74AC14 HEX SCHMITT INVERTER ■ ■ ■ ■ ■ ■ ■ ■ HIGH SPEED: tPD = 4.5ns (TYP.) at VCC = 5V LOW POWER DISSIPATION: ICC = 4µA(MAX.) at TA=25°C 50Ω TRASMISSION LINE DRIVING CAPABILITY SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 24mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 14 IMPROVED LATCH-UP IMMUNITY DESCRIPTION The 74AC14 is an advanced high-speed CMOS HEX SCHMITT TRIGGER INVERTER fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. The internal circuit is composed of 3 stages including buffer output, which enables high noise immunity and stable output. DIP SOP TSSOP ORDER CODES PACKAGE TUBE DIP SOP TSSOP 74AC14B 74AC14M T&R 74AC14MTR 74AC14TTR This together with its schmitt trigger function allows it to be used on line receivers with slow rise/fall input signals. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. PIN CONNECTION AND IEC LOGIC SYMBOLS July 2001 1/8 74AC14 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL 1, 3, 5, 9, 11, 13 2, 4, 6, 8, 10, 12 7 NAME AND FUNCTION 1A to 6A Data Inputs 1Y to 6Y Data Outputs GND VCC Ground (0V) 14 Positive Supply Voltage TRUTH TABLE A Y L H H L ABSOLUTE MAXIMUM RATINGS Symbol V CC Parameter Supply Voltage Value Unit -0.5 to +7 V VI DC Input Voltage -0.5 to VCC + 0.5 V VO DC Output Voltage -0.5 to VCC + 0.5 ± 20 V mA IIK DC Input Diode Current IOK DC Output Diode Current ± 20 mA IO DC Output Current ± 50 mA ICC or IGND DC VCC or Ground Current Storage Temperature Tstg TL Lead Temperature (10 sec) ± 300 mA -65 to +150 °C 300 °C Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied. RECOMMENDED OPERATING CONDITIONS Symbol V CC 2/8 Parameter Supply Voltage Value Unit 2 to 6 V VI Input Voltage 0 to VCC V VO Output Voltage 0 to VCC V Top Operating Temperature -55 to 125 °C 74AC14 DC SPECIFICATIONS Test Condition Symbol Vt+ Vt- Vh VOH VOL II ICC IOLD IOHD Parameter High Level Input Voltage Low Level Input Voltage Hysteresis Voltage High Level Output Voltage Low Level Output Voltage Input Leakage Current Quiescent Supply Current Dynamic Output Current (note 1, 2) Value TA = 25°C VCC (V) Min. 3.0 4.5 5.5 3.0 TA=Worst Case Typ. Max. 2.2 3.2 3.9 -40 to 85°C -55 to 125°C Min. Min. Max. 2.2 3.2 3.9 Max. 2.2 3.2 3.9 V 0.5 0.5 0.5 0.9 1.1 1.2 1.4 1.6 0.9 1.1 1.2 1.4 1.6 0.9 1.1 1.2 1.4 1.6 4.5 5.5 3.0 4.5 5.5 TA=Worst Case TA=Worst Case 0.3 0.4 0.5 3.0 IO=-50 µA 2.9 2.99 2.9 2.9 0.3 0.4 0.5 4.5 IO=-50 µA 4.4 4.49 4.4 4.4 5.5 IO=-50 µA 5.4 5.49 5.4 5.4 3.0 IO =-12 mA 2.56 2.46 2.46 4.5 IO =-24 mA 3.86 3.76 3.76 4.86 Unit V V V 5.5 IO =-24 mA 3.0 IO=50 µA 0.002 0.1 0.1 0.1 4.5 IO=50 µA 0.001 0.1 0.1 0.1 5.5 IO=50 µA 0.001 0.1 0.1 0.1 3.0 IO =12 mA 0.36 0.44 0.44 4.5 IO =24 mA 0.36 0.44 0.44 5.5 IO =24 mA 0.36 0.44 0.44 5.5 VI = VCC or GND ± 0.1 ±1 ±1 µA 5.5 VI = VCC or GND 4 40 40 µA 5.5 4.76 4.76 V VOLD = 1.65 V max 75 50 mA VOHD = 3.85 V min -75 -50 mA 1) Maximum test duration 2ms, one output loaded at time 2) Incident wave switching is guaranteed on transmission lines with impedances as low as 50Ω AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns) Test Condition Symbol Parameter tPLH tPHL Propagation Delay Time VCC (V) Value TA = 25°C -40 to 85°C -55 to 125°C Min. Typ. Max. Min. Max. Min. Max. 3.3 (*) 1.5 6.0 11.0 1.0 15.0 1.0 16.0 (**) 1.5 4 8.0 1.0 11.0 1.0 12.0 5.0 Unit ns (*) Voltage range is 3.3V ± 0.3V (**) Voltage range is 5.0V ± 0.5V 3/8 74AC14 CAPACITIVE CHARACTERISTICS Test Condition Symbol Parameter TA = 25°C VCC (V) CIN Input Capacitance 5.0 C PD Power Dissipation Capacitance (note 1) 5.0 Value Min. fIN = 10MHz Typ. Max. -40 to 85°C -55 to 125°C Min. Min. Max. Unit Max. 4 pF 35 pF 1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/6 (per gate) TEST CIRCUIT C L = 50pF or equivalent (includes jig and probe capacitance) R L = R1 = 500Ω or equivalent R T = ZOUT of pulse generator (typically 50Ω) WAVEFORM: PROPAGATION DELAYS (f=1MHz; 50% duty cycle) 4/8 74AC14 Plastic DIP-14 MECHANICAL DATA mm. inch DIM. MIN. a1 0.51 B 1.39 TYP MAX. MIN. TYP. MAX. 0.020 1.65 0.055 0.065 b 0.5 0.020 b1 0.25 0.010 D 20 0.787 E 8.5 0.335 e 2.54 0.100 e3 15.24 0.600 F 7.1 0.280 I 5.1 0.201 L Z 3.3 1.27 0.130 2.54 0.050 0.100 P001A 5/8 74AC14 SO-14 MECHANICAL DATA DIM. mm. MIN. TYP A a1 inch MAX. MIN. TYP. 1.75 0.1 0.068 0.2 a2 MAX. 0.003 0.007 1.65 0.064 b 0.35 0.46 0.013 0.018 b1 0.19 0.25 0.007 0.010 C 0.5 0.019 c1 45° (typ.) D 8.55 8.75 0.336 0.344 E 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 7.62 0.300 F 3.8 4.0 0.149 0.157 G 4.6 5.3 0.181 0.208 L 0.5 1.27 0.019 0.050 M S 0.68 0.026 8° (max.) PO13G 6/8 74AC14 TSSOP14 MECHANICAL DATA mm. inch DIM. MIN. TYP A MAX. MIN. TYP. MAX. 1.2 A1 0.05 A2 0.8 b 0.047 0.15 0.002 0.004 0.006 1.05 0.031 0.039 0.041 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.0089 D 4.9 5 5.1 0.193 0.197 0.201 E 6.2 6.4 6.6 0.244 0.252 0.260 E1 4.3 4.4 4.48 0.169 0.173 0.176 1 e 0.65 BSC K 0° L 0.45 A 0.60 0.0256 BSC 8° 0° 0.75 0.018 8° 0.024 0.030 A2 A1 b e K c L E D E1 PIN 1 IDENTIFICATION 1 0080337D 7/8 74AC14 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringe ment of patents or other righ ts of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this pub lication are subject to change without notice. Thi s pub lication supersedes and replaces all information previously supplied. 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