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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:2026-5-16 12:40:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
Rochester
25+
电联咨询
7800
公司现货,提供拆样技术支持
TI/德州仪器
22+
DIP
20000
公司只有原装 品质保障
TI
25+
SOP
2987
只售原装自家现货!诚信经营!欢迎来电!
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
TI/德州仪器
23+
DIP
11200
原厂授权一级代理、全球订货优势渠道、可提供一站式BO
26+
N/A
64000
一级代理-主营优势-实惠价格-不悔选择
ADI
23+
DIP
8000
只做原装现货
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
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

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