74240 Octal 3-STATE Buffer/Line Driver/Line Receiver IC PDIP-20

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74240 Octal 3-STATE Buffer /Line Driver/Line Receiver IC PDIP-20 The 74240 Octal 3-STATE Buffer/Line Driver/Line Receiver IC PDIP-20 is an octal buffer/line driver/line receiver device designed for bus-oriented systems, memory-address driving and clock distribution, providing 3-STATE outputs, PNP inputs for reduced DC loading, input hysteresis for improved noise rejection, and a standard PDIP-20 through-hole package for easy prototyping and retrofit applications. Features: Eight buffered inverting/noninverting channels with 3-STATE outputs suitable for bus interfacing and multiplexed systems. PNP input structure reduces DC loading on data and bus lines for improved signal integrity. Input hysteresis (typically 0.2–0.4V) for enhanced noise margin at data inputs. High sink capability with typical I OL = 24mA and moderate source capability with typical I OH = −15mA. Fast switching for TTL designs with typical propagation delays in the low-tens of nanoseconds range. Low off-state leakage (I OZ typically ±20µA) to minimize bus contention when outputs are disabled. Enables driving terminated lines down to 133Ω and supports high fanout configurations. Pinout Diagram: Specifications: Parameter Value Category: Integrated Circuits (ICs)/Logic/Buffers, Drivers, Receivers, Transceivers Manufacturer: XBLW Package: DIP-20 Output Type: Tri-State Operating Temperature: -20℃~+85℃ Series: 74LS Series Number of Bits per Element: 8 Quiescent Current (Iq): 8uA Current – Output High (IOH): 7.8mA Channel Type: Unidirectional Voltage – Supply: 2V~6V Number of Channels: 1 Propagation Delay: 9ns@5V,15pF Current – Output Low (IOL): 7.8mA For full electrical specifications, please read the datasheet down below. Applications: Bus drivers and transceivers for microprocessor address and data buses. Memory address buffering and clock distribution in digital systems. Line driving for terminated transmission lines and high-fanout logic networks. Bus isolation and 3-STATE multiplexing in instrumentation and control systems. General TTL-level buffering and interfacing in legacy and embedded designs. Package Contents: 1x 74240 Octal 3-STATE Buffer/Line Driver/Line Receiver IC PDIP-20 Documents: Datasheet 74240 CAD Files Download