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SN54SLASH74LS249中文资料
SN54SLASH74LS249数据手册规格书PDF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
更新时间：2026-2-27 11:06:00
| 供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
24+ |
N/A |
58000 |
一级代理-主营优势-实惠价格-不悔选择 |
||||
Texas Instruments |
22+ |
CDIP |
8652 |
军用单位指定合供方/只做原装,正品现货 |
|||
TI/德州仪器 |
25+ |
原厂封装 |
10280 |
原厂授权代理,专注军工、汽车、医疗、工业、新能源！ |
|||
TI/德州仪器 |
25+ |
原厂封装 |
10280 |
||||
TI/德州仪器 |
25+ |
原厂封装 |
11000 |
||||
TI/德州仪器 |
25+ |
原厂封装 |
10280 |
||||
TI |
25+ |
TSSOP-24 |
20948 |
样件支持,可原厂排单订货! |
|||
TI |
25+ |
TSSOP-24 |
21000 |
正规渠道,免费送样。支持账期,BOM一站式配齐 |
|||
24+ |
3000 |
自己现货 |
|||||
TI/德州仪器 |
23+ |
CDIP |
11200 |
原厂授权一级代理、全球订货优势渠道、可提供一站式BO |
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