ST 74V1T125 User Manual

74V1T125

SINGLE BUS BUFFER (3-STATE)

■ HIGH SPEED: t

■ LOW POWER DISSIPATION:

I

=1µA(MAX.) at TA=25°C

CC

■ COMPATIBLE WITHTTL OUTPUTS:

V

=2V(MIN),VIL=0.8V(MAX)

IH

■ POWER DOWN PROTECTION ON INPUTS

■ SYMMETRICAL OUTPUTIMPEDANCE:

|I

|=IOL=8mA(MIN)atVCC=4.5V

OH

■ BALANCED PROPAGATION DELAYS:

t

≅ t

PLH

PHL

■ OPERATING VOLTAGE RANGE:

V

(OPR) = 4.5V to 5.5V

CC

= 3.5ns (TYP.) at VCC=5V

PD

DESCRIPTION

The 74V1T125 is an advanced high-speed CM OS
SINGLE BUS BUFFER fabricatedwith sub-micron
silicon gate and double-layer me tal wiring C

2

MOS
technology.
3-STATE control input G

has to be set HIGH t o

place the out put into the high impedance state.

SOT323-5LSOT23-5L

ORDER CODES

PACKAGE T & R

SOT23-5L 74V1T125STR

SOT323-5L 74V1T125CTR

Power down protection is provided on all inputs
and 0 to 7V can be accepted on inputs with no
regard to the supply voltage. This device can be
usedto interface 5V to 3V.

PIN CONNECTION AND IEC LOGIC SYMBOLS

1/10April 2004

74V1T125

INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION

PIN N° SYMBOL NAME AND FUNCTION

11G
2 1A Data Input
4 1Y Data Output
3 GND Ground (0V)
5

TRUTH TABLE

V

CC

Output Enable Input

Positive Supply Voltage

AG

Y

XHZ

LLL

HLH

X : Don’t Care
Z : High Impedance

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

V

V

V

I

I

OK

I

I

or I

CC

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

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

Storage Temperature

stg

Lead Temperature (10 sec)

L

-0.5 to +7.0 V

-0.5 to +7.0 V
V

-20 mA

± 20 mA
± 25 mA
± 50 mA

-65 to +150 °C

300 °C

RECOMMENDED OPERATING CONDITIONS

Symbol Parameter Value Unit

V

V
V
T

dt/dv

1) VINfrom0.8V to 2V

Supply Voltage

CC

Input Voltage

I

Output Voltage 0 to V

O

Operating Temperature

op

Input Rise and Fall Time (note 1) (V

=5.0± 0.5V)

CC

4.5 to 5.5 V
0to5.5 V

CC

-55 to 125 °C
0 to 20 ns/V

2/10

V

DC SPECIFICATIONS

Symbol Parameter

V

V

V

+I

High Level Input

IH

Voltage

V

Low Level Input

IL

Voltage
High Level Output

OH

Voltage
Low Level Output

OL

Voltage

I

High Impedance

OZ

Output Leakage
Current

Input Leakage

I

I

Current

I

Quiescent Supply

CC

Current
Additional Worst

CC

Case Supply
Current

Test Condition Value

T

= 25°C

V

CC

(V)

4.5to

A

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

222V

5.5

4.5to

5.5

4.5

4.5

4.5

4.5

5.5

0to

5.5

5.5

IO=-50 µA 4.4 4.5 4.4 4.4 V

=-8 mA 3.94 3.8 3.7

I

O

IO=50 µA 0.0 0.1 0.1 0.1 V

I

=8 mA 0.36 0.44 0.55

O

I=VIH

or V

IL

V

VO=VCCor GND

V

=5.5VorGND

I

V

I=VCC

or GND

One Input at 3.4V,
other input at V

5.5

CC

or GND

74V1T125

-40 to 85°C -55 to 125°C

0.8 0.8 0.8 V

±0.25 ± 2.5 ± 5.0 µA

± 0.1 ± 1.0 ± 1.0 µA

11020µA

1.35 1.5 1.5 mA

Unit

AC ELECTRICAL CHARACTERISTICS (Input t

Test Condition Value

Symbol Parameter

t
t

t
t

t
t

(*) Voltage range is 5.0V± 0.5V

Propagation Delay

PLH

Time

PHL

Output Disable

PLZ

Time

PHZ

Output Enable

PZL

Time

PZH

V

(V)

5.0

5.0

5.0

5.0

5.0

5.0

C

CC

L

(pF)

(*)

15 3.5 6.0 1.0 7.0 1.0 8.0

(*)

50 3.8 6.5 1.0 7.5 1.0 8.5

(*)

15 3.9 5.0 1.0 6.0 1.0 7.0

(*)

50 4.3 7.0 1.0 8.0 1.0 9.0

(*)

15 4.3 7.0 1.0 8.0 1.0 9.0

(*)

50 4.7 7.5 1.0 8.5 1.0 9.5

=3ns)

r=tf

= 25°C

T

A

-40 to 85°C -55 to 125°C

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

Unit

ns

ns

ns

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