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74F20 Dual 4-Input NAND Gate April 1988 Revised July 1999 74F20 Dual 4-Input NAND Gate General Description This device contains two independent gates, each of which performs the logic NAND function. Ordering Code: Order Number 74F20SC 74F20SJ 74F20PC Package Number M14A M14D N14A Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Devices also available in Tape and Reel. Specify by appending the suffix letter "X" to the ordering code. Logic Symbol IEEE/IEC Connection Diagram Unit Loading/Fan Out U.L. Pin Names An, Bn, Cn, Dn On Description HIGH/LOW Inputs Outputs 1.0/1.0 50/33.3 Input IIH/I IL Output I OH/IOL 20 A/-0.6 mA -1 mA/20 mA (c) 1999 Fairchild Semiconductor Corporation DS009462 www.fairchildsemi.com 74F20 Absolute Maximum Ratings(Note 1) Storage Temperature Ambient Temperature under Bias Junction Temperature under Bias VCC Pin Potential to Ground Pin Input Voltage (Note 2) Input Current (Note 2) Voltage Applied to Output in HIGH State (with VCC = 0V) Standard Output 3-STATE Output Current Applied to Output in LOW State (Max) twice the rated IOL (mA) -0.5V to VCC -0.5V to +5.5V -65C to +150C -55C to +125C -55C to +150C -0.5V to +7.0V -0.5V to +7.0V -30 mA to +5.0 mA Recommended Operating Conditions Free Air Ambient Temperature Supply Voltage 0C to +70C +4.5V to +5.5V 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 VIH VIL VCD VOH VOL IIH IBVI ICEX VID IOD IIL IOS ICCH ICCL Parameter Input HIGH Voltage Input LOW Voltage Input Clamp Diode Voltage Output HIGH Voltage Output LOW Voltage Input HIGH Current Input HIGH Current Breakdown Test Output HIGH Leakage Current Input Leakage Test Output Leakage Circuit Current Input LOW Current Output Short-Circuit Current Power Supply Current Power Supply Current -60 0.9 3.4 4.75 3.75 -0.6 -150 1.4 5.1 10% VCC 5% VCC 10% VCC 2.5 2.7 0.5 5.0 7.0 50 V A A A V A mA mA mA mA Min Max Max Max 0.0 0.0 Max Max Max Max Min 2.0 0.8 -1.2 Typ Max Units V V V V Min Min VCC Conditions Recognized as a HIGH Signal Recognized as a LOW Signal IIN = -18 mA IOH = -1 mA IOH = -1 mA IOL = 20 mA VIN = 2.7V VIN = 7.0V VOUT = VCC IID = 1.9 A All other pins grounded VIOD = 150 mV All other pins grounded VIN = 0.5V VOUT = 0V VO = HIGH VO = LOW AC Electrical Characteristics TA = +25C Symbol Parameter Min tPLH tPHL Propagation Delay An, Bn, Cn, Dn to On 2.4 1.5 VCC = +5.0V CL = 50 pF Typ 3.7 3.2 Max 5.0 4.3 TA = -55 to +125C VCC = +5.0V CL = 50 pF Min 2.0 1.5 Max 7.0 6.5 TA = 0C to +70C VCC = +5.0V CL = 50 pF Min 2.4 1.5 Max 6.0 5.3 ns Units www.fairchildsemi.com 2 74F20 Physical Dimensions inches (millimeters) unless otherwise noted 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow Package Number M14A 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package Number M14D 3 www.fairchildsemi.com 74F20 Dual 4-Input NAND Gate Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Package Number N14A Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications. LIFE SUPPORT POLICY FAIRCHILD'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 FAIRCHILD 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 (c) 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. www.fairchildsemi.com 4 2. A critical component in 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. www.fairchildsemi.com This datasheet has been download from: www..com Datasheets for electronics components. |
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