M74HCT74B1R
数据手册.pdf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
