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型号 功能描述 生产厂家 企业 LOGO 操作
SN74LS49

具有集电极开路输出的 BCD 到 7 段解码器/驱动器

The '46A, '47A, and 'LS47 feature active-low outputs designed for driving, common-anode LEDs or incandescent indicators directly. The '48, 'LS48, and 'LS49 feature active-high outputs for driving lamp buffers or common-cathode LEDs. All of the circuits except 'LS49 have full ripple-blanking input/ou • '46A, '47A, 'LS47 feature \n• Open-Collector Outputs Drive Indicators Directly\r\n• Lamp-Test Provision\r\n• Leading/Trailing Zero Suppression\n• '48, 'LS48 feature \n• Internal Pull-Ups Eliminate Need for External Resistors\r\n• Lamp-Test Provision\r\n• Leading/Trailing Zero Suppression\n• 'LS49 ;

TI

德州仪器

SN74LS49

BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS

文件:1.5263 Mbytes Page:26 Pages

TI

德州仪器

SN74LS49

BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS

文件:583.39 Kbytes Page:14 Pages

TI

德州仪器

SN74LS49

BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS

文件:583.39 Kbytes Page:14 Pages

TI

德州仪器

SN74LS49

BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS

文件:583.51 Kbytes Page:14 Pages

TI

德州仪器

DUAL DECADE COUNTER

The SN54/74LS490 contains a pair of high-speed 4-stage ripple counters. Each half of the SN54/74LS490 has individual Clock, Master Reset and Master Set (Preset 9) inputs. Each section counts in the 8, 4, 2, 1 BCD code. • Dual Version of SN54/74LS490 • Individual Asynchronous Clear and Preset to

MOTOROLA

摩托罗拉

DUAL DECADE COUNTER

The SN54/74LS490 contains a pair of high-speed 4-stage ripple counters. Each half of the SN54/74LS490 has individual Clock, Master Reset and Master Set (Preset 9) inputs. Each section counts in the 8, 4, 2, 1 BCD code. • Dual Version of SN54/74LS490 • Individual Asynchronous Clear and Preset to

MOTOROLA

摩托罗拉

DUAL DECADE COUNTER

The SN54/74LS490 contains a pair of high-speed 4-stage ripple counters. Each half of the SN54/74LS490 has individual Clock, Master Reset and Master Set (Preset 9) inputs. Each section counts in the 8, 4, 2, 1 BCD code. • Dual Version of SN54/74LS490 • Individual Asynchronous Clear and Preset to

MOTOROLA

摩托罗拉

DUAL 4-BIT DECADE COUNTERS

文件:141.13 Kbytes Page:8 Pages

TI

德州仪器

10-Bit Counter SN54/74LS491A

文件:242.01 Kbytes Page:4 Pages

ETCList of Unclassifed Manufacturers

未分类制造商

BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS

文件:583.51 Kbytes Page:14 Pages

TI

德州仪器

BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS

文件:583.51 Kbytes Page:14 Pages

TI

德州仪器

BCD-to-Seven Segment Decoder Driver(with Open collector outputs)

● Quadrupie 2-Input Positive NAND Gates ● Quadruple 2-Input Positive NAND Gates (with Open Collector Output) (Continue....)

HITACHIHitachi Semiconductor

日立日立公司

BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS

文件:583.51 Kbytes Page:14 Pages

TI

德州仪器

替换型号 功能描述 生产厂家 企业 LOGO 操作

BCD-to-Seven Segment Decoder Driver(with Open collector outputs)

HITACHIHitachi Semiconductor

日立日立公司

Ouadruple 2-input Positive NAND Gates

HITACHIHitachi Semiconductor

日立日立公司

SN74LS49产品属性

  • 类型

    描述

  • 型号

    SN74LS49

  • 制造商

    Motorola Inc

  • 制造商

    Panasonic Industrial Company

  • 功能描述

    IC

  • 制造商

    Rochester Electronics LLC

更新时间:2026-5-14 17:24:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI/德州仪器
24+
SOP5.2
160
大批量供应优势库存热卖
MMI
25+23+
DIP
69500
绝对原装正品现货,全新深圳原装进口现货
TI/德州仪器
23+
SOP5.2
8215
原厂原装
Rochester Electronics, LLC
24+25+
16500
全新原厂原装现货!受权代理!可送样可提供技术支持!
TI/德州仪器
22+
DIP
12245
现货,原厂原装假一罚十!
TI/德州仪器
22+
DIP
20000
公司只有原装 品质保障
MOTOROLA
22+
DIP16
5000
原装现货库存.价格优势
TI
24+
DIP14
26
本站库存
TI
DIP
9500
一级代理 原装正品假一罚十价格优势长期供货
MMI
23+
QFP100
5000
原装正品,假一罚十

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