74HC597 데이터 시트보기 (PDF) - Philips Electronics

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74HC597

8-bit shift register with input flip-flops

Philips Electronics 

Philips Semiconductors

8-bit shift register with input flip-flops

AC WAVEFORMS

Product specification

74HC/HCT597

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

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

Fig.7

Waveforms showing the SHCP and STCP

inputs to Q output propagation delays, the

SHCP and STCP pulse widths and maximum

clock pulse frequency.

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

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

Fig.8 Waveforms showing the MR input to Q

output propagation delays and the MR

pulse width.

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

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

Fig.9 Waveforms showing the PL input to Q

output propagation delays, PL pulse width

and output transition times.

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

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

Fig.10 Waveforms showing the MR input to SHCP,

STCP removal times.

December 1990

11

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