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M74HCT646 - HCT646 OCTAL BUS TRANSCEIVER/REGISTER

General Description

The M74HCT646/648 are high speed CMOS OCTAL BUS TRANSCEIVERS AND REGISTERS, 2 (3-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

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Other Datasheets by STMicroelectronics

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M74HCT640 OCTAL BUS TRANSCEIVER
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M74HCT651 HCT651 OCTAL BUS TRANSCEIVER/REGISTER
M74HCT652 HCT651 OCTAL BUS TRANSCEIVER/REGISTER

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M74HCT646 M74HCT648 HCT646 OCTAL BUS TRANSCEIVER/REGISTER (3-STATE) HCT648 OCTAL BUS TRANSCEIVER/REGISTER (3-STATE, INV.) . . . . . . . HIGH SPEED fMAX = 60 MHz (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 54/74LS646/648 B1R (Plastic Package) M1R (Micro Package) ORDER CODES : M74HCTXXXM1R M74HCTXXXB1R DESCRIPTION The M74HCT646/648 are high speed CMOS OCTAL BUS TRANSCEIVERS AND REGISTERS, 2 (3-STATE) fabricated in silicon gate C MOS technology.