74V1T126CTR STMicroelectronics

74V1T126 SINGLE BUS BUFFER (3-STATE) HIGH SPEED: t = 3.6ns (TYP.) at V =5V PD CC LOW POWER DISSIPATION: I =1 A(MAX.) at T =25C CC A COMPATIBLE WITH TTL OUTPUTS: V =2V (MIN),V =0.8V(MAX) IH IL POWER DOWN PROTECTION ON INPUTS SOT23-5L SOT323-5L SYMMETRICAL OUTPUT IMPEDANCE: I = I =8mA (MIN)atV =4.5V OH OL CC BALANCED PROPAGATION DELAYS: t t ORDER CODES PLH PHL OPERATING VOLTAGE RANGE: PACKAGE T & R V (OPR) = 4.5V to 5.5V CC SOT23-5L 74V1T126STR SOT323-5L 74V1T126CTR DESCRIPTION The 74V1T126 is an advanced high-speed CMOS SINGLE BUS BUFFER fabricated with sub-micron Power down protection is provided on all inputs 2 silicon gate and double-layer metal wiring C MOS and 0 to 7V can be accepted on inputs with no technology. regard to the supply voltage. This device can be 3-STATE control input G has to be set LOW to used to interface 5V to 3V. place the output into the high impedance state. PIN CONNECTION AND IEC LOGIC SYMBOLS April 2004 1/1074V1T126 INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN N SYMBOL NAME AND FUNCTION 1 1G Output Enable Input 2 1A Data Input 4 1Y Data Output 3 GND Ground (0V) V 5 Positive Supply Voltage CC TRUTH TABLE AG Y XL Z LHL HHH X : Dont Care Z : High Impedance ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit V Supply Voltage -0.5 to +7.0 V CC V DC Input Voltage -0.5 to +7.0 V I V DC Output Voltage -0.5 to V +0.5 V O CC I DC Input Diode Current -20 mA IK I DC Output Diode Current 20 mA OK I DC Output Current 25 mA O I or I DC V or Ground Current 50 mA CC GND CC T Storage Temperature -65 to +150 C stg T Lead Temperature (10 sec) 300 C L 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 Parameter Value Unit V Supply Voltage 4.5 to 5.5 V CC V Input Voltage 0to 5.5 V I V Output Voltage 0 to V V O CC T Operating Temperature -55 to 125 C op Input Rise and Fall Time (note 1) (V =5.0 0.5V) dt/dv 0 to 20 ns/V CC 1) V from 0.8V to 2V IN 2/10