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| DS16149 DS36149 DS16179 DS36179 Hex MOS Drivers February 1986 DS16149 DS36149 DS16179 DS36179 Hex MOS Drivers General Description The DS16149 DS36149 and DS16179 DS36179 are Hex MOS drivers with outputs designed to drive large capacitive loads up to 500 pF associated with MOS memory systems PNP input transistors are employed to reduce input currents allowing the large fan-out to these drivers needed in memory systems The circuit has Schottky-clamped transistor logic for minimum propagation delay and a disable control that places the outputs in the logic ``1'' state (see truth table) This is especially useful in MOS RAM applications where a set of address lines has to be in the logic `'1'' state during refresh The DS16149 DS36149 has a 15 X resistor in series with the outputs to dampen transients caused by the fast-switching output The DS16179 DS36179 has a direct low impedance output for use with or without an external resistor Features Y Y Y High speed capabilities Typ 9 ns driving 50 pF Typ 29 ns driving 500 pF Built-in 15 X damping resistor (DS16149 DS36149) Same pin-out as DM8096 and DM74366 Schematic Diagram TL F 7553 - 1 C1995 National Semiconductor Corporation TL F 7553 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note 1) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage Logical ``1'' Input Voltage Logical ``0'' Input Voltage 7 0V 7 0V Operating Conditions Supply Voltage (VCC) Temperature (TA) DS16149 DS16179 DS36149 DS36179 Min 45 b 55 Max 55 a 125 a 70 Units V C C 0 b 1 5V b 65 C to a 150 C Storage Temperature Range Maximum Power Dissipation at 25 C Cavity Package 1371 mW Molded Package 1280 mW Lead Temperature (Soldering 10 seconds) 300 C Derate cavity package 9 1 mW C above 25 C derate molded package 10 2 m W C above 25 C DC Electrical Characteristics (Notes 2 and 3) Symbol VIN(1) VIN(0) IIN(1) IIN(0) VCLAMP VOH VOL VOH Parameter Logical ``1'' Input Voltage Logical ``0'' Input Voltage Logical ``1'' Input Current Logical ``0'' Input Current Input Clamp Voltage Logical ``1'' Output Voltage (No Load) Logical ``0'' Output Voltage (No Load) Logical ``1'' Output Voltage (With Load) VCC e 4 5V IOH e b1 0 mA VCC e 5 5V VIN e 5 5V VCC e 5 5V VIN e 0 5V VCC e 4 5V IIN e b18 mA VCC e 4 5V IOH e b10 mA VCC e 4 5V IOL e 10 mA DS16149 DS16179 DS36149 DS36179 DS16149 DS16179 DS36149 DS36179 DS16149 DS16179 DS36149 DS36179 VOL Logical ``0'' Output Voltage (With Load) VCC e 4 5V IOL e 20 mA DS16149 DS16179 DS36149 DS36179 IID IOD ICC Logical ``1'' Drive Current Logical ``0'' Drive Current Power Supply Current VCC e 5 5V VCC e 4 5V VOUT e 0V (Note 4) VCC e 4 5V VOUT e 4 5V (Note 4) Disable Inputs e 0V All Other Inputs e 3V All Inputs e 0V 14 24 25 26 27 34 35 01 b 50 b 0 75 Conditions Min 20 Typ Max Units V 08 40 b 250 b1 2 V mA mA V V V 43 43 0 25 0 25 35 35 35 35 06 04 06 04 b 250 04 0 35 V V V V V V 11 05 10 05 V V V V mA mA 150 33 60 20 mA mA Switching Characteristics (VCC e 5V Symbol tSg tS' tF Parameter Storage Delay Negative Edge Storage Delay Positive Edge Fall Time TA e 25 C) (Note 4) Conditions Min Typ 45 75 5 8 5 22 Max 7 12 8 13 8 35 Units ns ns ns ns ns ns (Figure 1 ) (Figure 1 ) (Figure 1 ) CL e 50 pF CL e 500 pF CL e 50 pF CL e 500 pF CL e 50 pF CL e 500 pF 2 Switching Characteristics (VCC e 5V Symbol tR tLH tHL Parameter Rise Time Delay from Disable Input to Logical ``1'' Delay from Disable Input to Logical ``0'' TA e 25 C) (Note 4) (Continued) Conditions Min Typ 6 26 15 11 Max 9 35 22 18 Units ns ns ns ns CL e 50 pF CL e 500 pF (Figure 1 ) RL e 2 kX to Gnd CL e 50 pF (Figure 2 ) RL e 2 kX to VCC CL e 50 pF (Figure 3 ) Note 1 ``Absolute Maximum Ratings'' are those values beyond which the safety of the device cannot be guaranteed Except for ``Operating Temperature Range'' they are not meant to imply that the devices should be operated at these limits The table of ``Electrical Characteristics'' provides conditions for actual device operation Note 2 Unless otherwise specified min max limits apply across the b 55 C to a 125 C temperature range for the DS16149 and DS16179 and across the 0 C to a 70 C range for the DS36149 and DS36179 All typical values are for TA e 25 C and VCC e 5V Note 3 All currents into device pins shown as positive out of device pins as negative all voltages referenced to ground unless otherwise noted All values shown as max or min on absolute value basis Note 4 When measuring output drive current and switching response for the DS16179 and DS36179 a 15 X resistor should be placed in series with each output This resistor is internal to the DS16149 DS36149 and need not be added Connection Diagram Dual In-Line Package Truth Table Disable Input DIS 1 0 0 0 1 1 X e Don't care Input 0 1 X X X Output 1 0 1 1 1 DIS2 0 0 1 0 1 TL F 7553 - 2 Top View Order Number DS16149J DS36149J DS16179J DS36179J DS36149N or DS36179N See NS Package Number J16A or N16A AC Test Circuits and Switching Time Waveforms tSg tSg tR tF TL F 7553 - 3 FIGURE 1 3 AC Test Circuits and Switching Time Waveforms (Continued) TL F 7553 - 4 FIGURE 2 TL F 7553 - 5 FIGURE 3 Internal on DS16149 and DS36149 Note 1 The pulse generator has the following characteristics ZOUT e 50 X and PRR s 1 MHz Rise and fall times between 10% and 90% points s 5 ns Note 2 CL includes probe and jig capacitance Typical Applications TL F 7553 - 6 4 Physical Dimensions inches (millimeters) Ceramic Dual-In-Line Package (J) Order Number DS16149J DS36149J DS16179J or DS36179J NS Package Number J16A 5 DS16149 DS36149 DS16179 DS36179 Hex MOS Drivers Physical Dimensions inches (millimeters) (Continued) Molded Dual-In-Line Package (N) Order Number DS36149N DS36149N NS Package Number N16A 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 1111 West Bardin Road Arlington TX 76017 Tel 1(800) 272-9959 Fax 1(800) 737-7018 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 Europe Fax (a49) 0-180-530 85 86 Email cnjwge tevm2 nsc com Deutsch Tel (a49) 0-180-530 85 85 English Tel (a49) 0-180-532 78 32 Fran ais Tel (a49) 0-180-532 93 58 Italiano Tel (a49) 0-180-534 16 80 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 Semiconductor Japan Ltd Tel 81-043-299-2309 Fax 81-043-299-2408 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 |
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