Motor de Búsqueda de Datasheet de Componentes Electrónicos |
|
74ACT299 Datasheet(PDF) 2 Page - STMicroelectronics |
|
74ACT299 Datasheet(HTML) 2 Page - STMicroelectronics |
2 / 13 page INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL NAME AND F UNCTION 1, 19 S0, S1 Mode Select Inputs 2, 3 G1, G2 3 State Output Enable Inputs (Active LOW) 7, 13, 6, 14, 5, 15, 4, 16 A/QA to H/QH Parallel Data Inputs or 3 State Parallel Outputs (Bus Driver) 8, 17 QA’ to QH’ Serial Outputs (Standard Output) 9 CLEAR Asynchronous Master Reset Input (Active LOW) 11 SR Serial Data Shift Right Input 12 CLOCK Clock Input (LOW to HIGH, Edge-triggered) 18 SL Serial Data Shift Left Input 10 GND Ground (0V) 20 VCC Positive Supply Voltage TRUTH TABLE MO DE INPUTS I NPUTS/ OUTPUTS O UT PUT S CLEAR F UNCTIO N SELECTED OUTPUT CONTRO L CLO CK SERI AL A/Q A H/Q H QA’ QH’ S1 S0 G1* G2* SL SR Z L HHX X X X X Z Z L L CLEAR L L X L L X X X LLLL L X LLL X X X LLLL HOLD H LLLL X X X QA0 QH0 QA0 QH0 SHIFT RIGHT H L H L L X H H QGn H QGn H L H L L X L L QGn L QGn SHIFT LEFT H H L L L H X QBn H QBn H H H L L L L X QBn L QBn L LOAD H H H X X X X ahah * When one or both output controls are high, the eight, input/output terminals arethe high impedanc e state: howewer sequential operation or clearing of the register is not affected. Z : HIGH IMPEDANCE Qn0 : THE LEVELOF An BEFORE THE INDICATED STEADYSTATEINPUTCONDITIONS WERE ESTABLISED. Qnn : THE LEVELOF Qn BEFORETHE MOST RECENTACTIVETRANSITIONINDICATEDBY OR a,h : THE LEVELOF THE STEADYSTATEINPUTSA, H, RESPECTIVELY. X : DON’T CARE 74ACT299 2/13 |
Número de pieza similar - 74ACT299 |
|
Descripción similar - 74ACT299 |
|
|
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 |
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 |