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型号 功能描述 生产厂家 企业 LOGO 操作
HD74LS490P

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

HD74LS490P

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

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

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

替换型号 功能描述 生产厂家 企业 LOGO 操作

Ouadruple 2-input Positive NAND Gates

HITACHIHitachi Semiconductor

日立日立公司

DUAL 4-BIT DECADE COUNTERS

TI

德州仪器

DUAL DECADE COUNTER

MOTOROLA

摩托罗拉

更新时间:2026-5-22 13:31:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
HUAHONG/华虹
25+
SOT23-5
90000
全新原装现货
HITACHI
2023+
3000
进口原装现货
HIT
2023+
DIP
5800
进口原装,现货热卖
HUAHONG/华虹
26+
SOT23-5
6000
原装现货
HITACHI
25+
DIP
37500
原装正品现货,价格有优势!
BGA
6
HIT
23+
DIP16
8560
受权代理!全新原装现货特价热卖!
CSST
23+
QFN
10000
原厂授权一级代理,专业海外优势订货,价格优势、品种
HUAHONG/华虹
2450+
SOT23-5
6540
只做原厂原装正品终端客户免费申请样品
26+
N/A
56000
一级代理-主营优势-实惠价格-不悔选择

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