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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:2026-5-20 8:03:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
HIT
23+
DIP16
8560
受权代理!全新原装现货特价热卖!
BGA
6
HIT
05+
DIP16
4
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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
N/A
24+
CDIP
200
进口原装正品优势供应
HIT
25+
2987
只售原装自家现货!诚信经营!欢迎来电!
HITACHI
23+
QFP-144
5500
现货,全新原装
HIT
24+
DIP
300
HUAHONG/华虹
26+
SOT23-5
6000
原装现货
HITACHI
2000
QFP-144
20
原装现货海量库存欢迎咨询

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