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參數(shù)資料
| 型號： | NCN6001 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Compact Smart Card Interface IC |
| 中文描述： | 緊湊型智能卡接口IC |
| 文件頁數(shù)： | 16/36頁 |
| 文件大?。?/td> | 332K |
| 代理商： | NCN6001 |
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NCN6001
http://onsemi.com
16
POWER DOWN SEQUENCE
The NCN6001 provides an automatic Power Down
sequence, according to the ISO7816-3 specifications, and
the communication session terminates immediately. The
sequence is launched when the card is extracted, or when the
CRD_VCC voltage is overloaded as described by the
ISO/CEI 7816-3 sequence depicted hereafter:
ISO7816-3 sequence:
Force RST to Low
Force CLK to Low, unless it is already in this state
Force C4 & C8 to Low
Force CRD_IO to Low
Shut Off the CRD_VCC supply
Since the internal digital filter is activated for any card
insertion or extraction, the physical power sequence will be
activated 50 s (typical) after the card has been extracted. Of
course, such a delay does not exist when the MPU
intentionally launches the power down. Figure 6 shows the
oscillogram captured in the NCN6001 demo board.
The internal active pull down NMOS connected across
CRD_VCC and GND discharges the external reservoir
capacitor in 100 s (typical), assuming Cout = 10 F.
Figure 6. Typical Power Down Sequence
Typical delay between each signal is 500 ns
The internal active pull down NMOS connected across CRD_VCC and GND discharges the external reservoir capacitor in
100 s (typical), assuming Cout = 10 F.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCN6001/D | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Compact Smart Card Interface IC |
| NCN6001_06 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Compact Smart Card Interface IC |
| NCN6001_0610 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Smartcard Interface ICs |
| NCN6001DTBEVB | 功能描述:界面開發(fā)工具 NCN6001 TSSOP EVAL BOARD RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| NCN6001DTBR2 | 功能描述:輸入/輸出控制器接口集成電路 2.7V POS/ATM Smart RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
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