ST M54HC125 User Manual

查询M54HC125供应商

RAD-HARD QUAD BUS BUFFER (3-STATE)

■ HIGH SPEED:

t

= 8ns (TYP.) at VCC=6V

PD

■ LOW POWER DISSIPATION:

I

=4µA(MAX.) at TA=25°C

CC

■ HIGH NOISE IMMUNITY:

V

NIH=VNIL

■ SYMMETRICAL OUTPUT IMPEDANCE:

|I

|=IOL=6mA(MIN)

OH

■ BALANCED PROPAGATION DELAYS:

t

≅ t

PLH

■ WIDE OPERATING VOLTAGE RANGE:

V

(OPR) = 2V to 6V

CC

■ PIN AND FUNCTION COMPATIBLE WITH

54 SERIES 125

■ SPACE GRADE-1: ESA SCC QUALIFIED

■ 50 kradQUALIFIED, 100 krad AVAILABLE ON

REQUEST

■ NO SEL UNDER HIGH LET HEAVY IONS

IRRADIATION

■ DEVICE FULLY COMPLIANT WITH

SCC-9401-039

= 28% VCC(MIN.)

PHL

M54HC125

DILC-14 FPC-14

ORDER CODES

PACKAGE FM EM

DILC M54HC125D M54HC125D1

FPC M54HC125K M54HC125K1

The dev ice requires the 3-STATE control i nput G
to be set high to place the output into the high
impedance state.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.

DESCRIPTION

The M54HC125 is an high speed CMOS QUAD
BUFFER (3-STATE) fabricated with silicon gate

2

C

MOS technology.

PIN CONNECTION

1/9March 2004

M54HC125

IEC LOGIC SYMBOLS

INPUT AND O UTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION

PIN N° SYMBOL NAME AND FUNCTION

1, 4, 10, 13 1G

2, 5, 9, 12 1A TO 4A Data Inputs
3, 6, 8, 11 1Y TO 4Y Data Outputs

7 GND Ground (0V)

14

TO 4G Output Enable Input

V

CC

Positive Supply Voltage

TRUTH TABLE

AG

XHZ

LLL

HLH

Y

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

V

V

V

I

I

OK

I

or I

I

CC

P

T

T

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied

Supply Voltage

CC

DC Input Voltage -0.5 to VCC+0.5

I

DC Output Voltage -0.5 to VCC+0.5

O

DC Input Diode Current

IK

DC Output Diode Current
DC Output Current

O

DC VCCor Ground Current

GND

Power Dissipation

D

Storage Temperature

stg

Lead Temperature (10 sec)

L

-0.5 to +7 V
V
V

± 20 mA
± 20 mA
± 35 mA
± 70 mA

420 mW

-65 to +150 °C
265 °C

2/9

M54HC125

RECOMMENDED OPERATING CONDITIONS

Symbol Parameter Value Unit

V

V
V
T

t

r,tf

DC SPECIFICATIONS

Symbol Parameter

V

IH

V

IL

V

OH

V

OL

I

I

I

OZ

I

CC

Supply Voltage

CC

Input Voltage 0 to V

I

Output Voltage 0 to V

O

Operating Temperature

op

Input Rise and Fall Time VCC=2.0V

=4.5V

V

CC

V

=6.0V

CC

Test Condition Value

= 25°C

T

A

Min. Typ. Max. Min. Max. Min. Max.

High Level Input

V

CC

(V)

2.0 1.5 1.5 1.5

Voltage

6.0 4.2 4.2 4.2

Low Level Input

2.0 0.5 0.5 0.5

Voltage

6.0 1.8 1.8 1.8

High Level Output
Voltage

Low Level Output
Voltage

Input Leakage
Current

High Impedance
Output Leakage
Current

Quiescent Supply
Current

2.0

4.5

6.0

4.5

6.0

2.0

4.5

6.0

4.5

6.0

6.0

6.0

6.0

IO=-20 µA

=-20 µA

I

O

I

=-20 µA

O

I

=-6.0 mA

O

=-7.8 mA

I

O

IO=20 µA
I

=20 µA

O

=20 µA

I

O

=6.0 mA

I

O

=7.8 mA

I

O

I=VIH

or GND

or V

IL

V

I=VCC

V

VO=VCCor GND

V

I=VCC

or GND

1.9 2.0 1.9 1.9

4.4 4.5 4.4 4.4

5.9 6.0 5.9 5.9

4.18 4.31 4.13 4.10

5.68 5.8 5.63 5.60

0.0 0.1 0.1 0.1

0.0 0.1 0.1 0.1

0.0 0.1 0.1 0.1

0.17 0.26 0.33 0.40

0.18 0.26 0.33 0.40

± 0.1 ± 1 ± 1 µA

± 0.5 ± 5 ± 10 µA

44080µA

2to6 V

CC
CC

-55 to 125 °C
0 to 1000 ns

0 to 500 ns
0 to 400 ns

-40 to 85°C -55 to 125°C

V
V

Unit

V4.5 3.15 3.15 3.15

V4.5 1.35 1.35 1.35

V

V

3/9