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74HC91

更新时间： 2024-02-11 17:09:08

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74HC91 数据手册

HD74HC91

8-bit Shift Register

Description

This serial-in, serial-out, 8-bit shift register is composed of eight R-S master-slave flip-flops, input gating,

and a clock drive. Single-rail data and input control are gated through inputs A and B and an internal

inverter to form the complementary inputs to the first bit of the shift register. Drive for the internal

common clock line is provided by an inverting clock driver. This clock pulse inverter/driver causes these

circuits to shift information one bit on the positive edge of an input clock pulse.

Features

•

High Speed Operation: t_pd(Data Word Input to Output) = 21 ns typ (C_L= 50 pF)

High Output Current: Fanout of 10 LSTTL Loads

Wide Operating Voltage: V_CC= 2 to 6 V

Low Input Current: 1 µA max

Low Quiescent Supply Current: I_CC(static) = 4 µA max (Ta = 25°C)

Function Table

Inputs

Outputs

t_n

t_{n + 8}

Q_H

t_n

Irrelevant

Reference bit time, clock low

t_{n + 8}

Bit time after 8 low-to-high clock transitions

12 3 4 5 6 7...9

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型号	品牌	获取价格	描述	数据表
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74HC9114D,112	NXP	获取价格	74HC(T)9114 - Nine wide Schmitt trigger buffer; open drain outputs; inverting SOP 20-Pin
74HC9114D,118	NXP	获取价格	74HC(T)9114 - Nine wide Schmitt trigger buffer; open drain outputs; inverting SOP 20-Pin
74HC9114DB	NXP	获取价格	IC HC/UH SERIES, 9 1-INPUT INVERT GATE, PDSO20, Gate
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74HC9114D-Q100	NEXPERIA	获取价格	Nine wide Schmitt trigger buffer; open drain outputs; invertingProduction
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74HC9114N	ETC	获取价格	Nine Bit Inverter