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74VHCT240A Datasheet - STMicroelectronics

74VHCT240A_STMicroelectronics.pdf

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Datasheet Details

Part number:

74VHCT240A

Manufacturer:

STMicroelectronics ↗

File Size:

63.66 KB

Description:

Octal bus buffer.

74VHCT240A, Octal Bus Buffer

The 74VHCT240A is an advanced high-speed CMOS OCTAL BUS BUFFER (3-STATE) fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology.

PIN CONNECTION AND IEC LOGIC SYMBOLS August 1999 1/8 74VHCT240A INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 1 2, 4,6, 8 9, 7,5, 3 1

® 74VHCT240A OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED) s s s s s s s s s s HIGH SPEED: tPD = 5 ns (TYP.) at VCC = 5V LOW POWER DISSIPATION: ICC = 4 µA (MAX.) at TA = 25 oC COMPATIBLE WITH TTL OUTPUTS: VIH = 2V (MIN), VIL = 0.8V (MAX) POWER DOWN PROTECTION ON INPUTS & OUTPUTS SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 8 mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL OPERATING VOLTAGE RANGE: VCC (OPR) = 4.5V to 5.5V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 240 IMPROVED LATCH

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