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74AC14 * 74ACT14 Hex Inverter with Schmitt Trigger Input
November 1988 Revised December 1999
74AC14 * 74ACT14 Hex Inverter with Schmitt Trigger Input
General Description
The 74AC14 and 74ACT14 contain six inverter gates each with a Schmitt trigger input. They are capable of transforming slowly changing input signals into sharply defined, jitterfree output signals. In addition, they have a greater noise margin than conventional inverters. The 74AC14 and 74ACT14 have hysteresis between the positive-going and negative-going input thresholds (typically 1.0V) which is determined internally by transistor ratios and is essentially insensitive to temperature and supply voltage variations.
Features
s ICC reduced by 50% s Outputs source/sink 24 mA s 74ACT14 has TTL-compatible inputs
Ordering Code:
Order Number 74AC14SC 74AC14SJ 74AC14MTC 74AC14PC 74ACT14SC 74ACT14MTC 74ACT14PC Package Number M14A M14D MTC14 N14A M14A MTC14 N14A Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow Body 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MS-153, 4.4mm Wide 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow Body 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MS-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.
Logic Symbol
IEEE/IEC
Connection Diagram
Function Table Pin Descriptions
Pin Names In On Description Inputs Outputs Input A L H Output O H L
FACT is a trademark of Fairchild Semiconductor Corporation.
(c) 1999 Fairchild Semiconductor Corporation
DS009917
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74AC14 * 74ACT14
Absolute Maximum Ratings(Note 1)
Supply Voltage (VCC) DC Input Diode Current (IIK) VI = -0.5V VI = VCC + 0.5V DC Input Voltage (VI) DC Output Diode Current (IOK) VO = -0.5V VO = 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 140C 50 mA -65C to +150C 50 mA -20 mA +20 mA -0.5V to VCC + 0.5V -20 mA +20 mA -0.5V to VCC + 0.5V -0.5V to +7.0V
Recommended Operating Conditions
Supply Voltage (VCC) AC ACT Input Voltage (VI) Output Voltage (VO) Operating Temperature (TA) 2.0V to 6.0V 4.5V to 5.5V 0V to VCC 0V to VCC -40C to +85C
Note 1: 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 for AC
Symbol VOH Parameter Minimum HIGH Level Output Voltage VCC (V) 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 4) Maximum Input Leakage Current Vt+ Maximum Positive Threshold Vt- Minimum Negative Threshold VH(MAX) Maximum Hysteresis 5.5 3.0 4.5 5.5 3.0 4.5 5.5 3.0 4.5 5.5 VH(MIN) Minimum Hysteresis 3.0 4.5 5.5 IOLD IOHD ICC (Note 4) Minimum Dynamic Output Current (Note 3) Maximum Quiescent Supply Current 5.5 5.5 5.5 2.0 0.002 0.001 0.001 TA = +25C Typ 2.99 4.49 5.49 4.4 5.4 2.56 3.86 4.86 0.1 0.1 0.1 0.36 0.36 0.36 0.1 2.2 3.2 3.9 0.5 0.9 1.1 1.2 1.4 1.6 0.3 0.4 0.5 2.9 TA = -40C to +85C Guaranteed Limits 2.9 4.4 5.4 2.46 3.76 4.76 0.1 0.1 0.1 0.44 0.44 0.44 1.0 2.2 3.2 3.9 0.5 0.9 1.1 1.2 1.4 1.6 0.3 0.4 0.5 75 -75 20.0 mA mA A VOLD = 1.65V Max VOHD = 3.85V Min VIN = VCC or GND V TA = Worst Case V TA = Worst Case V TA = Worst Case V TA = Worst Case A V IOL = 12 IOL 24 mA IOL = 24 mA (Note 2) VI = VCC, GND V IOUT = 50 A V IOH = 12 IOH = 24 mA IOH = 24 mA (Note 2) V IOUT = -50 A Units Conditions
Note 2: All outputs loaded; thresholds on input associated with output under test. Note 3: Maximum test duration 2.0 ms, one output loaded at a time. Note 4: IIN and ICC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC.
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74AC14 * 74ACT14
AC Electrical Characteristics for AC
VCC Symbol Parameter (V) (Note 5) tPLH tPHL Propagation Delay Propagation Delay 3.3 5.0 3.3 5.0
Note 5: Voltage Range 3.3 is 3.3V 0.3V Voltage Range 5.0 is 5.0V 0.5V
TA = +25C CL = 50 pF Min 1.5 1.5 1.5 1.5 Typ 9.5 7.0 7.5 6.0 Max 13.5 10.0 11.5 8.5
TA = -40C to +85C CL = 50 pF Min 1.5 1.5 1.5 1.5 Max 15.0 11.0 13.0 9.5 ns ns Units
DC Electrical Characteristics for ACT
Symbol VIH VIL VOH Parameter Minimum HIGH Level Input Voltage Maximum LOW Level Output Voltage Minimum HIGH Level Output Voltage VCC (V) 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 VOL Maximum LOW Level Output Voltage 4.5 5.5 4.5 5.5 IIN VH(MAX) VH(MIN) Vt+ Vt- ICCT IOLD IOHD ICC Maximum Input Leakage Current Maximum Hysteresis Minimum Hysteresis Maximum Positive Threshold Minimum Negative Threshold Maximum ICC/Input Minimum Dynamic Output Current (Note 7) Maximum Quiescent Supply Current 5.5 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 5.5 5.5 5.5 5.5 2.0 0.6 0.001 0.001 TA = +25C Typ 1.5 1.5 1.5 1.5 4.49 5.49 2.0 2.0 0.8 0.8 434 5.4 3.86 4.86 0.1 0.1 0.36 0.36 0.1 1.4 1.6 0.4 0.5 2.0 2.0 0.8 0.8 TA = -40C to +85C Guaranteed Limits 2.0 2.0 0.8 0.8 4.4 5.4 3.76 4.76 0.1 0.1 0.44 0.44 1.0 1.4 1.6 0.4 0.5 2.0 2.0 0.8 0.8 1.5 75 -75 20.0 A V V V V mA mA mA A V Units V V V Conditions VOUT = 0.1V or VCC - 0.1V VOUT = 0.1V or VCC - 0.1V IOUT = -50A VIN = VIL or VIH V IOH = -24 mA IOH = -24 mA (Note 6) IOUT = 50 A VIN = VIL or VIH V IOL = 24 mA IOL = 24 mA (Note 6) VI = VCC, GND TA = Worst Case TA = Worst Case TA = Worst Case TA = Worst Case VI = VCC - 2.1V VOLD = 1.65V Max VOHD = 3.85V Min VIN = VCC or GND
Note 6: All outputs loaded; thresholds on input associated with output under test. Note 7: Maximum test duration 2.0 ms, one output loaded at a time.
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74AC14 * 74ACT14
AC Electrical Characteristics for ACT
VCC Symbol Parameter (V) (Note 8) tPLH tPHL Propagation Delay Data to Output Propagation Delay Data to Output
Note 8: Voltage Range 5.0 is 5.0V 0.5V
TA = +25C CL = 50 pF Min 3.0 3.0 Typ 8.0 8.0 Max 10.0 10.0
TA = -40C to +85C CL = 50 pF Min 3.0 3.0 Max 11.0 11.0 ns ns Units
5.0 5.0
Capacitance
Symbol CIN CPD Parameter Input Capacitance Power Dissipation Capacitance for AC for ACT Typ 4.5 25.0 80 Units pF pF VCC = OPEN VCC = 5.0V Conditions
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74AC14 * 74ACT14
Physical Dimensions inches (millimeters) unless otherwise noted
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow Body Package Number M14A
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74AC14 * 74ACT14
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package Number M14D
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74AC14 * 74ACT14
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
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74AC14 * 74ACT14 Hex Inverter with Schmitt Trigger Input
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 8 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

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