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參數(shù)資料
| 型號(hào)： | LC72F3781 |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | 14 X 20 MM, QIP-100 |
| 文件頁(yè)數(shù)： | 6/17頁(yè) |
| 文件大小： | 127K |
| 代理商： | LC72F3781 |
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LC72F3781
No.0459-14/17
Concerning Differences from the LC723781N, 2N, 3N, 4 and 5 Mask Versions
Item
Mask version (LC723781N, 2N, 3N, 4 and 5)
OTP version (LC72F3781)
Design rule
0.35
process
0.45
process
ROM
Masked ROM structure
Flash ROM structure
Write mode
Not available
Available
Design Considerations
1) Although the electrical specifications are the same for the mask and OTP versions, differences may arise in the actual
values for the threshold level of the input ports, output current of the output ports, input sensitivity, etc. Variations
may also be found from lot to lot. It must therefore be kept in mind that if finished products are designed using the
actual values of the samples, these variations may prevent the finished products from operating.
2) The undesirable radiation level is not listed among the specifications. Since differences may arise between the mask
and OTP versions, this must be kept in mind when designing the finished products.
Concerning ROM Writing
1) The job of writing data onto the ROM in-house at SANYO Semiconductor is not currently supported.
2) The LC72F3781 circuit board must be requested as the data writing board.
3) The AF-9706 or AF-9708 made by Ando or the 1890A or 1881XP made by Minato is recommended as the ROM
writer.
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