HEX SCHMITT-TRIGGER INVERTERS

www.DataSheet4U.com SN54HCT14, SN74HCT14 HEX SCHMITT-TRIGGER INVERTERS SCLS225E – JULY 1995 – REVISED JULY 2003 D D D D Operating Voltage Range of 4.5 V to 5.5 V Outputs Can Drive Up To 10 LSTTL Loads Low Power Consumption, 20-µA Max ICC Typical tpd = 18 ns SN54HCT14 . . . J OR W PACKAGE SN74HCT14 . . . D, DB, DGV, N, OR PW PACKAGE (TOP VIEW) D D D ±4-mA Output Drive at 5 V Low Input Current of 1 µA Max Inputs Are TTL-Voltage Compatible SN54HCT14 . . . FK PACKAGE (TOP VIEW) 1A 1Y 2A 2Y 3A 3Y GND 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VCC 6A 6Y 5A 5Y 4A 4Y 1Y 1A NC VCC 6A 2A NC 2Y NC 3A 4 5 6 7 8 3 2 1 20 19 18 17 16 15 14 9 10 11 12 13 6Y NC 5A NC 5Y NC – No internal connection description/ordering information The ’HCT14 devices contain six independent inverters. The devices perform the Boolean function Y = A in positive logic. ORDERING INFORMATION TA PDIP – N SOIC – D –40°C to 85°C 40°C SSOP – DB TSSOP – PW TVSOP – DGV CDIP – J –55°C to 125°C CFP – W LCCC – FK PACKAGE† Tube of 25 Tube of 50 Reel of 2500 Reel of 250 Reel of 2000 Reel of 2000 Reel of 250 Reel of 2000 Tube of 25 Tube of 150 Tube of 55 ORDERABLE PART NUMBER SN74HCT14N SN74HCT14D SN74HCT14DR SN74HCT14DT SN74HCT14DBR SN74HCT14PWR SN74HCT14PWT SN74HCT14DGVR SNJ54HCT14J SNJ54HCT14W SNJ54HCT14FK HT14 HT14 HT14 SNJ54HCT14J SNJ54HCT14W HCT14 TOP-SIDE MARKING SN74HCT14N SNJ54HCT14FK † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. FUNCTION TABLE (each inverter) INPUT A H L OUTPUT Y L H Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Copyright  2003, Texas Instruments Incorporated On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters. 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 3Y GND NC 4Y 4A 1 www.DataSheet4U.com SN54HCT14, SN74HCT14 HEX SCHMITT-TRIGGER INVERTERS logic diagram (positive logic) A Y SCLS225E – JULY 1995 – REVISED JULY 2003 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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to VCC + 0.5 V Output voltage range, VO (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to VCC + 0.5 V Input clamp current, IIK (VI < 0 or VI > VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA Output clamp current, IOK (VO < 0 or VO > VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±25 mA Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA Package thermal impedance, θJA (see Note 2): D package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86°C/W DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96°C/W DGV package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127°C/W N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80°C/W PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113°C/W Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –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. NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. The package thermal impedance is calculated in accordance with JESD 51-7. recommended operating conditions (see Note 3) SN54HCT14 MIN VCC VI VO TA Supply voltage Input voltage Output voltage Operating free-air temperature 4.5 0 0 –55 MAX 5.5 VCC VCC 125 SN74HCT14 MIN 4.5 0 0 –40 MAX 5.5 VCC VCC 85 UNIT V V V °C NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 www.DataSheet4U.com SN54HCT14, SN74HCT14 HEX SCHMITT-TRIGGER INVERTERS SCLS225E – JULY 1995 – REVISED JULY 2003 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER VT+ Positive-going Positive going threshold VT– Negative-going Negative going threshold ∆VT Hysteresis (VT+ – VT–) VOH VOL II ICC ∆ICC† IOH = –20 µA IOH = –4 mA IOL = 20 µA IOL = 4 mA VI = VCC or GND VI = VCC or GND, IO = 0 One input at 0.5 V or 2.4 V, Other inputs at GND or VCC TEST CONDITIONS VCC 4.5 V 5.5 V 4.5 V 5.5 V 4.5 V 5.5 V 4.5 V 4.5 V 4.5 V 4.5 V 5.5 V 5.5 V 5.5 V 0.2 MIN 1.2 1.4 0.5 0.6 0.4 0.4 4.4 3.98 TA = 25°C TYP MAX 1.5 1.7 0.9 1 0.6 0.65 4.49 4.3 0.001 0.17 0.1 0.26 ±0.1 2 2.4 1.9 2.1 1.2 1.4 1.4 1.5 SN54HCT14 MIN 1.2 1.4 0.5 0.6 0.4 0.4 4.4 3.7 0.1 0.4 ±1 40 3 MAX 1.9 2.1 1.2 1.4 1.4 1.5 SN74HCT14 MIN 1.2 1.4 0.5 0.6 0.4 0.4 4.4 3.84 0.1 0.33 ±1 20 2.9 10 MAX 1.9 V 2.1 1.2 V 1.4 1.4 V 1.5 V V µA µA mA pF UNIT Ci VI = VCC or GND 5V 3 10 10 † This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather than 0 V or VCC. switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER tpd d tt FROM (INPUT) A TO (OUTPUT) Y Y VCC 4.5 V 5.5 V 4.5 V 5.5 V MIN TA = 25°C TYP MAX 20 18 7 6 32 30 15 14 SN54HCT14 MIN MAX 48 45 22 20 SN74HCT14 MIN MAX 40 38 19 17 UNIT ns ns operating characteristics, TA = 25°C PARAMETER Cpd Power dissipation capacitance TEST CONDITIONS No load TYP 10 UNIT pF POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3 www.DataSheet4U.com SN54HCT14, SN74HCT14 HEX SCHMITT-TRIGGER INVERTERS PARAMETER MEASUREMENT INFORMATION From Output Under Test Test Point CL = 50 pF (see Note A) In-Phase Output 3V Input 1.3 V tPLH 1.3 V 10% tPHL Out-of-Phase Output 90% 1.3 V 10% tf 90% tr 90% 90% VCC 1.3 V 10% 0 V tf tPLH 1.3 V 10% 90% tr VOH VOL 1.3 V 0V tPHL 90% VOH 1.3 V 10% V OL tf SCLS225E – JULY 1995 – REVISED JULY 2003 LOAD CIRCUIT Input 1.3 V 10% tr VOLTAGE WAVEFORM INPUT RISE AND FALL TIMES VOLTAGE WAVEFORMS PROPAGATION DELAY AND OUTPUT RISE AND FALL TIMES NOTES: A. CL includes probe and test-fixture capacitance. B. Phase relationships between waveforms were chosen arbitrarily. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, ZO = 50 Ω, tr = 6 ns, tf = 6 ns. C. The outputs are measured one at a time with one input transition per measurement. D. tPLH and tPHL are the same as tpd. Figure 1. Load Circuit and Voltage Waveforms 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 www.DataSheet4U.com SN54HCT14, SN74HCT14 HEX SCHMITT-TRIGGER INVERTERS SCLS225E – JULY 1995 – REVISED JULY 2003 TYPICAL CHARACTERISTICS SUPPLY CURRENT vs INPUT VOLTAGE 0.5 VCC = 4.5 V 0.45 0.4 I CC – Supply Current – mA 0.35 0.3 0.25 VI = VCC to 0 0.2 0.15 0.1 VI = 0 to VCC I CC – Supply Current – mA 0.45 0.4 0.35 VI = VCC to 0 0.3 0.25 0.2 0.15 0.1 VI = 0 to VCC 0.5 VCC = 5.5 V SUPPLY CURRENT vs INPUT VOLTAGE 0.05 0 0 0.45 0.9 1.35 1.8 2.26 2.7 VI – Input Voltage – V 3.16 3.61 4 OUTPUT VOLTAGE vs INPUT VOLTAGE 6 VCC = 4.5 V 5 VO – Output Voltage – V VO – Output Voltage – V 5 6 4 VI = Down 3 VI = Up 2 1 0 –1 0 0.75 1.5 2.27 3 3.77 VI – Input Voltage – V POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 ÁÁ ÁÁ ÁÁ ÁÁ 0.05 0 0 0.55 1.1 1.66 2.2 2.76 3.3 VI – Input Voltage – V 3.86 4.4 4.97 OUTPUT VOLTAGE vs INPUT VOLTAGE VCC = 5.5 V 4 VI = Down 3 VI = Up 2 1 0 –1 0 0.92 1.84 2.76 3.68 4.6 VI – Input Voltage – V 5 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment. TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily performed. TI assumes no lia