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參數資料
| 型號： | 73S8009C-20IMR/F |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC20 |
| 封裝： | ROHS COMPLIANT, QFN-20 |
| 文件頁數： | 15/33頁 |
| 文件大小： | 481K |
| 代理商： | 73S8009C-20IMR/F |
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73S8009C Data Sheet
DS_8009C_025
22
Rev. 1.3
CMDVCC
RS T
CLK
I/O
VCC_ON
V CC
t1
t2
t3
t4
t5
Figure 7: Deactivation Sequence
3.7
OFF and Fault Detection
There are two different cases that the system controller can monitor the
OFF signal: to query regarding
the card presence outside card sessions, or for fault detection during card sessions.
Outside a card session: In this condition,
CMDVCC (#/%) are always high, OFF is low if the card is not
present, and high if the card is present. Because it is outside a card session, no fault detection can occur
and it will not act upon the
OFF signal. No deactivation is required during this time.
During a card session:
CMDVCC# and/or CMDVCC% is always low, and OFF falls low if the card is
extracted or if any fault detection is detected. At the same time that
OFF is set low, the sequencer starts
the deactivation process and the host should stop all transitions on the signal lines.
Figure 8 shows the timing diagram for the signals
CMDVCC (#/%), PRES, and OFF during a card session
and outside the card session.
PRES
OFF
CMDVCC
VCC
out side card session
wit hin card session
OFF is low by
card ext ract ed
OFF is low by
any f ault
wit hin card
session
Figure 8:
OFF Activity
相關PDF資料 |
PDF描述 |
|---|---|
| 73S8009C-20IM/F | 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC20 |
| 73S8009C-32IM/F | POWER SUPPLY SUPPORT CKT, QCC32 |
| 73S8009C-32IMR/F | POWER SUPPLY SUPPORT CKT, QCC32 |
| 73S8009R-ILR | SPECIALTY ANALOG CIRCUIT, PDSO28 |
| 73S8009R-IMR | SPECIALTY ANALOG CIRCUIT, QCC20 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 73S8009C-32IM/F | 功能描述:輸入/輸出控制器接口集成電路 Smart Card Interface IC RoHS:否 制造商:Silicon Labs 產品: 輸入/輸出端數量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| 73S8009C-32IM/F1 | 功能描述:輸入/輸出控制器接口集成電路 Smart Card Interface IC RoHS:否 制造商:Silicon Labs 產品: 輸入/輸出端數量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| 73S8009C-32IMR/F | 功能描述:輸入/輸出控制器接口集成電路 Smart Card Interface IC RoHS:否 制造商:Silicon Labs 產品: 輸入/輸出端數量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| 73S8009C-32IMR/F1 | 功能描述:輸入/輸出控制器接口集成電路 Smart Card Interface IC RoHS:否 制造商:Silicon Labs 產品: 輸入/輸出端數量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| 73S8009C-DB | 功能描述:界面開發工具 73S8009C Demo Brd RoHS:否 制造商:Bourns 產品: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 |
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