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Datasheet File OCR Text: |
74AC20 Dual 4-Input NAND Gate November 1988 Revised February 2005 74AC20 Dual 4-Input NAND Gate General Description The AC20 contains four 4-input NAND gates. Features s ICC reduced by 50% s Outputs source/sink 24 mA Ordering Code: Order Number 74AC20SC 74AC20SJ 74AC20MTC 74AC20MTC_NL (Note 1) 74AC20PC Package Number M14A M14D MTC14 MTC14 N14A Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow Pb-Free 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Pb-Free 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Device also available in Tape and Reel. Specify by appending suffix letter "X" to the ordering code. Pb-Free package per JEDEC J-STD-020B. Note 1: "_NL" indicates Pb-Free package (per JEDEC J-STD-020B). Logic Symbol IEEE/IEC Connection Diagram Pin Descriptions Pin Names An, Bn, Cn, Dn On Description Inputs Outputs FACT is a trademark of Fairchild Semiconductor Corporation. (c) 2005 Fairchild Semiconductor Corporation DS009918 www.fairchildsemi.com 74AC20 Absolute Maximum Ratings(Note 2) Supply Voltage (VCC) DC Input Diode Current (IIK) VI VI 0.5V to 7.0V 20 mA 20 mA 0.5V to VCC 0.5V 20 mA 20 mA 0.5V to VCC 0.5V r 50 mA r 50 mA 65qC to 150qC 140qC Recommended Operating Conditions Supply Voltage (VCC) Input Voltage (VI) Output Voltage (VO) Operating Temperature (TA) Minimum Input Edge Rate ('V/'t) VIN from 30% to 70% of VCC VCC @ 3.3V, 4.5V, 5.5V 2.0V to 6.0V 0V to VCC 0V to VCC 0.5V VCC 0.5V DC Input Voltage (VI) DC Output Diode Current (IOK) VO VO 40qC to 85qC 125 mV/ns 0.5V VCC 0.5V DC Output Voltage (VO) DC Output Source or Sink Current (IO) DC VCC or Ground Current per Output Pin (ICC or IGND) Storage Temperature (TSTG) Junction Temperature (TJ) PDIP Note 2: Absolute maximum ratings are those values beyond which damage to the device may occur. The databook specifications should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, and output/input loading variables. Fairchild does not recommend operation of FACT circuits outside databook specifications. DC Electrical Characteristics Symbol VIH Parameter Minimum HIGH Level Input Voltage VIL Maximum LOW Level Input Voltage VOH Minimum HIGH Level Output Voltage VCC (V) 3.0 4.5 5.5 3.0 4.5 5.5 3.0 4.5 5.5 3.0 4.5 5.5 VOL Maximum LOW Level Output Voltage 3.0 4.5 5.5 3.0 4.5 5.5 IIN (Note 5) IOLD IOHD ICC (Note 5) Maximum Input Leakage Current Minimum Dynamic Output Current (Note 4) Maximum Quiescent Supply Current 5.5 5.5 5.5 2.0 75 mA mA VOLD VOHD VIN or GND 1.65V Max 3.85V Min VCC 5.5 0.002 0.001 0.001 TA Typ 1.5 2.25 2.75 1.5 2.25 2.75 2.99 4.49 5.49 2.1 3.15 3.85 0.9 1.35 1.65 2.9 4.4 5.4 2.56 3.86 4.86 0.1 0.1 0.1 0.36 0.36 0.36 25qC TA 40qC to 85qC 2.1 3.15 3.85 0.9 1.35 1.65 2.9 4.4 5.4 Units VOUT V Conditions 0.1V Guaranteed Limits or VCC 0.1V VOUT V 0.1V or VCC 0.1V V IOUT VIN 50 PA VIL or VIH 2.46 3.76 4.76 0.1 0.1 0.1 V V IOH IOH IOH IOUT VIN 12 mA 24 mA 24 mA (Note 3) 50 PA VIL or VIH 12 mA 24 mA 24 mA (Note 3) VCC, GND 0.44 0.44 0.44 V IOL IOL IOL VI r 0.1 r 1.0 PA 75 20.0 PA Note 3: All outputs loaded; thresholds on input associated with output under test. Note 4: Maximum test duration 2.0 ms, one output loaded at a time. Note 5: IIN and ICC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC. www.fairchildsemi.com 2 74AC20 AC Electrical Characteristics VCC Symbol tPLH tPHL Parameter Propagation Delay Propagation Delay (V) (Note 6) 3.3 5.0 3.3 5.0 Note 6: Voltage Range 3.3 is 3.3V r 0.3V Voltage Range 5.0 is 5.0V r 0.5V TA CL Min 2.0 1.5 1.5 1.5 25qC 50 pF Typ 6.0 5.0 5.0 4.0 Max 8.5 7.0 7.0 6.0 TA 40qC to 85qC CL 50 pF Max 10.0 8.0 9.0 7.0 ns ns Units Min 1.5 1.0 1.0 1.0 Capacitance Symbol CIN CPD Parameter Input Capacitance Power Dissipation Capacitance Typ 4.5 40.0 Units pF pF VCC VCC OPEN 5.0V Conditions 3 www.fairchildsemi.com 74AC20 Physical Dimensions inches (millimeters) unless otherwise noted 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow Package Number M14A www.fairchildsemi.com 4 74AC20 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Pb-Free 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package Number M14D 5 www.fairchildsemi.com 74AC20 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Package Number MTC14 www.fairchildsemi.com 6 74AC20 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. 7 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 www.fairchildsemi.com |
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