SN74LS147

更新时间： 2024-11-11 23:06:19

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
8页	138K
描述
LOW POWER SCHOTTKY

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数据手册

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SN74LS147 数据手册

The SN74LS147 and the SN74LS148 are Priority Encoders. They

provide priority decoding of the inputs to ensure that only the highest

order data line is encoded. Both devices have data inputs and outputs

which are active at the low logic level.

The LS147 encodes nine data lines to four-line (8-4-2-1) BCD. The

implied decimal zero condition does not require an input condition

because zero is encoded when all nine data lines are at a high logic

level.

http://onsemi.com

LOW

POWER

SCHOTTKY

The LS148 encodes eight data lines to three-line (4-2-1) binary

(octal). By providing cascading circuitry (Enable Input EI and Enable

Output EO) octal expansion is allowed without needing external

circuitry.

GUARANTEED OPERATING RANGES

Symbol

Parameter

Supply Voltage

Min

4.75

Typ

5.0

Max

5.25

Unit

PLASTIC

N SUFFIX

CASE 648

Operating Ambient

Temperature Range

°C

Output Current – High

Output Current – Low

–0.4

8.0

SOIC

D SUFFIX

CASE 751B

ORDERING INFORMATION

Device

Package

16 Pin DIP

16 Pin

Shipping

SN74LS147N

SN74LS147D

SN74LS148N

SN74LS148D

2000 Units/Box

2500/Tape & Reel

2000 Units/Box

16 Pin DIP

16 Pin

2500/Tape & Reel

Semiconductor Components Industries, LLC, 1999

Publication Order Number:

December, 1999 – Rev. 6

SN74LS147/D

12 3 4 5 6 7 8

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与SN74LS147相关器件

型号	品牌	获取价格	描述	数据表
SN74LS147D	TI	获取价格	10-LINE TO 4-LINE AND 8-LINE TO 3-LINE PRIORITY ENCODERS
SN74LS147D	MOTOROLA	获取价格	10-LINE-TO-4-LINE AND 8-LINE-TO-3-LINE PRIORITY ENCODERS
SN74LS147D	ONSEMI	获取价格	LOW POWER SCHOTTKY
SN74LS147DR	TI	获取价格	10-LINE TO 4-LINE AND 8-LINE TO 3-LINE PRIORITY ENCODERS
SN74LS147DR2	ONSEMI	获取价格	LS SERIES, 9-BIT ENCODER, PDSO16, PLASTIC, SOIC-16
SN74LS147FN	ROCHESTER	获取价格	Encoder, LS Series, 9-Bit, TTL, PQCC20, LCC-20
SN74LS147J	TI	获取价格	LS SERIES, 9-BIT ENCODER, CDIP16
SN74LS147J-00	TI	获取价格	LS SERIES, 9-BIT ENCODER, CDIP16
SN74LS147JD	MOTOROLA	获取价格	LS SERIES, 9-BIT ENCODER, CDIP16, CERAMIC, DIP-16
SN74LS147JDS	MOTOROLA	获取价格	LS SERIES, 9-BIT ENCODER, CDIP16, CERAMIC, DIP-16