型号 功能描述 生产厂家 企业 LOGO 操作

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

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

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:2025-11-3 15:10:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
MOTOROLA
22+
DIP16
5000
原装现货库存.价格优势
TI/德州仪器
22+
SOP-14
3000
原装正品,支持实单
MOTOROL
23+
DIP16
8650
受权代理!全新原装现货特价热卖!
TI/德州仪器
2447
DIP
100500
一级代理专营品牌!原装正品,优势现货,长期排单到货
ADI
23+
DIP
8000
只做原装现货
TI德州仪器
22+
24000
原装正品现货,实单可谈,量大价优
TI/德州仪器
22+
DIP
12245
现货,原厂原装假一罚十!
最新
2000
原装正品现货
ADI
23+
DIP
7000
MMI
25+23+
DIP
69500
绝对原装正品现货,全新深圳原装进口现货

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