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| FMMT717TA资料 | |
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FMMT717TA PDF Download |
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File Size : 116 KB
Manufacturer:ZETEX Description:These pins form a 5´8 keyboard matrix which can perform keyboard input detection and dialing specification setting functions. When on-hook (HKS=high) all the pins are set high. While off-hook the column group (C1~C8) remains low and the row group (R1~R5) is set high for key input detection. An inexpensive single contact 5´8 keyboard can be used as an input device. Pressing a key connects a single column to a sin- gle row, and actuates the system oscillator that results in a di- aling signal output. If more than two keys are pressed at the same time, no response occurs. The key-in debounce time is 20ms. Refer to the keyboard information for keyboard ar- rangement and to the functional description for dialing speci- fication selection. |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：FMMT717TA 厂 家：ZETEX 封 装：SOT-153 批 号：00+ 数 量：3000 说 明：绝对全新原装大量现货，质量保证，欢迎来电查询 |
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运 费： 所在地： 新旧程度： |
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| 联系人：李利媛 |
| 电 话：0755/83019596,83247541,83247486 |
| 手 机：13480648723 |
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| 传 真：0755-83016216 |
| EMail：aoliteng1@163.com |
| 公司地址： 广东省深圳市福田区振兴西路新欣大厦B座518室 |
