74LS90 Datasheet, counters equivalent, National Semiconductor

74LS90 Features

• Counters Y Y Typical power dissipation 45 mW Count frequency 42 MHz Connection Diagrams (Dual-In-Line Packages) TL F 6381
    – 1 Order Number DM74LS90M or DM74LS90N See NS Packa

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74LS90

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National Semiconductor

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📄 Datasheet

Description:

Decade and binary counters. Each of these monolithic counters contains four masterslave flip-flops and additional gating to provide a divide-bytwo counter and a

74LS90 Application

• Applications To use their maximum count length (decade or four bit binary) the B input is connected to the QA output The input count pulses are appl

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74LS90

National Semiconductor

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