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HC165QQ1 Datasheet 8-bit Parallel-load Shift Registers

Manufacturer: Texas Instruments

Overview: SN74HC165ĆQ1 8ĆBIT PARALLELĆLOAD SHIFT REGISTER D Qualified for Automotive Applications D ESD Protection Exceeds 1500 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) D Wide.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

/ordering information The SN74HC165 is an 8-bit parallel-load shift register that, when clocked, shift the data toward a serial (QH) output.

Parallel-in access to each stage is provided by eight individual direct data (A−H) inputs that are enabled by a low level at the shift/load (SH/LD) input.

The SN74HC165 also

Key Features

  • a clock-inhibit (CLK INH) function and a complementary serial (QH) output. Clocking is accomplished by a low-to-high transition of the clock (CLK) input while SH/LD is held high and CLK INH is held low. The functions of CLK and CLK INH are interchangeable. Since a low CLK and a low-to-high transition of CLK INH also accomplish clocking, CLK INH should be changed to the high level only while CLK is high. Parallel loading is inhibited when SH/LD is held high. While SH/LD is low, the parallel input.

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