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DM5495

更新时间： 2024-11-24 23:47:19

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DM5495 数据手册

June 1989

5495A/DM7495

4-Bit Parallel Access Shift Registers

General Description

These 4-bit registers feature parallel and serial inputs, paral-

lel outputs, mode control, and two clock inputs. The regis-

ters have three modes of operation.

mode control is high by connecting the output of each flip-

flop to the parallel input of the previous flip-flop (Q to input

C, etc.) and serial data is entered at input D. The clock input

may be applied simultaneously to clock 1 and clock 2 if both

modes can be clocked from the same source.

Parallel (broadside) load

Shift right (the direction Q toward Q )

Shift left (the direction Q toward Q )

Changes at the mode control input should normally be

made while both clock inputs are low; however, conditions

described in the last three lines of the truth table will also

ensure that register contents are protected.

Parallel loading is accomplished by applying the four bits of

data and taking the mode control input high. The data is

loaded into the associated flip-flops and appears at the out-

puts after the high-to-low transition of the clock-2 input. Dur-

ing loading, the entry of serial data is inhibited.

Features

Typical maximum clock frequency 36 MHz

Shift right is accomplished on the high-to-low transition of

clock 1 when the mode control is low; shift left is accom-

plished on the high-to-low transition of clock 2 when the

Typical power dissipation 250 mW

Connection Diagram

Dual-In-Line Package

TL/F/6534–1

Order Number 5495ADMQB, 5495AFMQB or DM7495N

See NS Package Number J14A, N14A or W14B

1995 National Semiconductor Corporation

TL/F/6534

RRD-B30M105/Printed in U. S. A.

12 3 4 5 6

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与DM5495相关器件

型号	品牌	获取价格	描述	数据表
DM5495J	TI	获取价格	IC 54 SERIES, 4-BIT RIGHT PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, CDIP14, DI
DM5495J/883	TI	获取价格	IC,SHIFT REGISTER,STD-TTL,DIP,14PIN,CERAMIC
DM5495J/883B	ROCHESTER	获取价格	Parallel In Parallel Out
DM5495J/883C	TI	获取价格	IC,SHIFT REGISTER,STD-TTL,DIP,14PIN,CERAMIC
DM5495JMIL	TI	获取价格	54 SERIES, 4-BIT RIGHT PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, CDIP14, DIP-1
DM5495W	NSC	获取价格	IC,SHIFT REGISTER,STD-TTL,FP,14PIN,CERAMIC
DM5495W	TI	获取价格	IC,SHIFT REGISTER,STD-TTL,FP,14PIN,CERAMIC
DM5495W/883	TI	获取价格	IC,SHIFT REGISTER,STD-TTL,FP,14PIN,CERAMIC
DM5495W/883B	ROCHESTER	获取价格	Parallel In Parallel Out
DM5495W/883B	TI	获取价格	IC,SHIFT REGISTER,STD-TTL,FP,14PIN,CERAMIC