M54HC294B1R中文資料意法半導體數據手冊PDF規(guī)格書

DESCRIPTION

The 54/74HC292/7292 and HC294/7294 are high speed CMOS PROGRAMMABLE DIVIDER/TIMER fabricated with silicon C2MOS technology.

■ HIGH SPEED

fMAX = 70 MHz (TYP.) at VCC = 5 V

■ LOW POWER DISSIPATION

ICC = 4 mA (MAX.) at TA = 25 °C

■ HIGH NOISE IMMUNITY

VNIH = VNIL = 28 VCC (MIN.)

■ OUTPUT DRIVE CAPABILITY

10 LSTTL LOADS

■ SYMMETRICAL OUTPUT IMPEDANCE

|IOH|= IOL = 4 mA (MIN.)

■ BALANCED PROPAGATION DELAYS

tPLH = tPHL

■ WIDE OPERATING VOLTAGE RANGE

VCC (OPR) = 2 V TO 6 V

■ PIN AND FUNCTION COMPATIBLE WITH

54/74LS292/294