Datasheet 74LCX14MTR, 74LCX14M, 74LCX14TTR Datasheet (SGS Thomson Microelectronics)

74LCX14

LOW VOLTAGE CMOS HEX SCHMITT INVERTER

WITH 5V TOLERANT INPUTS

■ 5V TOLERANT INPUTS

■ HIGH SPEED :

t

= 5.0ns (MAX.) at VCC = 3V

PD

■ POWER DOWN PROTECTION ON INPUT S

AND OUTPUTS

■ SYMMETRICAL OUTPUT IMPEDANCE:

| = IOL = 24mA (MIN) at VCC = 3V

|I

OH

■ PCI BUS LEVELS GUARANT EED AT 2 4 mA

■ BALANCED PROPAGATION DELAYS:

t

≅ t

PLH

■ OPERATING VOLTAGE RANGE:

V

CC

PHL

(OPR) = 2.0V to 3.6V (1.5V Data

Retention)

■ PIN AND FUNCTION COMPATIBLE WITH

74 SERIES 14

■ LATCH-UP PERFORMANCE EXCEEDS

500mA (JESD 17)

■ ESD PERFORMANCE:

HBM > 2000V (MIL STD 883 method 3015);
MM > 200V

DESCRIPTION

The 74LCX14 is a low voltage CMOS HEX
SCHMITT INVERTER fabri cated with sub-micron
silicon gate and double-layer metal wiring C

2

MOS
technology. It is ideal for low power and high
speed 3.3V applications. It can be interfaced to 5V
signal environment for inputs

TSSOPSOP

ORDER CODES

PACKAGE TUBE T & R

SOP 74LCX14M 74LCX14MTR

TSSOP 74LCX14TTR

It has same speed performance at 3. 3V than 5V
AC/ACT family, combined with a lower power
consumption.
Pin configuration and function are the same as
those of the 74LCX04 but the 74LCX14 has
hysteresis between the positive and negative
input threshold typically of 0.8V.
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.

PIN CONNECTION AND IEC LOGIC SYMBOLS

1/8September 2001

74LCX14

INPUT AND OUTPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION TRUTH TABLE

PIN No SYMBOL NAME AND FUNCTION

1, 3, 5, 9 ,1 1,

13

2, 4, 6, 8, 10,

12

1A to 6A Data Inputs

1Y to 6Y Data Outputs

AY

LH

HL

7 GND Ground (0V)

14

V

CC

Positive Supply Voltage

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

V

V
V
V

I

I

OK

I

I

CC

I

GND

T

T

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

1) I

absolute ma xim um rating mu st be observed

O

2) V

< GND

O

Supply Voltage

CC

DC Input Voltage

I

DC Output Voltage (VCC = 0V)

O

DC Output Voltage (High or Low State) (note 1) -0.5 to VCC + 0.5

O

DC Input Diode Current

IK

DC Output Diode Current (note 2)
DC Output Current

O

DC Supply Current per Supply Pin
DC Ground Current per Supply Pin
Storage Temperature

stg

Lead Temperature (10 sec)

L

-0.5 to +7.0 V

-0.5 to +7.0 V

-0.5 to +7.0 V
V

- 50 mA

- 50 mA

± 50 mA
± 100 mA
± 100 mA

-65 to +150 °C
300 °C

2/8

74LCX14

RECOMMENDED OPERATING CONDITIONS

Symbol Parameter Value Unit

V

V
V
V

I

OH

I

OH

T

1) Truth T abl e guaranteed: 1.5V to 3.6V

DC SPECIFICATIONS

Supply Voltage (note 1)

CC

Input Voltage

I

Output Voltage (VCC = 0V)

O

Output Voltage (High or Low State) 0 to V

O

, I

High or Low Level Output Current (VCC = 3.0 to 3.6V)

OL

, I

High or Low Level Output Current (VCC = 2.7V)

OL

Operating Temperature

op

Test Condition Value

2.0 to 3.6 V
0 to 5.5 V
0 to 5.5 V

CC

± 24 mA
± 12 mA

-55 to 125 °C

V

Symbol Parameter

V

V

V

V

V

I

I

CC

∆I

T+

T-

H

OH

OL

I

I

off

CC

Positive Input
threshold

Negative Input
threshold

Hysteresis Voltage
High Level Output

Voltage

Low Level Output
Voltage

Input Leakage
Current

Power Off Leakage
Current

Quiescent Supply
Current

ICC incr. per Input

V

CC

(V)

-40 to 85 °C -55 to 125 °C

Min. Max. Min. Max.

3.0 1.2 2.2 1.2 2.2 V

3.0 0.6 1.5 0.6 1.5 V

3.0 0.4 1.2 0.4 1.2 V

2.7 to 3.6

2.7

3.0

2.7 to 3.6

2.7

3.0

2.7 to 3.6

0

2.7 to 3.6

2.7 to 3.6

IO=-100 µAVCC-0.2 VCC-0.2

I

=-12 mA

O

I

=-18 mA

O

I

=-24 mA

O

IO=100 µA

I

=12 mA

O

I

=16 mA

O

I

=24 mA

O

= 0 to 5.5V

V

I

or VO = 5.5V

V

I

VI = VCC or GND

V

or VO= 3.6 to 5.5V

I

VIH = VCC - 0.6V

2.2 2.2

2.4 2.4

2.2 2.2

0.2 0.2

0.4 0.4

0.4 0.4

0.55 0.55
± 5 ± 5 µA

10 10 µA
10 10

± 10 ± 10

500 500 µA

Unit

V

V

µA

DYNAMIC SWITCHING CHARACTERISTICS

Test Condition Value

T

Symbol Parameter

V

OLP

V

OLV

1) Number of outputs d ef i ned as "n". Me asured with "n-1" output s switching from HIGH to LO W or LOW to HIGH. The remaini ng outpu t is
measur ed i n the LOW state.

Dynamic Low Level Quiet
Output (note 1)

V

3.3

CC

(V)

= 50pF

C

L

V

= 0V, VIH = 3.3V

IL

Min. Typ. Max.

= 25 °C

A

0.8

-0.8

Unit

V

3/8

74LCX14

AC ELECTRICAL CHARACTERISTICS

Test Condition Value

Symbol Parameter

V

CC

(V)

t

PLH tPHL

t

OSLH

t

OSHL

1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switch­ing in the same direction, either HIGH or LOW (t

2) Param eter guaran te ed by design

Propagation Delay
Time

Output To Output
Skew Time (note1,

2)

2.7

3.0 to 3.6 1.5 5.0 1.5 5.0

3.0 to 3.6 50 500 2.5 1.0 1.0 ns

OSLH

C

L

(pF)

50 500 2.5

= | t

PLHm

- t

PLHn

R

(Ω)

|, t

L

OSHL

t

s

(ns)

= t

= | t

-40 to 85 °C -55 to 125 °C

r

Min. Max. Min. Max.

6.5 6.5

- t

PHLn

|)

PHLm

Unit

ns

CAPACITIVE CHARACTERISTICS

Test Condition Value

T

Symbol Parameter

C

C

1) CPD is 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

Input Capacitance

IN

Power Dissipation Capacitance

PD

(note 1)

V

CC

(V)

3.3

VIN = 0 to V

3.3 fIN = 10MHz
V

= 0 or V

IN

Min. Typ. Max.

CC

CC

CC(opr)

= 25 °C

A

Unit

6pF

48

= CPD x VCC x fIN + ICC/6 (per gate)

pF

TEST CIRCUIT

CL = 50pF or equivalent (includes jig and p robe capacitance)

= 500Ω or equivalent

R

L

R

= Z

of pulse generator (typically 50Ω)

T

OUT

4/8

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

74LCX14

5/8

74LCX14

SO-14 MECHANICAL DATA

DIM.

A 1.75 0.068
a1 0.1 0.2 0.003 0.007
a2 1.65 0.064

b 0.35 0.46 0.013 0.018

b1 0.19 0.25 0.007 0.010

C 0.5 0.019
c1 45° (typ.)

D 8.55 8.75 0.336 0.344

E 5.8 6.2 0.228 0.244

e 1.27 0.050

e3 7.62 0.300

F 3.8 4.0 0.149 0.157

G 4.6 5.3 0.181 0.208

L 0.5 1.27 0.019 0.050
M 0.68 0.026
S8° (max.)

MIN. TYP MAX. MIN. TYP. MAX.

mm. inch

6/8

PO13G

74LCX14

TSSOP14 MECHANICAL DATA

mm. inch

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

A 1.2 0.047

A1 0.05 0.15 0.002 0.004 0.006

A2 0.8 1 1.05 0.031 0.039 0.041

b 0.19 0.30 0.007 0.012

c 0.09 0.20 0.004 0.0089

D 4.9 5 5.1 0.193 0.197 0.201

E 6.2 6.4 6.6 0.244 0.252 0.260

E1 4.3 4.4 4.48 0.169 0.173 0.176

e 0.65 BSC 0.0256 BSC

K0° 8°0° 8°

L 0.45 0.60 0.75 0.018 0.024 0.030

A2

A

A1

b

e

c

K

L

E

D

E1

PIN 1 IDENTIFICATION

1

0080337D

7/8

74LCX14

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