Part Number : SN74LV4T125
Function : Single Power Supply Quadruple Buffer GATE with CMOS Logic Level Shifter
Package : TSSOP, VQFN 14 Pin Type
Maker : Texas Instruments
Pinouts : 
Description :
SN74LV4T125 is a Low Voltage CMOS buffer gate and operates in a wide voltage range for portable and battery back-up equipment.
The input is designed with a lower threshold circuit to match 1.8V Input Logic at Vcc = 3.3V and can be used in 1.8V to 3.3V Level Up Translator functions. In addition, the 5V Input tolerant on input terminals enable the chip to configure Down Translation as 3.3V to 2.5V output at Vcc = 2.5V.
The wide VCC range of 1.8 V to 5.5 V allows the possibility of desired switching output level to connect the controllers or processors.
Features
1. Logic Output is Referenced to VCC
2. Characterized up to 50 MHz at 3.3-V VCC
3. 5.5 V Tolerance on Input Pins
4. –40°C to 125°C Operating Temperature Range
Official Site : http://www.ti.com/product/sn74lv4t125
Datasheet PDF Download : 
Others datasheet of same file :
74LV4T125, SN74LV4T125PW, SN74LV4T125PWR,
SN74LV4T125RGY, SN74LV4T125RGYR