SN74LS249中文资料摩托罗拉数据手册PDF规格书
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SN74LS249规格书详情
The SN54/74LS247 thru SN54/74LS249 are BCD-to-Seven-Segment Decoder/Drivers. The LS247 and LS248 are functionally and electrically identical to the LS47 and LS48 with the same pinout configuration. The LS249 is a 16-pin version of the 14-pin LS49 and includes full functional capability for lamp test and ripple blanking which was not available in the LS49.
LS247
• Open-Collector Outputs Drive Indicators Directly
• Lamp-Test Provision
• Leading/Trailing Zero Suppression
LS248
• Internal Pull-Ups Eliminate Need for External Resistors
• Lamp-Test Provision
• Leading/Trailing Zero Suppression
LS249
• Open-Collector Outputs
• Lamp-Test Provision
• Leading/Trailing Zero Suppression
| 供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
Texas Instruments |
24+25+ |
16500 |
全新原厂原装现货!受权代理!可送样可提供技术支持! |
询价 | |||
Texas Instruments |
23+ |
16-SOIC |
4500 |
原装正品 正规报关 可开增值税票 |
询价 | ||
TI |
24+ |
DIP16 |
5000 |
自己现货 |
询价 | ||
TI |
23+ |
16/SSOP |
5000 |
原装正品,假一罚十 |
询价 | ||
TI/德州仪器 |
25+ |
DIP16 |
2850 |
全新原装正品支持含税 |
询价 | ||
TexasInstruments |
18+ |
ICDATASELECT/MUX8-116-SO |
6800 |
公司原装现货/欢迎来电咨询! |
询价 | ||
ADI |
23+ |
DIP |
7000 |
询价 | |||
Texas Instruments |
2022+ |
原厂原包装 |
6800 |
全新原装 支持表配单 中国著名电子元器件独立分销 |
询价 | ||
TI/德州仪器 |
22+ |
SOIC-16 |
20000 |
公司只有原装 品质保障 |
询价 | ||
TI/德州仪器 |
22+ |
DIP |
20000 |
原装现货,实单支持 |
询价 |
