SN74F260 DUAL 5-INPUT POSITIVE-NOR GATE SDFS012A – D3214, JANUARY 1989 – REVISED OCTOBER 1993 • D OR N PACKAGE (TOP VIEW) Package Options Include Plastic Small-Outline Packages and Standard Plastic 300-mil DIPs 1A 1B 1C 2A 1Y 2Y GND description The SN74F260 contains two independent 5-input positive-NOR gates. It performs the Boolean functions Y = A + B + C + D + E in positive logic. The SN74F260 is characterized for operation from 0°C to 70°C. logic symbol† 1A 1B 1C 1D 1E 2A 2B 2C 2D 2E 1 1 14 2 13 3 12 4 11 5 10 6 9 7 8 VCC 1E 1D 2E 2D 2C 2B logic diagram, each gate (positive logic) ≥1 2 3 5 1Y 12 A B C D E Y 13 4 8 9 6 2Y 10 11 † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)‡ Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 7 V Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 1.2 V to 7 V Input current range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 30 mA to 5 mA Voltage range applied to any output in the high state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to VCC Current into any output in the low state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA Operating free-air temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C ‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: The input voltage ratings may be exceeded provided the input current ratings are observed. Copyright 1993, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 2–1 SN74F260 DUAL 5-INPUT POSITIVE-NOR GATE SDFS012A – D3214, JANUARY 1989 – REVISED OCTOBER 1993 recommended operating conditions VCC VIH Supply voltage VIL IIK Low-level input voltage IOH IOL High-level output current Low-level output current TA Operating free-air temperature High-level input voltage MIN NOM MAX 4.5 5 5.5 2 UNIT V V Input clamp current 0.8 V – 18 mA –1 mA 20 mA 70 °C 0 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER VIK VOH VOL II IIH IIL IOS‡ ICCH TEST CONDITIONS TYP† MIN VCC = 4.5 V, VCC = 4.5 V, II = – 18 mA IOH = – 1 mA VCC = 4.75 V, VCC = 4.5 V, IOH = – 1 mA IOL = 20 mA VCC = 5.5 V, VCC = 5.5 V, 2.5 MAX UNIT – 1.2 V 3.4 V 2.7 0.3 0.5 V VI = 7 V VI = 2.7 V 0.1 mA 20 µA VCC = 5.5 V, VCC = 5.5 V, VI = 0.5 V VO = 0 – 0.6 mA VCC = 5.5 V, VCC = 5.5 V, VI = 0 VI = 4.5 V – 60 –150 mA 4.6 6.5 mA ICCL 7.3 † All typical values are at VCC = 5 V, TA = 25°C. ‡ Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second. 9.5 mA switching characteristics (see Note 2) PARAMETER tPLH tPHL FROM (INPUT) A B, B C, C D, D E A, TO (OUTPUT) Y VCC = 5 V, CL = 50 pF, RL = 500 Ω, TA = 25°C VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX§ MIN TYP MAX MIN MAX 1.7 4 5.5 1.2 6.5 1 2.5 4 1 4.5 § For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. NOTE 2: Load circuits and waveforms are shown in Section 1. 2–2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 UNIT ns IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those pertaining to warranty, patent infringement, and limitation of liability. TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily performed, except those mandated by government requirements. CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL APPLICATIONS”). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER’S RISK. In order to minimize risks associated with the customer’s applications, adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards. TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other intellectual property right of TI covering or relating to any combination, machine, or process in which such semiconductor products or services might be or are used. TI’s publication of information regarding any third party’s products or services does not constitute TI’s approval, warranty or endorsement thereof. Copyright 1998, Texas Instruments Incorporated