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| LM317LDR2G资料 | |
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LM317LDR2G PDF Download |
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File Size : 116 KB
Manufacturer:ONS 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 | ||
| 价 格 | |||||
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型 号：LM317LDR2G 厂 家：ONS 封 装： 批 号：0717(SF9 数 量：8999 说 明：Bid Price |
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运 费： 所在地： 新旧程度： |
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