54F/74F378 Parallel D Register with Enable General Description Features The ’F378 is a 6-bit register with a buffered common Enable. This device is similar to the ’F174, but with common Enable rather than common Master Reset. Y Y Y Y Y Commercial Military 74F378PC 54F378DM (QB) 74F378SC (Note 1) 6-bit high-speed parallel register Positive edge-triggered D-type inputs Fully buffered common clock and enable inputs Input clamp diodes limit high-speed termination effects Full TTL and CMOS compatible Package Number Package Description N16E 16-Lead (0.300× Wide) Molded Dual-In-Line J16A 16-Lead Ceramic Dual-In-Line M16A 16-Lead (0.150× Wide) Molded Small Outline, JEDEC M16D 16-Lead (0.300× Wide) Molded Small Outline, EIAJ 54F378FM (QB) W16A 16-Lead Cerpack 54F378LM (QB) E20A 20-Lead Ceramic Leadless Chip Carrier, Type C 74F378SJ (Note 1) Note 1: Devices also available in 13× reel. Use suffix e SCX and SJX. Logic Symbols Connection Diagrams Pin Assignment for DIP, SOIC and Flatpak Pin Assignment for LCC TL/F/9526–1 IEEE/IEC TL/F/9526 – 2 TL/F/9526 – 3 TL/F/9526–4 TRI-STATEÉ is a registered trademark of National Semiconductor Corporation. C1995 National Semiconductor Corporation TL/F/9526 RRD-B30M75/Printed in U. S. A. 54F/74F378 Parallel D Register with Enable January 1995 Unit Loading/Fan Out 54F/74F Pin Names E D 0 – D5 CP Q0 – Q5 Description Enable Input (Active LOW) Data Inputs Clock Pulse Input (Active Rising Edge) Outputs U.L. Input IIH/IIL HIGH/LOW Output IOH/IOL 1.0/1.0 1.0/1.0 1.0/1.0 50/33.3 Functional Description 20 mA/b0.6 mA 20 mA/b0.6 mA 20 mA/b0.6 mA b 1 mA/20 mA Truth Table The ’F378 consists of six edge-triggered D-type flip-flops with individual D inputs and Q inputs. The Clock (CP) and Enable (E) inputs are common to all flip-flops. E CP Dn Qn When the E input is LOW, new data is entered into the register on the LOW-to-HIGH transition of the CP input. When the E input is HIGH the register will retain the present data independent of the CP input. H L L L L L X H L No Change H L Inputs Output H e HIGH Voltage Level L e LOW Voltage Level X e Immaterial L e LOW-to-HIGH Clock Transition Logic Diagram TL/F/9526 – 5 Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. 2 Absolute Maximum Ratings (Note 1) Recommended Operating Conditions If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/Distributors for availability and specifications. Storage Temperature b 65§ C to a 150§ C Ambient Temperature under Bias Junction Temperature under Bias Plastic b 55§ C to a 125§ C Free Air Ambient Temperature Military Commercial b 55§ C to a 125§ C 0§ C to a 70§ C Supply Voltage Military Commercial b 55§ C to a 175§ C b 55§ C to a 150§ C a 4.5V to a 5.5V a 4.5V to a 5.5V VCC Pin Potential to Ground Pin b 0.5V to a 7.0V b 0.5V to a 7.0V Input Voltage (Note 2) b 30 mA to a 5.0 mA Input Current (Note 2) Voltage Applied to Output in HIGH State (with VCC e 0V) b 0.5V to VCC Standard Output b 0.5V to a 5.5V TRI-STATEÉ Output Current Applied to Output in LOW State (Max) twice the rated IOL (mA) Note 1: Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired. Functional operation under these conditions is not implied. Note 2: Either voltage limit or current limit is sufficient to protect inputs. DC Electrical Characteristics Symbol 54F/74F Parameter Min VIH Input HIGH Voltage VIL Input LOW Voltage Typ Units VCC Conditions Max 2.0 V Recognized as a HIGH Signal 0.8 V Recognized as a LOW Signal b 1.2 V Min IIN e b18 mA V Min IOH e b1 mA IOH e b1 mA IOH e b1 mA IOL e 20 mA IOL e 20 mA VCD Input Clamp Diode Voltage VOH Output HIGH Voltage 54F 10% VCC 74F 10% VCC 74F 5% VCC VOL Output LOW Voltage 54F 10% VCC 74F 10% VCC 0.5 0.5 V Min IIH Input HIGH Current 54F 74F 20.0 5.0 mA Max VIN e 2.7V IBVI Input HIGH Current Breakdown Test 54F 74F 100 7.0 mA Max VIN e 7.0V ICEX Output HIGH Leakage Current 54F 74F 250 50 mA Max VOUT e VCC VID Input Leakage Test 74F V 0.0 IID e 1.9 mA All Other Pins Grounded IOD Output Leakage Circuit Current 74F 3.75 mA 0.0 VIOD e 150 mV All Other Pins Grounded IIL Input LOW Current IOS Output Short-Circuit Current ICCL Power Supply Current 2.5 2.5 2.7 4.75 b 60 30 3 b 0.6 mA Max VIN e 0.5V b 150 mA Max VOUT e 0V 45 mA Max VO e LOW AC Electrical Characteristics Symbol Parameter 74F 54F 74F TA e a 25§ C VCC e a 5.0V CL e 50 pF TA, VCC e Mil CL e 50 pF TA, VCC e Com CL e 50 pF Min Typ fmax Maximum Input Frequency 80 100 tPLH tPHL Propagation Delay CP to Qn 3.0 3.5 5.5 6.0 Max Min Max Min 70 7.5 8.5 Max 80 3.0 3.5 10.0 10.5 Units MHz 3.0 3.5 8.5 9.5 ns AC Operating Requirements Symbol Parameter 74F 54F 74F TA e a 25§ C VCC e a 5.0V TA, VCC e Mil TA, VCC e Com Min Min Min Max Max ts(H) ts(L) Setup Time, HIGH or LOW Dn to CP 4.0 4.0 5.0 5.0 4.0 4.0 th(H) th(L) Hold Time, HIGH or LOW Dn to CP 0 0 2.0 2.0 0 0 ts(H) ts(L) Setup Time, HIGH or LOW E to CP 6.0 10.0 4.5 13.0 6.0 10.0 th(H) th(L) Hold Time, HIGH or LOW E to CP 0 0 0 0 0 0 tw(H) tw(L) CP Pulse Width HIGH or LOW 4.0 6.0 5.0 7.5 4.0 6.0 Units Max ns ns ns Ordering Information The device number is used to form part of a simplified purchasing code where the package type and temperature range are defined as follows: 74F 378 S Temperature Range Family 74F e Commercial 54F e Military C X Special Variations QB e Military grade device with environmental and burn-in processing X e Devices shipped in 13× reel Device Type Package Code P e Plastic DIP D e Ceramic DIP F e Flatpak L e Leadless Chip Carrier (LCC) S e Small Outline SOIC JEDEC SJ e Small Outline SOIC EIAJ Temperature Range C e Commercial (0§ C to a 70§ C) M e Military (b55§ C to a 125§ C) 4 Physical Dimensions inches (millimeters) 20-Lead Ceramic Leadless Chip Carrier (L) NS Package Number E20A 16-Lead Ceramic Dual-In-Line Package (D) NS Package Number J16A 5 Physical Dimensions inches (millimeters) (Continued) 16-Lead (0.150× Wide) Molded Small Outline Package, JEDEC NS Package Number M16A 16-Lead (0.300× Wide) Molded Small Outline Package, EIAJ (SJ) NS Package Number M16D 6 Physical Dimensions inches (millimeters) (Continued) 16-Lead (0.300× Wide) Molded Dual-In-Line Package (P) NS Package Number N16E 7 54F/74F378 Parallel D Register with Enable Physical Dimensions inches (millimeters) (Continued) 16-Lead Ceramic Flatpak (F) NS Package Number W16A 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 systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. National Semiconductor Corporation 2900 Semiconductor Drive P.O. Box 58090 Santa Clara, CA 95052-8090 Tel: 1(800) 272-9959 TWX: (910) 339-9240 National Semiconductor GmbH Livry-Gargan-Str. 10 D-82256 F4urstenfeldbruck Germany Tel: (81-41) 35-0 Telex: 527649 Fax: (81-41) 35-1 National Semiconductor Japan Ltd. Sumitomo Chemical Engineering Center Bldg. 7F 1-7-1, Nakase, Mihama-Ku Chiba-City, Ciba Prefecture 261 Tel: (043) 299-2300 Fax: (043) 299-2500 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. National Semiconductor Hong Kong Ltd. 13th Floor, Straight Block, Ocean Centre, 5 Canton Rd. Tsimshatsui, Kowloon Hong Kong Tel: (852) 2737-1600 Fax: (852) 2736-9960 National Semiconductores Do Brazil Ltda. Rue Deputado Lacorda Franco 120-3A Sao Paulo-SP Brazil 05418-000 Tel: (55-11) 212-5066 Telex: 391-1131931 NSBR BR Fax: (55-11) 212-1181 National Semiconductor (Australia) Pty, Ltd. Building 16 Business Park Drive Monash Business Park Nottinghill, Melbourne Victoria 3168 Australia Tel: (3) 558-9999 Fax: (3) 558-9998 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.