SGS Thomson Microelectronics 74LVQ14TTR Datasheet

1/8July 2001

■ HIGH SPEED:

t

PD

= 6 ns (TYP.) at VCC = 3.3 V

■ HYSTERESIS INPU T VOLTAGE:

V

H

= 650mV (TYP.) at VCC = 3.0 V

■ COMPA TIBLE WITH TTL OUTPUTS

■ LOW POWER DISSIPATION:

I

CC

= 2µA(MAX.) at TA=25°C

■ LOW NOISE:

V

OLP

= 0.3V (TYP.) at VCC = 3.3V

■ 75Ω TRANSMISSION LINE DRIVING

CAPABILITY

■ SYMMETRICAL OUTPUT IMPEDANCE:

|I

OH

| = IOL = 12mA (MIN) at VCC = 3.0 V

■ PCI BUS LEVELS GUARANTEED AT 24 mA

■ BALANCED PROPAGATION DELAYS:

t

PLH

≅ t

PHL

■ OPERATING VOLTAGE RANGE:

V

CC

(OPR) = 2V to 3.6V

■ PIN AND FUNCTION COMPATIBLE WITH

74 SERIES 14

■ IMPROVED LATCH-U P IMMUNITY

DESCRIPTION

The 74LVQ14 is a low voltage CMOS HEX
SCHMITT INVERTER fabri cated with sub-micron
silicon gate and double-layer metal wiring C2MOS
technology. It is ideal for low power and low noise

3.3V applications.
The internal circuit is composed of 3 stages

including buffer output , which enables high noise
immunity and stable output.

Pin configuration and function are the same as
those of the 74LVQ04 but the 74LVQ14 has
hysteresis between the positive and negative
input threshold typically of 650mV.

This together with its schmitt trigger function
allows it to be used on line receivers with slow
rise/fall input signals.

All inputs and outputs are equipped with
protection circuits against stat ic discharge, giving
them 2KV ESD immunity and transient excess
voltage.

74LVQ14

LOW VOLTAGE CMOS HEX SCHMITT INVERTER

PIN CONNECTION AND IEC LOGIC SYMBOLS

ORDER CODES

PACKAGE TUBE T & R

SOP 74LVQ14M 74LVQ14MTR

TSSOP 74LVQ14TTR

TSSOPSOP

74LVQ14

2/8

INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION

TRUTH TABLE

ABSOLUTE MAXIMUM RATINGS

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

RECOMMENDED OPERATING CONDITIONS

1) Truth T abl e guarante ed: 1.2V to 3.6 V

PIN No SYMBOL NAME AND FUNCTION

1, 3, 5, 9, 1 1,

13

1A to 6A Data Inputs

2, 4, 6, 8, 10,

12

1Y to 6Y Data Outputs

7 GND Ground (0V)

14

V

CC

Positive Supply Voltage

AY

LH

HL

Symbol Parameter Value Unit

V

CC

Supply Voltage

-0.5 to +7 V

V

I

DC Input Voltage -0.5 to VCC + 0.5

V

V

O

DC Output Voltage -0.5 to VCC + 0.5

V

I

IK

DC Input Diode Current

± 20 mA

I

OK

DC Output Diode Current

± 20 mA

I

O

DC Output Current

± 50 mA

I

CC

or I

GND

DC VCC or Ground Current

± 300 mA

T

stg

Storage Temperature

-65 to +150 °C

T

L

Lead Temperature (10 sec)

300 °C

Symbol Parameter Value Unit

V

CC

Supply Voltage (note 1)

2 to 3.6 V

V

I

Input Voltage 0 to V

CC

V

V

O

Output Voltage 0 to V

CC

V

T

op

Operating Temperature

-55 to 125 °C

74LVQ14

3/8

DC SPECIFICATIONS

1) Maxim um test duration 2ms, one out put loaded at time

2) Incid ent wave sw i tc hi ng is guara nt eed on transmi ssion lines with impedances a s low as 75Ω

DYNAMIC SWITCHING CHARACTERISTICS

1) Worst c ase package .

2) Max number of outp ut s defined as (n). Data inputs are driven 0V to 3.3V, (n-1) outputs switching and one output at GND.

3) Max number of data inputs (n) switching. (n-1) switching 0V to 3.3V. Inputs under test switching: 3.3V to threshold (V

ILD

), 0V to threshold

(V

IHD

), f=1MHz.

Symbol Parameter

Test Condition Value

Unit

V

CC

(V)

T

A

= 25°C

-40 to 85°C -55 to 125°C

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

V

t+

Positive Input
Threshold

3.0 2.2 2.2 2.2 V

V

t-

Negative Input
Threshold

3.0 0.5 0.5 0.5 V

V

H

Hysteresis Voltage

3.0 0.3 1.2 0.3 1.2 0.3 1.2 V

V

OH

High Level Output
Voltage

3.0

IO=-50 µA

2.9 2.99 2.9 2.9
V

I

O

=-12 mA

2.58 2.48 2.48

I

O

=-24 mA

2.2 2.2

V

OL

Low Level Output
Voltage

3.0

IO=50 µA

0.002 0.1 0.1 0.1
V

I

O

=12 mA

0 0.36 0.44 0.44

I

O

=24 mA

0.55 0.55

I

I

Input Leakage
Current

3.6

V

I

= VCC or GND

± 0.1 ± 1 ± 1 µA

I

CC

Quiescent Supply
Current

3.6

V

I

= VCC or GND

22020µA

I

OLD

Dynamic Output
Current (note 1, 2)

3.6

V

OLD

= 0.8 V max

36 25 mA

I

OHD

V

OHD

= 2 V min

-25 -25 mA

Symbol Parameter

Test Condition Value

Unit

V

CC

(V)

T

A

= 25°C

-40 to 85°C -55 to 125°C

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

V

OLP

Dynamic Low
Voltage Quiet
Output (note 1, 2)

3.3

C

L

= 50 pF

0.3 0.8
V

V

OLV

-0.8 -0.3

V

IHD

Dynamic High
Voltage Input
(note 1, 3)

3.3 2 V

V

ILD

Dynamic Low
Voltage Input
(note 1, 3)

3.3 0.8 V