SN74HC165PW

产品概述

The SN74HC165PW is a 8-bit parallel-load Shift Register that when clocked shift the data toward a serial (QH) output. The 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. This device also feature 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. Because a low CLK and a low-to-high transition of CLK INH also accomplish clocking, CLK INH must 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 inputs to the register are enabled independently of the levels of the CLK, CLK INH or serial (SER) inputs.

• Outputs can drive up to 10 LSTTL loads
• Complementary outputs
• Direct overriding load (data) inputs
• Gated clock inputs
• Parallel-to-serial data conversion
• 80µA Maximum low power consumption
• 13ns Typical tpd
• ±4mA Output drive at 5V
• 1µA Maximum low input current
• Green product and no Sb/Br

应用

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