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:2026-3-14 22:58:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
HITACHI
2016+
DIP14
9000
只做原装,假一罚十,公司可开17%增值税发票!
RENESAS
24+
DIP14
36500
原装现货/放心购买
HIT
24+
SMD
20000
一级代理原装现货假一罚十
HITACHI
2450+
DIP14
9850
只做原装正品现货或订货假一赔十!
HITACHI/日立
22+
DIP-14
8000
原装正品支持实单
HITACH
25+
DIP
3200
全新原装、诚信经营、公司现货销售
HIT
24+
DIP
300
HIT
23+
DIP/14/磁
7000
绝对全新原装!100%保质量特价!请放心订购!
RENESAS
19+
DIP
4031
全新 发货1-2天
HIT
DIP
68500
一级代理 原装正品假一罚十价格优势长期供货

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