SN54LS244: Octal Buffers And Line Drivers With 3-State Outputs
Product Information
Features
PERIPHERAL DRIVERS FOR HIGH-CURRENT SWITCHING AT VERY HIGH SPEEDS
Characterized for Use to 300 mA
High-Voltage Outputs
No Output Latch-Up at 20 V (After Conducting 300 mA)
High-Speed Switching
Circuit Flexibility for Varied Applications
TTL-Compatible Diode-Clamped Inputs
Standard Supply Voltages
Plastic DIP (P) With Copper Lead Frame Provides Cooler Operation and Improved Reliability
Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs
Description
The SN55451B through SN55454B and SN75451B through SN75454B are dual peripheral drivers designed for use in systems that employ TTL logic. This family is functionally interchangeable with and replaces the SN75450 family and the SN75450A family devices manufactured previously. The speed of the devices is equal to that of the SN75450 family, and the parts are designed to ensure freedom from latch-up. Diode-clamped inputs simplify circuit design. Typical applications include high-speed logic buffers, power drivers, relay drivers, lamp drivers, MOS drivers, line drivers, and memory drivers.
The SN55451B/SN75451B, SN55452B/SN75452B, SN55453B/SN75453B, and SN55454B/SN75454B are dual peripheral AND, NAND, OR, and NOR drivers, respectively (assuming positive logic), with the output of the logic gates internally connected to the bases of the npn output transistors.
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Inventory
Reported Distributor Inventory as of 11:22 AM GMT, 25 Nov 2009
** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.
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