型号 功能描述 生产厂家 企业 LOGO 操作
SN74LS490D

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

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

Ouadruple 2-input Positive NAND Gates

文件:6.85482 Mbytes Page:273 Pages

HITACHIHitachi Semiconductor

日立日立公司

更新时间:2026-1-29 14:56:00
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
22+
DIP
12245
现货,原厂原装假一罚十!
MMI
25+23+
DIP
69500
绝对原装正品现货,全新深圳原装进口现货
Texas Instruments
24+
14-SOIC
56300
一级代理/放心采购
TexasInstruments
18+
ICAND-OR-INVERTGATE14-SO
6800
公司原装现货/欢迎来电咨询!
TI
24+/25+
107
原装正品现货库存价优
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
21+
DIP
1709
MOTOROL
23+
DIP16
8650
受权代理!全新原装现货特价热卖!
MOTOROLA
22+
DIP16
5000
原装现货库存.价格优势

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