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參數(shù)資料
| 型號(hào)： | 73S8024RN-IM/F |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/27頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SMART CARD INTERFACE 32SOIC |
| 標(biāo)準(zhǔn)包裝： | 490 |
| 系列： | * |
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73S8024RN Data Sheet
DS_8024RN_020
12
Rev. 2
8 Deactivation Sequence
Deactivation is initiated either by the system controller by setting the CMDVCC high, or automatically in
the event of hardware faults. Hardware faults are over-current, overheating, VDD fault, VPC fault, VCC fault,
and card extraction during the session. To be noted that VPC and VCC faults are linked together so that a
fault is generated when VPC goes lower than VCC.
The following steps show the deactivation sequence and the timing of the card control signals when the
system controller sets the CMDVCC high or OFF goes low due to a fault or card removal:
RST goes low at the end of t1.
CLK is set low at the end of t2.
I/O goes low at the end of t3. Out of reception mode.
VCC is shut down at the end of time t4. After a delay t5 (discharge of the VCC capacitor), VCC is low.
RST
CLK
I/O
VCC
t1
t2
t3
t4
t5
CMDVCC
-- OR --
OFF
t1 = > 0.5s, timing by 1.5MHz internal Oscillator
t2 = > 7.5s
t3 = > 0.5s
t4 = > 0.5s
t5 = depends on VCC filter capacitor.
For NDS application, CF=1F makes t1 + t2 + t3 + t4 + t5 < 100s
Figure 4: Deactivation Sequence
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 73S8024RN-IMR/F | 功能描述:輸入/輸出控制器接口集成電路 Smart Card Interface ISO7816-3 & EVM4.0 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 |
| 73S8024RN-IMR/F1 | 功能描述:輸入/輸出控制器接口集成電路 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 |
| 73S8024RN-IMR/F2 | 功能描述:輸入/輸出控制器接口集成電路 Smart Card Interface ISO7816-3 & EVM4.0 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 |
| 73ST32BFA | 制造商:Siemens 功能描述: |
| 73ST32DFA | 制造商:Siemens 功能描述: |
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