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| 74V1T126 SINGLE BUS BUFFER (3-STATE) s s s s s s s HIGH SPEED: tPD = 3.6ns (TYP.) at VCC = 5V LOW POWER DISSIPATION: ICC = 1A(MAX.) at TA=25C COMPATIBLE WITH TTL OUTPUTS: VIH = 2V (MIN), VIL = 0.8V (MAX) POWER DOWN PROTECTION ON INPUTS 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 SOT23-5L SOT323-5L ORDER CODES PACKAGE SOT23-5L SOT323-5L T&R 74V1T126STR 74V1T126CTR DESCRIPTION The 74V1T126 is an advanced high-speed CMOS SINGLE BUS BUFFER fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. 3-STATE control input G has to be set LOW to place the output into the high impedance state. Power down protection is provided on all inputs and 0 to 7V can be accepted on inputs with no regard to the supply voltage. This device can be used to interface 5V to 3V. PIN CONNECTION AND IEC LOGIC SYMBOLS April 2004 1/10 74V1T126 INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN N 1 2 4 3 5 SYMBOL 1G 1A 1Y GND VCC NAME AND FUNCTION Output Enable Input Data Input Data Output Ground (0V) Positive Supply Voltage TRUTH TABLE A X L H X : Don't Care Z : High Impedance G L H H Y Z L H ABSOLUTE MAXIMUM RATINGS Symbol VCC VI VO IIK IOK IO Tstg TL Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Current Storage Temperature Lead Temperature (10 sec) Parameter Value -0.5 to +7.0 -0.5 to +7.0 -0.5 to VCC + 0.5 - 20 20 25 50 -65 to +150 300 Unit V V V mA mA mA mA C C ICC or IGND DC VCC or Ground Current Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operations under these conditions is not implied RECOMMENDED OPERATING CONDITIONS Symbol VCC VI VO Top dt/dv Supply Voltage Input Voltage Output Voltage Operating Temperature Input Rise and Fall Time (note 1) (VCC = 5.0 0.5V) Parameter Value 4.5 to 5.5 0 to 5.5 0 to VCC -55 to 125 0 to 20 Unit V V V C ns/V 1) VIN from 0.8V to 2V 2/10 74V1T126 DC SPECIFICATIONS Test Condition Symbol Parameter VCC (V) 4.5 to 5.5 4.5 to 5.5 4.5 4.5 4.5 4.5 5.5 0 to 5.5 5.5 5.5 IO=-50 A IO=-8 mA IO=50 A IO=8 mA VI = VIH or VIL VO = VCC or GND VI = 5.5V or GND VI = VCC or GND One Input at 3.4V, other input at VCC or GND TA = 25C Min. 2 0.8 4.4 3.94 0.0 0.1 0.36 0.25 0.1 1 1.35 4.5 4.4 3.8 0.1 0.44 2.5 1.0 10 1.5 Typ. Max. Value -40 to 85C Min. 2 0.8 4.4 3.7 0.1 0.55 5.0 1.0 20 1.5 A A A mA V Max. -55 to 125C Min. 2 0.8 Max. V V V Unit VIH VIL VOH VOL IOZ High Level Input Voltage Low Level Input Voltage High Level Output Voltage Low Level Output Voltage High Impedance Output Leakage Current Input Leakage Current Quiescent Supply Current Additional Worst Case Supply Current II ICC +ICC AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3ns) Test Condition Symbol Parameter VCC (V) 5.0(*) 5.0 (*) Value TA = 25C Min. Typ. 3.6 3.9 3.8 4.1 4.3 4.7 Max. 6.0 6.5 5.0 7.0 7.0 7.5 -40 to 85C Min. 1.0 1.0 1.0 1.0 1.0 1.0 Max. 7.0 7.5 6.0 8.0 8.0 8.5 -55 to 125C Min. 1.0 1.0 1.0 1.0 1.0 1.0 Max. 8.0 8.5 7.0 9.0 9.0 9.5 ns Unit CL (pF) 15 50 15 50 15 50 tPLH tPHL tPLZ tPHZ tPZL tPZH Propagation Delay Time Output Disable Time Output Enable Time 5.0(*) 5.0(*) 5.0(*) 5.0 (*) ns ns (*) Voltage range is 5.0V 0.5V 3/10 74V1T126 CAPACITIVE CHARACTERISTICS Test Condition Symbol Parameter TA = 25C Min. CIN COUT CPD Input Capacitance Output Capacitance Power Dissipation Capacitance (note 1) Typ. 4 5 14 Max. 10 Value -40 to 85C Min. Max. 10 -55 to 125C Min. Max. 10 pF pF pF Unit 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 TEST CIRCUIT TEST tPLH, tPHL tPZL, tPLZ tPZH, tPHZ CL =15/50pF or equivalent (includes jig and probe capacitance) R1 = 1K or equivalent RT = ZOUT of pulse generator (typically 50) SWITCH Open VCC GND 4/10 74V1T126 WAVEFORM 1: PROPAGATION DELAYS (f=1MHz; 50% duty cycle) WAVEFORM 2: OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle) 5/10 74V1T126 SOT23-5L MECHANICAL DATA mm. DIM. MIN. A A1 A2 b C D E e H L 2.60 0.10 0.90 0.00 0.90 0.35 0.09 2.80 1.50 0.95 3.00 0.60 102.3 3.9 TYP MAX. 1.45 0.10 1.30 0.50 0.20 3.00 1.75 MIN. 35.4 0.0 35.4 13.7 3.5 110.2 59.0 37.4 118.1 23.6 TYP. MAX. 57.1 3.9 51.2 19.7 7.8 118.1 68.8 mils . 7049676C 6/10 74V1T126 SOT323-5L MECHANICAL DATA mm. DIM. MIN. A A1 A2 b C D E E1 e e1 L 0.10 0.80 0.00 0.80 0.15 0.10 1.80 1.80 1.15 0 .65 1.3 0.30 3.9 TYP MAX. 1.10 0.10 1.00 0.30 0.18 2.20 2.40 1.35 MIN. 31.5 0.0 31.5 5.9 3.9 70.9 70.9 45.3 25.6 51.2 11.8 TYP. MAX. 43.3 3.9 39.4 11.8 7.1 86.6 94.5 53.1 mils 7/10 74V1T126 Tape & Reel SOT23-xL MECHANICAL DATA mm. DIM. MIN. A C D N T Ao Bo Ko Po P 3.13 3.07 1.27 3.9 3.9 3.23 3.17 1.37 4.0 4.0 12.8 20.2 60 14.4 3.33 3.27 1.47 4.1 4.1 0.123 0.120 0.050 0.153 0.153 0.127 0.124 0.054 0.157 0.157 13.0 TYP MAX. 180 13.2 0.504 0.795 2.362 0.567 0.131 0.128 0.0.58 0.161 0.161 0.512 MIN. TYP. MAX. 7.086 0.519 inch 8/10 74V1T126 Tape & Reel SOT323-xL MECHANICAL DATA mm. DIM. MIN. A C D N T Ao Bo Ko Po P 3.9 3.8 2.25 2.7 1.2 4 4 4.1 4.2 0.153 0.149 175 12.8 20.2 59.5 60 60.5 14.4 0.088 0.106 0.047 0.157 0.157 0.161 0.165 TYP 180 13 MAX. 185 13.2 MIN. 6.889 0.504 0.795 2.362 0.567 TYP. 7.086 0.512 MAX. 7.283 0.519 inch 9/10 74V1T126 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 infringement of patents or other rights 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 publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners (c) 2004 STMicroelectronics - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States. http://www.st.com 10/10 |
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