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M74HCT640 Datasheet - ST Microelectronics

M74HCT640_STMicroelectronics.pdf

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Datasheet Details

Part number:

M74HCT640

Manufacturer:

STMicroelectronics ↗

File Size:

264.96 KB

Description:

Octal bus transceiver.

M74HCT640, OCTAL BUS TRANSCEIVER

The M54/74HCT245, HCT640 and HCT643 utilise silicon gate C2MOS technology to achive operating speeds eqivalent to LSTTL devices.

Along with the low power dissipation and high noise immunity of standad CMOS integrated circuit, it possesses the capability to drive 15 LSTTL loads.

These IC’s are intend

M54/74HCT245/640/643 M54/74HCT245/640/643 OCTAL BUS TRANSCEIVER (3-STATE): HCT245 NON INVERTING HCT640 INVERTING, HCT643 INVERTING/NON INVERTING .

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HIGH SPEED tPD = 10 ns (TYP.) at VCC = 5V LOW POWER DISSIPATION o 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 54/74LS245/640

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