Electronic Components Datasheet Search |
|
MM74HC242 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
|
|
MM74HC242 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 6 page TLL5019 January 1988 MM54HC242MM74HC242 Inverting Quad TRI-STATE Transceiver MM54HC243MM74HC243 Quad TRI-STATE Transceiver General Description These TRI-STATE bidirectional inverting and non-inverting buffers utilize advanced silicon-gate CMOS technology and are intended for two-way asynchronous communication be- tween data buses They have high drive current outputs which enable high speed operation when driving large bus capacitances These circuits possess the low power dissi- pation and high noise immunity associated with CMOS cir- cuits but speeds comparable to low power Schottky TTL circuits They can also drive 15 LS-TTL loads The MM54HC243MM74HC243 is a non-inverting buffer and the MM54HC242MM74HC242 is an inverting buffer Each device has one active high enable (GBA) and one active low enable (GAB) GBA enables the A outputs and GAB enables the B outputs This device does not have Schmitt trigger inputs All inputs are protected from damage due to static dis- charge by diodes to VCC and ground Features Y Typical propagation delay 12 ns Y TRI-STATE outputs Y Two way asynchronous communication Y High output current 6 mA (74HC) Y Wide power supply range 2 – 6V Y Low quiescent supply current 80 mA (74HC) Connection Diagrams Dual-In-Line Package TLL5019 – 1 Top View Order Number MM54HC242 or MM74HC242 Dual-In-Line Package TLL5019 – 2 Top View Order Number MM54HC243 or MM74HC243 Truth Tables ’HC242 Control Inputs Data Port Status GAB GBA A B H H OUTPUT Input L H Isolated Isolated H L Isolated Isolated L L Input OUTPUT ’HC243 Control Inputs Data Port Status GAB GBA A B H H OUTPUT Input L H Isolated Isolated H L Isolated Isolated L L Input OUTPUT TRI-STATE is a registered trademark of National Semiconductor Corp C1995 National Semiconductor Corporation RRD-B30M115Printed in U S A |
Similar Part No. - MM74HC242 |
|
Similar Description - MM74HC242 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List 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 |