Motor de Búsqueda de Datasheet de Componentes Electrónicos
  Spanish  ▼
ALLDATASHEET.ES

X  

CD74HCT257MT Datasheet(PDF) 6 Page - Texas Instruments

No. de pieza CD74HCT257MT
Descripción Electrónicos  High-Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs
Download  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

CD74HCT257MT Datasheet(HTML) 6 Page - Texas Instruments

Back Button CD74HCT257MT Datasheet HTML 2Page - Texas Instruments CD74HCT257MT Datasheet HTML 3Page - Texas Instruments CD74HCT257MT Datasheet HTML 4Page - Texas Instruments CD74HCT257MT Datasheet HTML 5Page - Texas Instruments CD74HCT257MT Datasheet HTML 6Page - Texas Instruments CD74HCT257MT Datasheet HTML 7Page - Texas Instruments CD74HCT257MT Datasheet HTML 8Page - Texas Instruments CD74HCT257MT Datasheet HTML 9Page - Texas Instruments CD74HCT257MT Datasheet HTML 10Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 6 / 12 page
background image
6
Test Circuits and Waveforms
FIGURE 1. HC TRANSITION TIMES AND PROPAGATION
DELAY TIMES, COMBINATION LOGIC
FIGURE 2. HCT TRANSITION TIMES AND PROPAGATION
DELAY TIMES, COMBINATION LOGIC
FIGURE 3. HC THREE-STATE PROPAGATION DELAY
WAVEFORM
FIGURE 4. HCT THREE-STATE PROPAGATION DELAY
WAVEFORM
NOTE:
Open drain waveforms tPLZ and tPZL are the same as those for three-state shown on the left. The test circuit is Output RL =1kΩ to
VCC, CL = 50pF.
FIGURE 5. HC AND HCT THREE-STATE PROPAGATION DELAY TEST CIRCUIT
tPHL
tPLH
tTHL
tTLH
90%
50%
10%
50%
10%
INVERTING
OUTPUT
INPUT
GND
VCC
tr = 6ns
tf = 6ns
90%
tPHL
tPLH
tTHL
tTLH
2.7V
1.3V
0.3V
1.3V
10%
INVERTING
OUTPUT
INPUT
GND
3V
tr = 6ns
tf = 6ns
90%
50%
10%
90%
GND
VCC
10%
90%
50%
50%
OUTPUT
DISABLE
OUTPUT LOW
TO OFF
OUTPUT HIGH
TO OFF
OUTPUTS
ENABLED
OUTPUTS
DISABLED
OUTPUTS
ENABLED
6ns
6ns
tPZH
tPHZ
tPZL
tPLZ
0.3
2.7
GND
3V
10%
90%
1.3V
1.3V
OUTPUT
DISABLE
OUTPUT LOW
TO OFF
OUTPUT HIGH
TO OFF
OUTPUTS
ENABLED
OUTPUTS
DISABLED
OUTPUTS
ENABLED
tr
6ns
tPZH
tPHZ
tPZL
tPLZ
6ns
tf
1.3
IC WITH
THREE-
STATE
OUTPUT
OTHER
INPUTS
TIED HIGH
OR LOW
OUTPUT
DISABLE
VCC FOR tPLZ AND tPZL
GND FOR tPHZ AND tPZH
OUTPUT
RL = 1kΩ
CL
50pF
CD54HC257, CD74HC257, CD54HCT257, CD74HCT257


Número de pieza similar - CD74HCT257MT

Fabricante ElectrónicoNo. de piezaDatasheetDescripción Electrónicos
logo
Texas Instruments
CD74HCT257MT TI1-CD74HCT257MT Datasheet
462Kb / 15P
[Old version datasheet]   High-Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs
More results

Descripción similar - CD74HCT257MT

Fabricante ElectrónicoNo. de piezaDatasheetDescripción Electrónicos
logo
Texas Instruments
CD54HC257 TI1-CD54HC257_14 Datasheet
462Kb / 15P
[Old version datasheet]   High-Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs
CD74HC257 TI-CD74HC257 Datasheet
52Kb / 7P
[Old version datasheet]   High Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs
logo
Intersil Corporation
CD54AC257 INTERSIL-CD54AC257 Datasheet
10Kb / 1P
   Quad 2-Input Multiplexer Three-State, Non-Inverting
June 1997
logo
Texas Instruments
CD74AC257 TI-CD74AC257 Datasheet
39Kb / 8P
[Old version datasheet]   Quad 2-Input Multiplexer with Three-State Outputs
CD74AC257 TI-CD74AC257 Datasheet
287Kb / 8P
[Old version datasheet]   Quad 2-Input Multiplexer with Three-State Outputs
CD54AC257 TI-CD54AC257_07 Datasheet
455Kb / 17P
[Old version datasheet]   Quad 2-Input Multiplexer with Three-State Outputs
CD54AC257 TI-CD54AC257_08 Datasheet
485Kb / 17P
[Old version datasheet]   Quad 2-Input Multiplexer with Three-State Outputs
CD54HCT251 TI-CD54HCT251 Datasheet
271Kb / 11P
[Old version datasheet]   High-Speed CMOS Logic 8-Input Multiplexer, Three-State
CD54HC251 TI1-CD54HC251_14 Datasheet
463Kb / 16P
[Old version datasheet]   High-Speed CMOS Logic 8-Input Multiplexer, Three-State
CD74HC251 TI-CD74HC251 Datasheet
37Kb / 7P
[Old version datasheet]   High Speed CMOS Logic 8-Input Multiplexer; Three-State
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12


Datasheet Descarga

Go To PDF Page


Enlace URL




Política de Privacidad
ALLDATASHEET.ES
¿ALLDATASHEET es útil para Ud.?  [ DONATE ] 

Todo acerca de Alldatasheet   |   Publicidad   |   Contáctenos   |   Política de Privacidad   |   Intercambio de Enlaces   |   Lista de Fabricantes
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com