Functional Description

• Octal Schmitt Bus Buffer

74VHCV540FT: Inverted, 3-State Outputs

74VHCV541FT: Non-Inverted, 3-State Outputs

General

The 74VHCV540FT and 74VHCV541FT are advanced high speed CMOS OCTAL BUS BUFFERs fabricated with

silicon gate CMOS technology.

They achieve the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS

low power dissipation.

The 74VHCV540FT is an inverting type, and the 74VHCV541FT is a non-inverting type.

When either G1 or G2 are high, the terminal outputs are in the high-impedance state.

Input pin have hysteresis between the positive-going and negative-going thresholds. Thus the 74VHCV540FT

and 74VHCV541FT are capable of squaring up transitions of slowly changing input signals and provides an

improved noise immunity.

Input protection and output circuit ensure that 0 to 5.5 V can be applied to the input and output (Note) pins

without regard to the supply voltage. These structure prevents device destruction due to mismatched supply and

input/output voltages such as battery back up, hot board insertion, etc.

Note: Output in off-state

Features

(1) AEC-Q100 (Rev. H) (Note 1)

(2) Wide operating temperature range: Topr = -40 to 125 

(3) High speed: tpd = 4.1 ns (typ.) at VCC = 5.0 V

(4) Low power dissipation: ICC = 2.0 μA (max) at Ta = 25 

(5) Wide operating voltage range: VCC(opr) = 1.8 V to 5.5 V

(6) Output current: |IOH|/IOL = 16 mA (min)(VCC = 4.5 V)

(7) Power-down protection provided on all inputs and outputs.

(8) Pin and function compatible with the 74 series (74AC/HC/AHC/LV etc.) 540 or 541 type.