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SN54LS249J中文资料摩托罗拉数据手册PDF规格书
SN54LS249J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+ |
DIP16 |
1476 |
原装现货,免费供样,技术支持,原厂对接 |
询价 | ||
TI |
25+ |
DIP |
4500 |
全新原装、诚信经营、公司现货销售! |
询价 | ||
TI |
18+ |
CDIP |
85600 |
保证进口原装可开17%增值税发票 |
询价 | ||
TI/TEXAS |
23+ |
DIP陶瓷 |
8931 |
询价 | |||
TI/德州仪器 |
23+ |
DIP16 |
30000 |
代理全新原装现货,价格优势 |
询价 | ||
TI/德州仪器 |
22+ |
CDIP |
12245 |
现货,原厂原装假一罚十! |
询价 | ||
TI/ |
24+ |
CDIP |
5000 |
全新原装正品,现货销售 |
询价 | ||
TI |
24+ |
CDIP |
2685 |
原装优势!自家现货供应!欢迎来电! |
询价 | ||
TI/德州仪器 |
24+ |
CDIP |
3527 |
只供应原装正品 欢迎询价 |
询价 | ||
TI |
07+ |
DIP |
2250 |
绝对全新原装正品,现货质量可保 |
询价 |
