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:2026-1-29 17:30:02
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
HITACHI
2450+
DIP14
9850
只做原装正品现货或订货假一赔十!
HIT
24+
SMD
20000
一级代理原装现货假一罚十
HITACH
25+
DIP
3200
全新原装、诚信经营、公司现货销售
HIT
24+
DIP
100
只做原装正品现货 欢迎来电查询15919825718
HIT
22+
DIP
5000
只做原装鄙视假货15118075546
HIT
23+
DIP/14/磁
7000
绝对全新原装!100%保质量特价!请放心订购!
HITACHI/日立
22+
DIP-14
8000
原装正品支持实单
HIT
24+
DIP
300
HITACHI/日立
23+
DIP14
66600
专业芯片配单原装正品假一罚十
RENESAS
19+
DIP
4031

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