4 BIT SYNCHRONOUS UP/DOWN COUNTERS

DESCRIPTION The M54/74HC190/191 are high speed CMOS4-BIT SYNCHRONOUS UP/DOWN COUNTERS fabricated in silicon gate C2MOS technology. ■ HIGH SPEED fMAX = 48 MHz (TYP.) AT VCC = 5 V ■ LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C ■ HIGH NOISE IMMUNITY VNIH = VNIL = 28

文件：299.44 Kbytes 页数：14 Pages

STMICROELECTRONICS

意法半导体

4 BIT SYNCHRONOUS UP/DOWN COUNTERS

文件：566.81 Kbytes 页数：14 Pages

STMICROELECTRONICS

意法半导体

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