MM82PC12 NSC | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 8

Technical content

Features

Y Drive capabilityÐ150 pF load Y High noise immunity Y Low power dissipation Y Full interface to CMOS logic levels Y microCMOS technology Y TTL drive capability when V CC e 5V Y 8-bit data latch and buffer Y Service request flip-flop for generation and control of interrupts Y 1 mA input load current Y Reduces system package count by replacing buffers, latches, and multiplexers in microcomputer systems System Configuration TL/C/5596–1 TRI-STATEÉ is a registered trademark of National Semiconductor Corp. C1995 National Semiconductor Corporation RRD-B30M105/Printed in U. S. A.

If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/Distributors for availability and specifications. Storage Temperature Range b65§Ct o a150§C Voltage at Any Pin With Respect to Ground b0.3V to V CC a 0.3V Lead Temperature (Soldering, 10 seconds) 300 §C Power Dissipation 500 mW Maximum V CC 7V Note: Absolute maximum ratings are those values beyond which the safety of the device cannot be guaranteed. Con- tinuous operation at these limits is not intended; operation should be limited to those conditions specified under DC Electrical Characteristics. Operating Range VCC e 5V g10% Ambient Temperature Military b55§Ct o a125§C Industrial b40§Ct o a85§C Commercial 0 §Ct o a70§C VCC e 5V g10%, GND e 0V, unless otherwise specified Symbol Parameter Test Conditions Min Typ Max Units VIH Input High Voltage 0.7 V CC VCC V VIL Input Low Voltage 0 0.2 V CC V VOH Output High Voltage V CCe 4.5V, V IH e 4.5V, I OH eb 2 mA 2.4 V VOL Output Low Voltage V CCe 5.5V, V IL e 0V, V IH e 5.5V, I OL e 2 mA 0.4 V IIH Input High Current V CCe 5.5V, V IN e 5.5V 10 mA IIL Input Low Current V CCe 5.5V, V IN e 0V b10 mA IOH Output High Current V CCe 4.5V, V OUT e 2.4V, V IH e 4.5V b2.0 mA IOL Output Low Current V CCe 5.5V, V OUT e 0.4V, V IL e 0V 2.0 mA ICC Power Supply Current V CCe 5.5V, V IH e 5.5V, V IL e 0V 400 mA IOZL TRI-STATE Low Leakage V CCe 5.5V, V OUT e 0V b10 mA Current IOZH TRI-STATE High Leakage V CCe 4.5V, V OUT e 4.5V 10 mA Current TA eb 55§Ct o a125§C, V CC e 5V g10%, GND e 0V, unless otherwise specified Symbol Parameter Test Conditions Min Typ Max Units tPW Pulse Width (STB, DS1 # DS2, CLR) 25 40 ns tPD Data In to Data Out 45 60 ns tWE Write Enable to Data Out 55 75 ns tSET Data Setup Time 15 ns tH Data Hold Time 20 ns tR Reset to Data Out 50 65 ns tS Select to Interrupt 50 65 ns tC Clear to Data Out 45 60 ns tED Output Enable/Disable Time 50 65 ns

TL/C/5596–2 Write Timing TL/C/5596–3 Data Setup, Hold Delay Timing TL/C/5596–4 Interrupt Timing TL/C/5596–5 Clear Timing TL/C/5596–6

TL/C/5596–10 Top View Order Number MM82PC12J or N See NS Package Number J24A or N24A Plastic Chip Carrier TL/C/5596–12 Top View Order Number MM82PC12V See NS Package Number V28A Logic Diagram TL/C/5596–11 Logic Table A STB MD DS 1 # DS2 Data Out Equals 0 0 0 TRI-STATE 1 0 0 TRI-STATE 0 1 0 Data Latch 1 1 0 Data Latch 0 0 1 Data Latch 1 0 1 Data In 0 1 1 Data In 1 1 1 Data In Note: CLR K resets data latch to the output low state. The data latch clock is level sensitive, a low level clock latches the data. Logic Table B CLR DS1 # DS2 STB Q * INT

0 RESET 0 0 0 1

10 K 10

*Internal Service Request flip-flop.

Applications in Microcomputer Systems TL/C/5596–13 Gated Buffer (TRI-STATE) TL/C/5596–15 Interrupting Input Port TL/C/5596–17 Output Port (with Handshaking) TL/C/5596–14 Bidirectional Bus Driver TL/C/5596–16 Interrupt Instruction Port

Ordering Information

TL/C/5596–18 Note 1: Do not specify a temperature option; all parts are screened to military temperature. Physical Dimensions inches (millimeters) Ceramic Dual-In-Line Package (J) Order Number MM82PC12J Molded Dual-In-Line Package (N) Order Number MM82PC12N

MM82PC12 8-Bit Input/Output Port Physical Dimensions inches (millimeters) (Continued) Plastic Chip Carrier Package (V) Order Number MM82PC12V LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or 2. A critical component is any component of a life systems which, (a) are intended for surgical implant support device or system whose failure to perform can into the body, or (b) support or sustain life, and whose be reasonably expected to cause the failure of the life failure to perform, when properly used in accordance support device or system, or to affect its safety or with instructions for use provided in the labeling, can effectiveness. be reasonably expected to result in a significant injury to the user. National Semiconductor National Semiconductor National Semiconductor National Semiconductor Corporation Europe Hong Kong Ltd. Japan Ltd.

1111 West Bardin Road Fax: (

a49) 0-180-530 85 86 13th Floor, Straight Block, Tel: 81-043-299-2309 Arlington, TX 76017 Email: cnjwge @ tevm2.nsc.com Ocean Centre, 5 Canton Rd. Fax: 81-043-299-2408 Tel: 1(800) 272-9959 Deutsch Tel: ( a49) 0-180-530 85 85 Tsimshatsui, Kowloon Fax: 1(800) 737-7018 English Tel: ( a49) 0-180-532 78 32 Hong Kong Fran3ais Tel: ( a49) 0-180-532 93 58 Tel: (852) 2737-1600 Italiano Tel: ( a49) 0-180-534 16 80 Fax: (852) 2736-9960 National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.