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型号 功能描述 生产厂家 企业 LOGO 操作
SN54LS290

DECADE AND 4-BIT BINARY COUNTERS

GND and Vcc on Corner Pins (Pins 7 and 14 Respectively) description The SN54290/SN74290, SNS4LS290/SN74LS290, SN54293/SN74293, and SNSALS293/SN74LS293 counters are electrically and functionally identical to the SNS490A/SN7490A, SNSALSIO/SN74LSI0, SN5493A/SN7493A, and SNSALSO3/SN74LSE3, r

TI

德州仪器

SN54LS290

DECADE COUNTER; 4-BIT BINARY COUNTER

The SN54/74LS290 and SN54/74LS293 are high-speed 4-bit ripple type counters partitioned into two sections. • Corner Power Pin Versions of the LS90 and LS93 • Low Power Consumption . . . Typically 45 mW • High Count Rates . . . Typically 42 MHz • Choice of Counting Modes . . . BCD, Bi-Quin

MOTOROLA

摩托罗拉

SN54LS290

DECADE AND 4-BIT BINARY COUNTERS

文件:527.78 Kbytes Page:10 Pages

TI

德州仪器

SN54LS290

DECADE COUNTER; 4-BIT BINARY COUNTER

ETC

知名厂家

SN54LS290

DECADE AND 4-BIT BINARY COUNTERS

文件:297.54 Kbytes Page:8 Pages

TI

德州仪器

DECADE COUNTER; 4-BIT BINARY COUNTER

DECADE COUNTER; 4-BIT BINARY COUNTER The SN54 /74LS290 and SN54 /74LS293 are high-speed 4-bit ripple type counters partitioned into two sections. Each counter has a divide-by-two section and either a divide-by-five (LS290) or divide-by-eight (LS293) section which are triggered by a HIGH-to-LOW tr

ONSEMI

安森美半导体

DECADE COUNTER; 4-BIT BINARY COUNTER

The SN54/74LS290 and SN54/74LS293 are high-speed 4-bit ripple type counters partitioned into two sections. • Corner Power Pin Versions of the LS90 and LS93 • Low Power Consumption . . . Typically 45 mW • High Count Rates . . . Typically 42 MHz • Choice of Counting Modes . . . BCD, Bi-Quin

MOTOROLA

摩托罗拉

DECADE AND 4-BIT BINARY COUNTERS

文件:297.54 Kbytes Page:8 Pages

TI

德州仪器

DECADE AND 4-BIT BINARY COUNTERS

文件:297.54 Kbytes Page:8 Pages

TI

德州仪器

DECADE AND 4-BIT BINARY COUNTERS

文件:297.54 Kbytes Page:8 Pages

TI

德州仪器

更新时间:2026-7-23 23:00:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI
25+
48-VQFN(7x7)
18746
样件支持,可原厂排单订货!
TI
25+
48-VQFN(7x7)
18798
正规渠道,免费送样。支持账期,BOM一站式配齐
SI-EN
2016+
SMD
3000
只做原装,假一罚十,公司可开17%增值税发票!
TI
23+
NA
12000
全新原装假一赔十
TI
22+
48VQFN
9000
原厂渠道,现货配单
SI-EN
20+
SMD
32970
原装优势主营型号-可开原型号增税票
TI
三年内
1983
只做原装正品
TI
25+
48VQFN
20000
原装
TI/MOT
18+
TI/MOT
85600
保证进口原装可开17%增值税发票
TI/TEXAS
26+
DIP陶瓷
8931
代理全系列销售, 全新原装正品,价格优势,长期供应,量大可订

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