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M74HCT393M1R データシート

部品番号コンポーネント説明メーカー
M74HCT393M1R DUAL BINARY COUNTER ST-Microelectronics
STMicroelectronics ST-Microelectronics
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DESCRIPTION
The M74HCT393 is an high speed CMOS DUAL BINARY COUNTER fabricated with silicon gate C2MOS technology.
This counter circuit contains independent ripple carry counters and two 4-bit ripple carry binary counters, which can be cascaded to create a single divide by 256 counter.

■ HIGH SPEED : fMAX = 80MHz (TYP.) at VCC = 4.5V
■ LOW POWER DISSIPATION: ICC =4µA(MAX.) at TA=25°C
■ COMPATIBLE WITH TTL OUTPUTS : VIH = 2V (MIN.) VIL = 0.8V (MAX)
■ SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN)
■ BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL
■ PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 393

 

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