74HC166N 데이터 시트보기 (PDF) - Philips Electronics

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74HC166N

8-bit parallel-in/serial-out shift register

Philips Electronics 

Philips Semiconductors

8-bit parallel-in/serial-out shift register

Product specification

74HC/HCT166

The number of clock pulses required between the tPLH and tPHL

measurements can be determined from the function table.

CE may change only from HIGH-to-LOW while CP is LOW.

The shaded areas indicate when the input is permitted to change for

predictable output performance.

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3V; VI = GND to 3V.

Fig.9 Waveforms showing the set-up and hold times from the serial data input (Ds), the data inputs (Dn), the

clock enable input (LOW CE), the clock enable input CE and the parallel enable input to the clock (CP).

PACKAGE OUTLINES

See “74HC/HCT/HCU/HCMOS Logic Package Outlines”.

December 1990

10

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