DM74S299

更新时间： 2024-11-30 22:54:35

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		存储
页数	文件大小	规格书
5页	61K
描述
3-STATE 8-Bit Universal Shift/Storage Register

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数据手册

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DM74S299 数据手册

August 1986

Revised May 2000

DM74S299

3-STATE 8-Bit Universal Shift/Storage Register

General Description

Features

This Schottky TTL eight-bit universal register features mul-

tiplexed inputs/outputs to achieve full eight bit data han-

dling in a single 20-pin package. Two function-select inputs

and two output-control inputs can be used to choose the

modes of operation listed in the function table.

■ Multiplexed inputs/outputs provide improved bit density

■ Four modes of operation:

Hold (Store)

Shift Right

Shift Left

Load Data

■ 3-STATE outputs drive bus lines directly

■ Can be cascaded for N-bit word lengths

■ Operates with outputs enabled or at high Z

■ Guaranteed shift (clock) frequency 50 MHz

■ Typical power dissipation 700 mW

Synchronous parallel loading is accomplished by taking

both function-select lines, S0 and S1, HIGH. This places

the 3-STATE outputs in a high-impedance state, which per-

mits data that is applied on the input/output lines to be

clocked into the register. Reading out of the register can be

accomplished while the outputs are enabled in any mode.

A direct overriding input is provided to clear the register

whether the outputs are ENABLED or OFF.

Ordering Code:

Order Number Package Number

Package Description

DM74S299N

N20A

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Connection Diagram

DS006485

www.fairchildsemi.com

12 3 4 5

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与DM74S299相关器件

型号	品牌	获取价格	描述	数据表
DM74S299J	TI	获取价格	IC,SHIFT REGISTER,S-TTL,DIP,20PIN,CERAMIC
DM74S299J/A+	TI	获取价格	IC,SHIFT REGISTER,S-TTL,DIP,20PIN,CERAMIC
DM74S299N	TI	获取价格	S SERIES, 8-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDIP20
DM74S299N	FAIRCHILD	获取价格	3-STATE 8-Bit Universal Shift/Storage Register
DM74S299N/B+	TI	获取价格	IC,SHIFT REGISTER,S-TTL,DIP,20PIN,PLASTIC
DM74S30	FAIRCHILD	获取价格	8-Input NAND Gate
DM74S30J	ETC	获取价格	Single 8-input NAND Gate
DM74S30J/A+	ETC	获取价格	Single 8-input NAND Gate
DM74S30N	TI	获取价格	IC S SERIES, 8-INPUT NAND GATE, PDIP14, PLASTIC, DIP-14, Gate
DM74S30N	FAIRCHILD	获取价格	8-Input NAND Gate