M74HC4049B1R

The M74HC4049B1R is an high speed CMOS HEX BUFFER (INVERTING) fabricated with silicon gate C2MOS technology.The internal circuit is composed of 2 stage inverters, which enables high noise immunity and a stable output.The Vcc side diodes are designed to allow logic-level conversion from high-level voltages (up to 13V) to low level voltages.

Features of the M74HC4049B1R are:(1)high speed:tPD = 8ns (TYP.) at VCC = 6V;(2)low power dissipation:ICC =1A(MAX.) at TA=25;(3)high noise immunity:VNIH = VNIL = 28 % VCC (MIN.);(4)symmetrical output impedance:|IOH| = IOL = 6mA (MIN);(5)balanced propagation delays:tPLH @ tPHL;(6)wide operating voltage range is VCC (OPR) = 2V to 6V;(7)pin and function compatible with 74 series 4049.

The absolute maximum ratings of the M74HC4049B1R can be summarized as:(1):the symbol is Vcc,the parameter is supply voltage,the rating is -0.5 to 7,the unit is V;(2):the symbol is VI,the parameter is input voltage,the rating is -0.5 to 15,the unit is V;(3):the symbol is VO,the parameter is output voltage,the rating is -0.5 to Vcc+0.5,the unit is V;(4):the symbol is IIK,the parameter is DC input diode current,the rating is -20,the unit is mA;(5):the symbol is IOK,the parameter is DC output diode current,the rating is ±20,the unit is mA;(6):the symbol is IO,the parameter is DC output current,the rating is ±25,the unit is mA;(7):the symbol is Icc or IGND,the parameter is DC Vcc or ground current,the rating is ±50,the unit is mA;(8):the symbol is PD,the parameter is power dissipation,the rating is 500,the unit is mW;(9):the symbol is Tstg,the parameter is operating temperature,the rating is -65 to +150,the unit is ;(10):the symbol is TL,the parameter is lead temperature(10 sec),the rating is 300,the unit is .