型号 功能描述 生产厂家 企业 LOGO 操作

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

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

Ouadruple 2-input Positive NAND Gates

文件:6.85482 Mbytes Page:273 Pages

HitachiHitachi Semiconductor

日立日立公司

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

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

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

74LS490PC产品属性

  • 类型

    描述

  • 型号

    74LS490PC

  • 制造商

    Fairchild Semiconductor

  • 功能描述

    74LS490PC FSC S6I6B

更新时间:2025-11-22 9:09:02
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
HIT
23+
DIP
62398
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HITACH
25+
DIP
3200
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HIT
2023+
DIP
5800
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2023+
DIP
3000
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HITACHI
24+
CDIP14
23000
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36500
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HIT
24+
DIP
6430
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HIT
22+
DIP
5000
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HITACHI/日立
22+
DIP-14
8000
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HITACHI
2016+
DIP14
9000
只做原装,假一罚十,公司可开17%增值税发票!

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