74V1T70 SINGLE BUFFER ■ ■ ■ ■ ■ ■ ■ ■ HIGH SPEED: tPD =3.6ns (TYP.) at VCC = 5V LOW POWER DISSIPATION: ICC = 1µA(MAX.) at TA=25°C COMPATIBLE WITH TTL OUTPUTS: VIH = 2V (MIN), VIL = 0.8V (MAX) POWER DOWN PROTECTION ON INPUT SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 8mA (MIN) at VCC = 4.5V BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL OPERATING VOLTAGE RANGE: VCC(OPR) = 4.5V to 5.5V IMPROVED LATCH-UP IMMUNITY DESCRIPTION The 74V1T70 is an advanced high-speed CMOS SINGLE BUFFER fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. The internal circuit is composed of 2 stages including buffer output, which provide high noise immunity and stable output. SOT23-5L SOT323-5L ORDER CODES PACKAGE T&R SOT23-5L SOT323-5L 74V1T70STR 74V1T70CTR Power down protection is provided on input and 0 to 7V can be accepted on input with no regard to the supply voltage. This device can be used to interface 5V to 3V. PIN CONNECTION AND IEC LOGIC SYMBOLS July 2001 1/9 74V1T70 INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL 1 2 4 3 NC 1A 1Y GND VCC 5 NAME AND FUNCTION Not Connected Data Input Data Output Ground (0V) Positive Supply Voltage TRUTH TABLE A Y L H L H ABSOLUTE MAXIMUM RATINGS Symbol V CC Parameter Value Unit Supply Voltage -0.5 to +7.0 V VI DC Input Voltage -0.5 to +7.0 V VO DC Output Voltage -0.5 to VCC + 0.5 V IIK DC Input Diode Current - 20 mA IOK DC Output Diode Current ± 20 mA IO DC Output Current ± 25 mA ICC or IGND DC VCC or Ground Current Tstg Storage Temperature TL Lead Temperature (10 sec) ± 50 mA -65 to +150 °C 260 °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 Parameter Supply Voltage Unit 4.5 to 5.5 V VI Input Voltage 0 to 5.5 V VO Output Voltage 0 to VCC V Top Operating Temperature dt/dv Input Rise and Fall Time (note 1) (VCC = 5.0 ± 0.5V) 1) VIN from 0.8V to 2V 2/9 Value -55 to 125 °C 0 to 20 ns/V 74V1T70 DC SPECIFICATIONS Test Condition Symbol Parameter TA = 25°C VCC (V) Min. High Level Input Voltage Low Level Input Voltage High Level Output Voltage 4.5 to 5.5 4.5 to 5.5 VOL Low Level Output Voltage 4.5 IO=8 mA II Input Leakage Current Quiescent Supply Current Additional Worst Case Supply Current VIH V IL VOH ICC ICC Value Typ. Max. 2 -40 to 85°C -55 to 125°C Min. Min. 2 0.8 4.5 IO=-50 µA 4.4 4.5 IO=-8 mA 3.94 4.5 IO=50 µA Max. 4.5 4.4 0.1 V 0.8 4.4 3.8 0.0 Max. 2 0.8 Unit V V 3.7 0.1 0.1 V 0.36 0.44 0.55 ± 0.1 ± 1.0 ± 1.0 µA VI = VCC or GND 1 10 20 µA One Input at 3.4V, other input at VCC or GND 1.35 1.5 1.5 mA 0 to 5.5 VI = 5.5V or GND 5.5 5.5 AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3ns) Test Condition Value TA = 25°C Symbol Parameter VCC (V) CL (pF) Typ. tPLH tPHL Propagation Delay Time 5.0 (*) 15 3.6 5.0 (*) 50 4.0 Min. -40 to 85°C -55 to 125°C Max. Min. Max. Min. Max. 6.0 1.0 7.0 1.0 8.0 6.5 1.0 7.5 1.0 8.5 Unit ns (*) Voltage range is 5.0V ± 0.5V CAPACITIVE CHARACTERISTICS Test Condition Symbol Value TA = 25°C Parameter Typ. Max. CIN Input Capacitance Min. 4 10 C PD Power Dissipation Capacitance (note 1) 14 -40 to 85°C -55 to 125°C Min. Min. Max. 10 Unit Max. 10 pF 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 3/9 74V1T70 TEST CIRCUIT C L =15/50pF or equivalent (includes jig and probe capacitance) R T = ZOUT of pulse generator (typically 50Ω) WAVEFORM: PROPAGATION DELAY (f=1MHz; 50% duty cycle) 4/9 74V1T70 SOT23-5L MECHANICAL DATA mm. mils DIM. MIN. TYP MAX. MIN. TYP. MAX. A 0.90 1.45 35.4 57.1 A1 0.00 0.15 0.0 5.9 A2 0.90 1.30 35.4 51.2 b 0.35 0.50 13.7 19.7 C 0.09 0.20 3.5 7.8 D 2.80 3.00 110.2 118.1 E 2.60 3.00 102.3 118.1 E1 1.50 1.75 59.0 68.8 e 0.95 37.4 e1 1.9 74.8 L 0.35 0.55 13.7 21.6 5/9 74V1T70 SOT323-5L MECHANICAL DATA mm. mils DIM. MIN. MAX. MIN. TYP. MAX. A 0.80 1.10 31.5 43.3 A1 0.00 0.10 0.0 3.9 A2 0.80 1.00 31.5 39.4 b 0.15 0.30 5.9 11.8 C 0.10 0.18 3.9 7.1 D 1.80 2.20 70.9 86.6 E 1.80 2.40 70.9 94.5 E1 1.15 1.35 45.3 53.1 e 0.65 25.6 e1 1.3 51.2 L 6/9 TYP 0.10 0.30 3.9 11.8 74V1T70 Tape & Reel SOT23-xL MECHANICAL DATA mm. inch DIM. MIN. TYP A MAX. MIN. TYP. 180 13.0 7.086 C 12.8 D 20.2 0.795 N 60 2.362 T 13.2 MAX. 0.504 0.512 14.4 0.519 0.567 Ao 3.13 3.23 3.33 0.123 0.127 0.131 Bo 3.07 3.17 3.27 0.120 0.124 0.128 Ko 1.27 1.37 1.47 0.050 0.054 0.0.58 Po 3.9 4.0 4.1 0.153 0.157 0.161 P 3.9 4.0 4.1 0.153 0.157 0.161 7/9 74V1T70 Tape & Reel SOT323-xL MECHANICAL DATA mm. inch DIM. MIN. TYP MAX. MIN. TYP. MAX. A 175 180 185 6.889 7.086 7.283 C 12.8 13 13.2 0.504 0.512 0.519 D 20.2 N 59.5 0.795 60 T 8/9 60.5 2.362 14.4 0.567 Ao 2.25 0.088 Bo 2.7 0.106 Ko 1.2 0.047 Po 3.98 4 4.2 0.156 0.157 0.165 P 3.98 4 4.2 0.156 0.157 0.165 74V1T70 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. 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