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74V1G126 Datasheet Single Bus Buffer 3-state

Manufacturer: STMicroelectronics

Overview: ® 74V1G126 SINGLE BUS BUFFER (3-STATE) PRELIMINARY DATA s s s s s s s s HIGH SPEED: tPD = 3.8 ns (TYP.) at VCC = 5V LOW POWER DISSIPATION: ICC = 1 µA (MAX.) at TA = 25 oC HIGH NOISE IMMUNITY: VNIH = VNIL = 28% VCC (MIN.) POWER DOWN PROTECTION ON INPUTS SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 8 mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 5.5V IMPROVED LATCH-UP IMMUNITY S (SOT23-5L) C (SC-70) ORDER CODE: 74V1G126S 74V1G126C 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.

General Description

The 74V1G125 is an advanced high-speed CMOS SINGLE BUS BUFFER fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology.

PIN CONNECTION AND IEC LOGIC SYMBOLS October 1999 1/8 74V1G126 INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 1 2 4 3 5 SYMBOL 1G 1A 1Y GND VCC NAME AND FUNCT ION Output Enable Input Data Input Data Output Ground (0V) Positive Supply Voltage TRUTH TABLE A X L H X:”H” or ”L” 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 +150 260 Unit V V V mA mA mA mA o o ICC or IGND DC VCC or Ground Current C C Absolute Maximum Ratings are those values beyond which damage to the device may occur.

Functional operation under these condition is not implied.

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