Datasheet 74V1G126 Datasheet (ST)

74V1G126

SINGLE BUS BUFFER (3-STATE)

■ HIGH SPEED: t

■ LOW POWER DISSIPATION:

= 3.4ns (TYP.) at VCC=5V

PD

ICC=1µA(MAX.) at TA=25°C

■ HIGH NOISE IMMUNITY:

V

NIH=VNIL

■ POWER DOWNPROTECTION ON INPUTS

■ SYMMETRICAL OUTPUT IMPEDANCE:

= 28% VCC(MIN.)

|IOH|=IOL= 8mA (MIN) at VCC= 4.5V

■ BALANCED PROPAGATION DELAYS:

t

≅ t

PLH

PHL

■ OPERATING VOLTAGE RANGE:

VCC(OPR) = 2V to 5.5V

■ IMPROVED LATCH-UP IMMUNITY

DESCRIPTION

The 74V1G126 is an advancedhigh-speedCMOS
SINGLE BUS BUFFER fabricated withsub-micron
silicon gate and double-layer metal wiring C2MOS
technology.
3-STATE control input 1G has to be set LOW to
place the output into the high impedance state.

SOT323-5LSOT23-5L

ORDER CODES

PACKAGE T & R

SOT23-5L 74V1G126STR

SOT323-5L 74V1G126CTR

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
used to interface 5V to 3V.

PIN CONNECTION AND IEC LOGIC SYMBOLS

1/10July 2001

74V1G126

INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION

PIN No SYMBOL NAME AND FUNCTION

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

TRUTH TABLE

AGY

XLZ

LHL

HHH

X : Don’tCare
Z : High Impedance

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

V

V

V

I

I

OK

I

or I

I

CC

T

T

Absolute Maximum Ratings are thosevalues beyond which damage to thedevice 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

V

CC

Positive Supply Voltage

-0.5 to +7.0 V

-0.5 to +7.0 V

-20 mA

± 20 mA
± 25 mA
± 50 mA

-65 to +150 °C
260 °C

V

RECOMMENDED OPERATING CONDITIONS

Symbol Parameter Value Unit

V

V

V

T

dt/dv

1) VINfrom 30% to 70% of V

2/10

Supply Voltage

CC

Input Voltage

I

Output Voltage 0 to V

O

Operating Temperature

op

(V

CC

CC

= 3.3 ± 0.3V)

= 5.0 ± 0.5V)

Input Rise and Fall Time (note 1) (V

CC

2 to 5.5 V
0 to 5.5 V

CC

-55 to 125 °C
0 to 100

0to20

V

ns/V
ns/V

DC SPECIFICATIONS

Symbol Parameter

V

V

V

V

I

I

High Level Input

IH

Voltage

Low Level Input

IL

Voltage

High Level Output

OH

Voltage

Low Level Output

OL

Voltage

High Impedance

OZ

Output Leakage
Current

I

Input Leakage

I

Current
Quiescent Supply

CC

Current

Test Condition Value

V

(V)

CC

T

A

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

-40 to 85°C -55 to 125°C

=25°C

2.0 1.5 1.5 1.5

3.0 to

5.5

0.7V

CC

0.7V

CC

0.7V

CC

2.0 0.5 0.5 0.5

3.0 to

5.5

2.0

3.0

4.5

3.0

4.5

2.0

3.0

4.5

3.0

4.5

5.5

0to

5.5

5.5

IO=-50 µA

=-50 µA

I

O

I

=-50 µA

O

=-4mA

I

O

=-8mA

I

O

I

=50 µA

O

=50 µA

I

O

I

=50 µA

O

=4 mA

I

O

I

=8 mA

O

I=VIH

orV

IL

V

VO=VCCor GND

V

= 5.5V or GND

I

V

I=VCC

or GND

1.9 2.0 1.9 1.9

2.9 3.0 2.9 2.9

4.4 4.5 4.4 4.4

2.58 2.48 2.4

3.94 3.8 3.7

0.3V

CC

0.3V

CC

0.0 0.1 0.1 0.1

0.0 0.1 0.1 0.1

0.0 0.1 0.1 0.1

0.36 0.44 0.55

0.36 0.44 0.55

±0.25 ± 2.5 ± 5 µA

± 0.1 ± 1 ± 1 µA

11020µA

74V1G126

Unit

V

CC

V

V

V

0.3V

AC ELECTRICAL CHARACTERISTICS (Input tr=tf= 3ns)

Test Condition Value

Symbol Parameter

t

PLH

t

PHL

t
t

PHZ

t
t

PZH

(*) Voltage range is 3.3V ± 0.3V
(**) Voltage range is 5.0V ± 0.5V

Propagation Delay
Time

Output Disable

PLZ

Time

Output Enable

PZL

Time

3.3

3.3

5.0

5.0

3.3

3.3

5.0

5.0

3.3

3.3

5.0

5.0

C

V

CC

(V)

L

(pF)

(*)

15 4.7 7.5 1.0 8.5 1.0 9.5

(*)

50 5.2 8.0 1.0 9.5 1.0 10.5

(**)

15 3.4 5.5 1.0 6.5 1.0 7.5

(**)

50 3.7 6.5 1.0 7.5 1.0 8.5

(*)

15 4.4 8.0 1.0 9.0 1.0 10.0

(*)

50 4.8 11.5 1.0 12.5 1.0 13.5

(**)

15 3.0 5.0 1.0 6.0 1.0 7.0

(**)

50 3.2 7.0 1.0 8.0 1.0 9.0

(*)

15 4.8 7.6 1.0 9.5 1.0 10.5

(*)

50 5.3 8.5 1.0 10.0 1.0 11.0

(**)

15 3.6 5.9 1.0 7.0 1.0 8.0

(**)

50 3.9 6.5 1.0 7.5 1.0 8.5

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

T

A

=25°C

-40 to 85°C -55 to 125°C

Unit

ns

ns

ns

3/10

74V1G126

CAPACITIVE CHARACTERISTICS

Test Condition Value

T

Symbol Parameter

C

C

C

Input Capacitance

IN

Output

OUT

Capacitance
Power Dissipation

PD

Capacitance
(note 1)

1) CPDis defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I

TEST CIRCUIT

=25°C

A

-40 to 85°C -55 to 125°C

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

4101010pF

10 pF

10 pF

CC(opr)=CPDxVCCxfIN+ICC

Unit

TEST SWITCH

t

PLH,tPHL

t

PZL,tPLZ

t

PZH,tPHZ

CL=15/50pF or equivalent (includes jig and probe capacitance)
R1 = 1KΩ or equivalent
R

T=ZOUT

of pulse generator (typically 50Ω)

4/10

Open

V

CC

GND

WAVEFORM 1 : PROPAGATION DELAYS (f=1MHz; 50% duty cycle)

WAVEFORM 2: OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle)

74V1G126

5/10

74V1G126

SOT23-5L MECHANICAL DATA

mm. mils

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

A 0.90 1.45 35.4 57.1

A1 0.00 0.15 0.0 5.9

A2 0.90 1.30 35.4 51.2

b 0.35 0.50 13.7 19.7

C 0.09 0.20 3.5 7.8

D 2.80 3.00 110.2 118.1

E 2.60 3.00 102.3 118.1

E1 1.50 1.75 59.0 68.8

e 0.95 37.4

e1 1.9 74.8

L 0.35 0.55 13.7 21.6

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74V1G126

SOT323-5L MECHANICAL DATA

mm. mils

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

A 0.80 1.10 31.5 43.3

A1 0.00 0.10 0.0 3.9

A2 0.80 1.00 31.5 39.4

b 0.15 0.30 5.9 11.8

C 0.10 0.18 3.9 7.1

D 1.80 2.20 70.9 86.6

E 1.80 2.40 70.9 94.5

E1 1.15 1.35 45.3 53.1

e 0.65 25.6

e1 1.3 51.2

L 0.10 0.30 3.9 11.8

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74V1G126

Tape & Reel SOT23-xL MECHANICAL DATA

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

A 180 7.086
C 12.8 13.0 13.2 0.504 0.512 0.519
D 20.2 0.795
N 60 2.362

T 14.4 0.567
Ao 3.13 3.23 3.33 0.123 0.127 0.131
Bo 3.07 3.17 3.27 0.120 0.124 0.128
Ko 1.27 1.37 1.47 0.050 0.054 0.0.58
Po 3.9 4.0 4.1 0.153 0.157 0.161

P 3.9 4.0 4.1 0.153 0.157 0.161

mm. inch

8/10

Tape & Reel SOT323-xL MECHANICAL DATA

74V1G126

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

A 175 180 185 6.889 7.086 7.283

C 12.8 13 13.2 0.504 0.512 0.519

D 20.2 0.795

N 59.5 60 60.5 2.362

T 14.4 0.567
Ao 2.25 0.088
Bo 2.7 0.106
Ko 1.2 0.047
Po 3.98 4 4.2 0.156 0.157 0.165

P 3.98 4 4.2 0.156 0.157 0.165

mm. inch

9/10

74V1G126

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