June 1989 (AV vational Semiconductor DM54S40/DM74S40 Dual 4-Input NAND Buffers General Description This device contains two independent gates each of which performs the logic NAND function. Connection Diagram Dual-In-Line Package 02 c2 NC B2 A? 2 Veo |i 13 12 W 10 |, E 1 2 |? 4 5 6 - Al 81 NC C1 D1 v1 GND TL/F/6453-1 Order Number DM54S40J, DM54S40W or DM74S40N See NS Package Number J14A, N14A or W16B Function Table Y = ABCD Inputs Output A B c D Y x x x L H x x L x H x L x x H L x x x H H H H H L H = High Logic Level L = Low Logic Level X = Either Low or High Logic Level 1995 National Semiconductor Corporation TL/F/6453 RRD-B30M105/Printed in U. S.A. siajjng GNWN Indul-p [eng OFSPZING/OPSPSIWNGAbsolute Maximum Ratings (note) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/Distributors for availability and specifications. Supply Voltage 7V Input Voltage 5.5V Operating Free Air Temperature Range DM54S 55C to + 125C OC to + 70C 65C to + 150C DM74S Storage Temperature Range Note: The Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaran- teed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics table are not guaranteed at the absolute maximum ratings. The Recommended Operating Conditions table will define the conditions for actual device operation. Recommended Operating Conditions Symbol Parameter DM54S40 DM74S40 Units Min Nom Max Min Nom Max Voc Supply Voltage 45 5 5.5 4.75 5 5.25 v ViH High Level Input Voltage 2 2 ViL Low Level Input Voltage 0.8 0.8 lou High Level Output Current -3 -3 mA lot Low Level Output Current 60 60 mA Ta Free Air Operating Temperature 55 125 0 70 C Electrical Characteristics over recommended operating free air temperature (unless otherwise noted) Symbol Parameter Conditions Min Typ Max Units (Note 1) Vv Input Clamp Voltage Voc = Min, |} = 18mA -1.2 Vv Vou High Level Output Voc = Min, lon = Max DM54 2.5 3.4 v Voltage Vit = Max DM74 27 3.4 VoL Low Level Output Voc = Min, lo. = Max 05 Vv Voltage Vin = Min , ly Input Current @ Max Voc = Max, V; = 5.5V 1 mA Input Voltage Hy High Level Input Current Voc = Max, V; = 2.7V 100 pA hie Low Level Input Current Voc = Max, V; = 0.5V 4 mA los Short Circuit Voc = Max DM54 50 225 Output Current (Note 2) mA up DM74 50 225 IocH Supply Current with Voc = Max Outputs High 10 18 mA loci Supply Current with Voc = Max 25 4A mA Outputs Low Switching Characteristics at Voc = 5v and T, = 25C (See Section 1 for Test Waveforms and Output Load) RL = 930 Symbol Parameter C_ = 50 pF CL = 150 pF Units Min Max Min Max tPLH Propagation Delay Time Low to High Level Output 2 68 8 ns tPHL Propagation Delay Time High to Low Level Output 2 68 8 ns Note 1: All typicals are at Voc = 5V, Ta = 25C. Note 2; Not more than one output should be shorted at a time, and the duration should not exceed one second. 2Physical Dimensions inches (millimeters) 0.785 (19.939) MAX 0.028 (0638) 0.220-0.310 (.588-7.874) 0.290-0.320 0.005 0.200 (7.365-8 (0.1271 GLASS 0.060 +0.005 (5.080) MIN | _seaanT Geasaaa | (15240127) MAX 9.920-0.060 0.180 4 | (0508-1524) (4.572) Cl 4 f 95 =5 8694" TYP i 10 MAX 0.008-0.012 0.310-0.410 (0.2030.305) | aan 0008 i 0.018 20.003 ova | aL 0.125-0.200 (2489) (0.87 20.076) (3.175-5.080) MAX BOTH ENDS | 0.100 +0.010 0.150 (2.540 +0.254)} Ban MIN aa (REV G: 14-Lead Ceramic Dual-In-Line Package (J) Order Number DM54S40J NS Package Number J14A 0.740 0.770 (18.80 19.56) 0.090 (2.286) , INDEX AREA ) G) 0.250+0.010 O (6.3500.254) PINNO. 1 --@ ed t PINNO.1 IDENT GIT ye IDENT 0.092 yj, 0.030 max 2337) (0.762) DEPTH OPTION 1 OPTION 02 0.135 +0.005 0.300 0.320 (3.429 50.127) T7620 8 128) 0.445 0.200 el faq 2.080 yp Le 4 TYP (7.620 8.128} 0.065 (3.683 5.080) | | (1.524) a ~ EPTIONAL (1.651) . \ | 4 fo | y4 | a | / o45e 0.008 0.016 0.020 YY. 90 +4 TYP eee pT (0-203 0.406) *P (0.508) Le MIN 0.1250.150 | lof 0.075 +0.015 (3.1753.810) > 1908 50.381) fa 0.014 --0,023 7 (0.356 0.584) Pi ~ 0.100.010 MIN | 0.050-+0.010 {2.540 =0.254) | ian oe 0.325 ns 1.076) (0.255 91) Nua REY Fy 14-Lead Molded Dual-In-Line Package (N) Order Number DM74S40N NS Package Number N14ADM54S40/DM74S40 Dual 4-Input NAND Buffers Physical Dimensions: inches (mitimeters) (Continued) 0.080 0.050 0.045 0.050 0.005 4 0.026 TYP TYP ] 14) iy pe 0.385 MAX o >| jx 0.005 win TYP ] Je 0.370 0.250 i 0.280 MAX GLASS, 0.260 0.755 9.012 i mer) PR #1 IDENT o.o0s_ | 0.018 pelle 0.9008 CETAIL A 0.370 ! 0.250 Ut | | me 0.045 MAX Wid (REV J} TYP. 14-Lead Ceramic Flat Package (W) Order Number DM54S40W NS Package Number W14B LIFE SUPPORT POLICY NATIONALS 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 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 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 effectiveness. to the user. National Semiconductor National Semiconductor National Semiconductor National Semiconductor Corporation Europe Hong Kong Ltd. Japan Ltd. 1111 West Bardin Road Fax: (+49) 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 Tek (+49) 0-180-530 85 85 Tsimshatsui, Kowloon Fax: 1(800) 737-7018 English Tel: (+49) 0-180-532 78 32 Hong Kong Frangais Tel: (+49) 0-180-532 93 58 Italiano Tek (+49) 0-180-534 16 80 Tel: (852) 2737-1600 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.