# 54ACQ240 / 54ACTQ240 Octal Buffer/Line Driver

## General Description
️· Inverting octal buffer and line driver for memory address, clock drivers, and bus oriented transmitter/receiver applications.
️· Utilizes NSC Quiet Series technology for quiet output switching and improved dynamic threshold performance.
️· Features GTO output control and undershoot corrector with split ground bus.

## Features
️· Reduced ICC and IOZ by 50%.
️· Guaranteed simultaneous switching noise level and dynamic threshold performance.
️· Improved latch-up immunity.
️· Inverting TRI-STATE outputs for bus lines or memory address registers.
️· Outputs source/sink 24 mA.
️· Faster propagation delays than standard ‘ACT240.
️· 4 kV minimum ESD immunity.
️· Standard Microcircuit Drawing (SMD) available.

## Logic Symbol & Connection Diagrams
️· Standard logic symbol as depicted in datasheet.
️· Connection diagrams for DIP, Flatpak, and LCC packages provided.

## Truth Tables
️· Standard TRI-STATE operation with OE control.
️· Inputs and Outputs defined for high, low, and high impedance states.

## Absolute Maximum Ratings
️· Supply Voltage (VCC): -0.5V to +7.0V
️· DC Input Diode Current: Limited by specifications
️· DC Output Diode Current: Limited by specifications
️· Operating/Storage Temperature: Specified ranges.

## Recommended Operating Conditions
️· VCC: 2.0V to 6.0V ('ACQ), 4.5V to 5.5V ('ACTQ).
️· Operating Temperature: -55°C to +125°C.

## DC Characteristics
️· Detailed parameter specifications for input voltages (VIH, VIL), output voltages (VOH, VOL), leakage currents, and quiescent current (ICC).
️· Data provided for both 'ACQ and 'ACTQ families.

## AC Electrical Characteristics
️· Propagation delays (tPHL, tPLH) and enable/disable times (tPZL, tPZH) specified.
️· Data provided for different VCC and CL values.

## Capacitance
️· Input capacitance and power dissipation capacitance values provided.

## Package Information
️· Physical dimensions for various package types (Ceramic Leadless Chip Carrier, Dual-In-Line Package, Flatpak) detailed in the datasheet.