70003

VLSI COMPONENTS FOR ARINC 429 DATA TRANSMISSION SYSTEMS

2

MAXIMUM RATINGS

(Above which the useful life may be impaired)

Storage Temperature

- 65ºC to +150ºC

Temperature (Ambient) under Bias

- 55ºC to +125ºC

Supply Voltage VDD

-0.3V to + 7V

DC Input Voltage

-0.3 to VDD +0.3V

Output Current (Single O/P)

10mA

Output Current (Total O/P)

20mA

ELECTRICAL CHARACTERISTICS over operating range

PARAMETER

DESCRIPTION

TEST CONDITIONS

MIN

TYP

MAX

UNITS

IOH

Output High Current

VOH=2.8V

VDD= 4.5V

1.0

mA

IOL

Output Low Current

VOL=0.4V

3.2

mA

VIH

Input High Voltage

2.4

VCC

Volts

VIL

Input Low Voltage

-0.3

0.8

Volts

IIL

Input Load Current

VSS

0.45

mA

IOZ

Output Leakage Current

0.4V

-40

40

uA

CI

Input Capacitance

Test Frequency = 1.0 MHZ

2

2.6

pF

CI/O

I/O Capacitance

7

9

pF

ICC

Supply Current

VCC = MAX. All inputs

1.5

mA

Switching Characteristics

Note

Unless otherwise stated output loading assumes 50 pF capacitive plus static

PARAMETER

DESCRIPTION

MIN

MAX

UNITS

tRI & tFI

tHI

tLO

tLO

tRO; tFO

Input rise and fall times

Clock

Clock

NOT RESET LO time

NOT RESET DATA READY LO time

Output rise and fall times

0.9

0.45

200

100

50

1.0

0.55

200

ns

us

us

ns

ns

ns

tAZ

tAZ

Output Tristates delays relative to changes on NOT TAG EN

or NOT DATA ENABLE.

Tristate OFF from NOT ENABLE

↑

Tristate ON from NOT ENABLE

↓ (includes worst case

output edge time).

300

500

ns

ns

tPLH

tLO

DATA READY from NOT RESET DATA READY

↓.

DATA READY

↑ from DATA READY ↓.

16 bit bus option; data access incomplete; NOT DATA

ENABLE LO; LO pulse on NOT RESET DATA READY

<

)

+0.05

2 -0.1

2 +0.2

2 +0.1

2 +0.2

us

us