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SN54/74LS249中文资料摩托罗拉数据手册PDF规格书
SN54/74LS249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 |
|---|---|---|---|---|---|---|---|
TI(德州仪器) |
24+ |
NA/ |
7350 |
现货供应,当天可交货!免费送样,原厂技术支持!!! |
询价 | ||
TI/德州仪器 |
24+ |
NA/ |
3270 |
原厂直销,现货供应,账期支持! |
询价 | ||
TI |
20+ |
CDIP |
35830 |
原装优势主营型号-可开原型号增税票 |
询价 | ||
TI/德州仪器 |
22+ |
CDIP14 |
100000 |
代理渠道/只做原装/可含税 |
询价 | ||
TI |
25+ |
DIP |
500000 |
行业低价,代理渠道 |
询价 | ||
TI |
0012+ |
CDIP |
30 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
询价 | ||
TI/德州仪器 |
23+ |
CDIP14 |
9990 |
正规渠道,只有原装! |
询价 | ||
TI |
23+ |
DIP |
1500 |
绝对全新原装!优势供货渠道!特价!请放心订购! |
询价 | ||
SN5400J |
25+ |
7 |
7 |
询价 | |||
TI/德州仪器 |
24+ |
DIP |
2366 |
只供应原装正品 欢迎询价 |
询价 |
