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SN74LS249N中文资料摩托罗拉数据手册PDF规格书
SN74LS249N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 |
|---|---|---|---|---|---|---|---|
NS/国半 |
24+ |
NA/ |
69 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | ||
TI(德州仪器) |
24+ |
SOP16 |
7350 |
现货供应,当天可交货!免费送样,原厂技术支持!!! |
询价 | ||
TI |
24+ |
DIP |
166 |
只做原装，欢迎询价，量大价优 |
询价 | ||
TI |
8723 |
DIP-14 |
4 |
原装现货海量库存欢迎咨询 |
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 |
2025+ |
SOIC-16 |
16000 |
原装优势绝对有货 |
询价 | ||
TI |
新 |
18 |
全新原装 货期两周 |
询价 | |||
TI/德州仪器 |
24+ |
DIP16 |
22055 |
郑重承诺只做原装进口现货 |
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 |
