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The NTE74LS398 is a monolithic quadruple two-input multiplexer with storage in a 20-lead plastic DIP-type package that provides essentially the equivalent functional capabilities of two separate MSL functions (NTE74LS157 and NTE74LS175). When the word-select input is low, word 1 (A1, B1, C1, D1) is applied to the flip-flops. A high input to word select will cause the selection of word 2 (A2, B2, C2, D2). The selected word is clocked to the output terminals on the positive-going edge of the clock pulse. Typical power dissipation is 37mW.
Selects one of two 4−bit data sources and stores data synchronously with system clock
Dual source of operands and constants in arithmetic processor; can release processor
Register files for acquiring new data
Implement separate registers capable of parallel exchange of contents yet retain external load
Universal type shift register for implementing various shift patterns
Even has compound left−right capabilities
Absolute Maximum Ratings:
Supply voltage VCC: 7V
Input voltage: 7V
Operating temperature range TA: 0°C to +70°C
Storage temperature range Tstg: -65°C to +150°C
Unless otherwise specified, all voltages are referenced to GND
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