SN54HC166-SP 并联负载 8 位移位寄存器

These parallel-in or serial-in, serial-out registers feature gated clock (CLK, CLK INH) inputs and an overriding clear (CLR)\ input. The parallel-in or serial-in modes are established by the shift/load (SH/LD)\ input. When high, SH/LD\ enables the serial (SER) data input and couples the eight flip-flops for serial shifting with each clock (CLK) pulse. When low, the parallel (broadside) data inputs are enabled, and synchronous loading occurs on the next clock pulse. During parallel loading, serial data flow is inhibited. Clocking is accomplished on the low-to-high-level edge of CLK through a 2-input positive-NOR gate permitting one input to be used as a clock-enable or clock-inhibit function. Holding either CLK or CLK INH high inhibits clocking; holding either low enables the other clock input.

	SN54HC166-SP
Technology Family	HC
Rating	Space

SN54HC166-SP 特性

Wide Operating Voltage Range of 2 V to 6 V
Outputs Can Drive Up To 10 LSTTL Loads
Low Power Consumption, 80-µA Max ICC
Typical tpd = 13 ns
±4-mA Output Drive at 5 V
Low Input Current of 1 µA Max
Synchronous Load
Direct Overriding Clear
Parallel-to-Serial Conversion

SN54HC166-SP 应用技术支持与电子电路设计开发资源下载

SN54HC166-SP 数据资料 dataSheet 下载.PDF
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