Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsLogic ICsLogic IC - Inverter Inverter 7400 PDIP 14

Operation from Very Slow Edges

Improved Line-Receiving Characteris-

tics

SN5414, SN54LS14...J PACKAGE

SN7414, SN74LS14...

OR N PACKAGE

(TOP VIEW)

High Noise Immunity

Package Options Include Standard Plastic

(N) and Ceramic (J) 300-mil Dual-In-Line

Packages,

Plastic Small Outline (D) and

Ceramic Chip Carrier (FK) Package

. .

descnptlon

TYPES

SN741 4,

SN74LS14

SN5414,

SN54LS14

HEX SCHMITT

TRIGGER

INVERTERS

Esch

circuit

functions

as an inverter, but

because

of the

Schmitt action, it has different input threshold

levels

for

positive IVT +

)

and for negative going

(VT-)

Signals.

These circuits are temperature-compensated and tan

SN54LS14 FK PACKAGE

fTOP

VIEWI

xa”

rrz>cr,

be triggered from the slowest of input ramps and still

give clean, jitter-free output

Signals.

The SN5414 and SN54LS14 are characterized for Oper-

ation over the full military temperature range of

-55’C

to 125°C. The SN7414 and the SN74LS14 are

charac-

terized for Operation from 0

C to 70

logic

diagram

No internal

connection

positive

logic

Y=A

3-67

Summary of content (9 pages)

PAGE 1
TYPES SN741 4, SN74LS14 SN5414, SN54LS14 HEX SCHMITT - TRIGGER INVERTERS Operation from Very Slow Edges Improved Line-Receiving Characteristics SN5414, SN54LS14...J PACKAGE SN7414, SN74LS14... D OR N PACKAGE (TOP VIEW) High Noise Immunity Package Options Include Standard Plastic (N) and Ceramic (J) 300-mil Dual-In-Line Packages, Plastic Small Outline (D) and Ceramic Chip Carrier (FK) Package . .
PAGE 2
TYPES SN7414, SN74LS14, SN5414, SN54LSl4 HEX SCHMITT - TRIGGER INVERTERS schematics absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Supply v o l t a g e , V C C (sec N o t e 1) Inputvoltage: ‘14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .._...____.____ ‘LS14............................................................... Operating free-air temperature: SN54’ . SN74’..........................................
PAGE 3
TYPES SN7414, SN541 4 HEX SCHMITT - TRIGGER INVERTERS recommended operating SN7414 SN5414 MIN NOM MAX 5 5.5 4.5 vcc Supply voltage 10~ H i g h level o u t p u t current Lew-level outpu1 T~ O p e r a t i n g freeair temperature 4.75 NOM 5 - 0.8 16 currenl: ‘OL MIN - 55 125 0 MAX * UNIT 5.25 V -0.
PAGE 4
TYPES SN74LSi 4 SN54LS14 HEX SCHMITT-TRIGGER INVERTERS electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) - ‘T- vcc =5v, VI = VT- ‘I VCC = M A X . v, =7v -0.18 - 0 1 8 ‘IH VCC = M A X , V,,, = 2 . 7 V ‘IL VcC = MA X , VIL = 0.4 v ‘oss VCC = M A X ‘Ca-l VcC = M A X 8.6 16 ‘CCL VCC = MAX 12 21 0.1 20 - 0.4 - 20 - 100 m A 0.1 - 20 mA 20 I.IA -0.4 m A -1oo mA 8.
PAGE 5
TYPES SN7414, SN74LS14, SN!5414, SN54LS14 HEX SCHMITT-TRIGGER INVERTERS PARAMETER MEASUREMENT INFORMATION TEST POINT “ c c INPUT FROM OUTPUT UNDER TEST LOAD CIRCUIT NOTES A . All VOLTAGE WAVEFORMS d i o d e s arc lN3064 or equmalent. 8. CL Includer p r o b e a n d 119 capacntance C . G e n e r a t o r characterirtics a n d reference volrage arc Generator SN54’/SN74’ SN54LSlSN74LS Charactcrirtics Refersnce Voltages *o,t 50 52 PRR fr tf VI ref(H) 1 MHz 10 ns 10 ns 1.
PAGE 6
TYPES SN74LS14, SN54LS14 HEX SCHMITT-TRIGGER INVERTERS TYPICAL CHARACTERISTICS OF ‘14 CIRCUITS THRESHOLD VOLTAGES DISTRIBUTION OF UNITS FOR HYSTERESIS SUPPLY “V~LTAGE 0’ 4.5 ’ ’ ’ ’ ’ ’ ’ 4.75 5 5.25 V-r+ - VT- - Hysteresir - mV 1 5.5 FIGURE 5 HYSTERESIS OUTPUT VOLTAGE SI ,DD, ” \/nl TAGF 2.0 ,TA = 25’C 1.6’ * > ’ ’ ’ INPU T ’ ’ VOLT*GE J 1.6 .; 1 . 4 E 1.2 ; y 1.0 i.! 0.8 > : 0.6 g 0.4 0.2 0 0 0.4 0.8 1.
PAGE 7
TYPES SN74LS14, SN54LS14 HEX SCHMITT-TRIGGER INVERTERS TYPICAL CHARACTERISTICS OF ‘LS14 CIRCUITS POSITIVE-GOING THRESHOLD VOLTAGE NEGATIVE-GOING THRESHOLD VOLTAGE FREE-AIR TkPERATURE FREE-AIR TGPERATURE 1.70 0.90 > 1 1 0.89 > , 1.69 % c s -0 0 E f c m .c u 3 1.68 0 2 1.67 z r’ LF ‘0 9, z :E 1.66 1.65 1.64 0.88 TA- .mn .- t i i i i 0.85 7 0.82 _1c ’ 0.81 z 0.80 - 7 5 Frae-AW Temperature - ‘C FIGURE 8 r rnrr ( 0.84 0 .z5 0.83 Y , 0.86 1.63 1.60 1 VCC’5V 0.87 2 , 1.62 t 1.
PAGE 8
TYPES SN74LS14. SN54LS14 HEX SCiiMITT-TliIbGER INVERTERS TYPICAL CHARACTERISTICS OF ‘LS14 CIRCUITS THRESHOLD VOLTAGES AND HYSTERESIS SuPPLY OUTPUT VOLTAGE YVSOLTAGE iwu-r V~ILTAGE 2.0 1.8 1.6 7 1.4 8 r” 3 0 e z i! 1.2 1.0 0.8 0.6 0.4 0.2 0 4.5 4.75 5 5.25 0 5.5 vcc - Supply Voltage ~ v 0 0.4 0.8 1.2 1.6 2 VI - Input Voltage -v FIGURE 12 FIGURE 13 Data ‘0, temperatures below G”C and above 7occ and supp,y “oltages below 4 7 5 V a n d above 5 .
PAGE 9
TYPES SN7414, SN74LS14 SN541 4, SN54LS14 HEX SCHMITT-TRIGGER INVERTERS TYPICAL APPLICATION DATA ( TTL SYSTEM - OSCILLATOR - I I I l I I I I Il I 0 I I I I 0 TTL SYSTEM INTERFACE FOR SLOW INPUT WAVEFORMS PULSE SHAPER 0 1 Hz to 10 MHz 330 R l - - - OUT MULTIVIBRATOR THRESHOLO OETECTOR CIUTPU7 - .