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M74HC646 - HC648 OCTAL BUS TRANSCEIVER/REGISTER

General Description

The M74HC646/648 are high speed CMOS OCTAL BUS TRANSCEIVERS AND REGISTERS, (32 STATE) fabricated in silicon gate C MOS technology.

They have the same high speed performance of LSTTL combined with true CMOS low power consumption.

Key Features

  • pproval of SGS-.

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Other Datasheets by STMicroelectronics

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M74HC640 OCTAL BUS TRANSCEIVER
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M74HC648 HC648 OCTAL BUS TRANSCEIVER/REGISTER
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M74HC646 M74HC648 HC646 OCTAL BUS TRANSCEIVER/REGISTER (3-STATE) HC648 OCTAL BUS TRANSCEIVER/REGISTER (3-STATE, INV.) . . . . . . . . HIGH SPEED fMAX = 73 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.) OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE IOH= IOL = 6 mA (MIN.) BALANCED PROPAGATION DELAYS tPLH = tPHL WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V TO 6 V PIN AND FUNCTION COMPATIBLE WITH 54/74LS646/648 B1R (Plastic Package) M1R (Micro Package) ORDER CODES : M74HCXXXM1R M74HCXXXB1R DESCRIPTION The M74HC646/648 are high speed CMOS OCTAL BUS TRANSCEIVERS AND REGISTERS, (32 STATE) fabricated in silicon gate C MOS technology.