Datasheet > DM74LS299N

DM74LS299N

更新时间： 2024-11-28 22:35:47

品牌	Logo	应用领域
美国国家半导体 - NSC		存储触发器逻辑集成电路光电二极管输出元件
页数	文件大小	规格书
8页	169K
描述
8-Input Universal Shift/Storage Register with Common Parallel I/O Pins

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DM74LS299N 数据手册

June 1992

DM54LS299/DM74LS299

8-Input Universal Shift/Storage Register

with Common Parallel I/O Pins

General Description

The ’LS299 is an 8-bit universal shift/storage register with

Features

Common I/O for reduced pin count

TRI-STATE outputs. Four modes of operation are possi-

Four operation modes: shift left, shift right, load and

store

ble: hold (store), shift left, shift right and load data. The par-

allel load inputs and flip-flop outputs are multiplexed to re-

duce the total number of package pins. Separate outputs

are provided for flip-flops Q0 and Q7 to allow easy cascad-

ing. A separate active LOW Master Reset is used to reset

the register.

Separate shift right serial input and shift left serial input

for easy cascading

TRI-STATE outputs for bus oriented applications

Connection Diagram

Dual-In-Line Package

TL/F/9827–1

Order Number DM54LS299E, DM54LS299J, DM54LS299W,

DM74LS299WM or DM74LS299N

See NS Package Number E20A, J20A, M20B, N20A or W20A

Pin Names

Description

Clock Pulse Input (Active Rising Edge)

Serial Data Input for Right Shift

Serial Data Input for Left Shift

Mode Select Inputs

S0, S1

Asynchronous Master Reset Input

(Active LOW)

OE1, OE2

I/O0–I/O7

Q0–Q7

TRI-STATE Output Enable Inputs

(Active LOW)

Parallel Data Inputs or TRI-STATE

Parallel Outputs

Serial Outputs

TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.

1995 National Semiconductor Corporation

TL/F/9827

RRD-B30M115/Printed in U. S. A.

12 3 4 5 6 7 8

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与DM74LS299N相关器件

型号	品牌	获取价格	描述	数据表
DM74LS299WM	FAIRCHILD	获取价格	8-Input Universal Shift/Storage Register with
DM74LS299WM	NSC	获取价格	8-Input Universal Shift/Storage Register with Common Parallel I/O Pins
DM74LS299WMX	FAIRCHILD	获取价格	Parallel In Parallel Out, LS Series, 8-Bit, Bidirectional, True Output, TTL, PDSO20, 0.300
DM74LS299WMX	TI	获取价格	LS SERIES, 8-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO2
DM74LS30	FAIRCHILD	获取价格	8-Input NAND Gate
DM74LS30	NSC	获取价格	8-Input NAND Gate
DM74LS30J	ETC	获取价格	Single 8-input NAND Gate
DM74LS30J/A+	ETC	获取价格	Single 8-input NAND Gate
DM74LS30M	FAIRCHILD	获取价格	8-Input NAND Gate
DM74LS30M	NSC	获取价格	8-Input NAND Gate