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M54HCT257 Dataheets PDF



Part Number M54HCT257
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description HCT257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE HCT258 QUAD 2 CHANNEL MULTIPLEXER 3-STATE / INVERTING
Datasheet M54HCT257 DatasheetM54HCT257 Datasheet (PDF)

M54/M74HCT257 M54/M74HCT258 HCT257 QUAD 2 CHANNEL MULTIPLEXER (3-STATE) HCT258 QUAD 2 CHANNEL MULTIPLEXER (3-STATE, INVERTING) . . . . . . . HIGH SPEED tPD = 16 ns (TYP.) at VCC = 5 V LOW POWER DISSIPATION ICC = 4 µA (MAX.) at TA = 25 °C COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN.) VIL = 0.8V (MAX) OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE IOH = IOL = 6 mA (MIN.) BALANCED PROPAGATION DELAYS tPLH = tPHL PIN AND FUNCTION COMPATIBLE WITH 54/74LS257/258 B1R (Plastic Pac.

  M54HCT257   M54HCT257


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