M74HCT74B1R

带预置和清除两个D型触发器 DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR

DESCRIPTION

The M74HCT74 is an high speed CMOS DUAL D TYPE FLIP FLOP WITH CLEAR fabricated with silicon gate C2MOS technology.

■ HIGH SPEED :

   fMAX = 48MHz TYP. at VCC = 4.5V

■ LOW POWER DISSIPATION:

   ICC =2µAMAX. at TA=25°C

■ COMPATIBLE WITH TTL OUTPUTS :

   VIH = 2V MIN. VIL = 0.8V MAX

■ BALANCED PROPAGATION DELAYS:

   tPLH = tPHL

■ SYMMETRICAL OUTPUT IMPEDANCE:

   |IOH| = IOL = 4mA MIN

■ PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 74