M74HC1520M1R
ST Microelectronics
HC4518 DUAL DECADE COUNTER HC4520 DUAL 4 BIT BINARY COUNTERM54/M74HC4518 M54/M74HC4520
HC4518 DUAL DECADE COUNTER HC4520 DUAL 4 BIT BINARY COUNTER
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HIGH SPEED fMAX = 55 MHz (TYP.) at VCC = 5 V LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) OUT