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參數(shù)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(shù)：	16/33頁
文件大小：	481K
代理商：	73S8009C-20IMR/F

DS_8009C_025

73S8009C Data Sheet

Rev. 1.3

3.8

Chip Selection

The CS pin allows multiple circuits to operate in parallel, driven from the same host control bus. When

CS is high, the pins RSTIN,

CMDVCC%, CMDVCC# and CLKIN control the chip as described. The pins

I/OUC, AUX1UC, and AUX2UC have 11k

pull-up resistors and operate to transfer data to the smart card

via I/O, AUX1, and AUX2 when the smart card is activated. The signals

OFF and RDY have 20k pull-up

resistors.

When CS goes low, the states of the pins RSTIN,

CMDVCC%, CMDVCC, and CLKIN are latched and held

internally. The pull-up for pins I/OUC, AUX1UC, and AUX2UC become a very weak pull-up of

approximately 3 microamperes. No transfer of data is possible between I/OUC, AUX1UC, AUX2UC and

the smart-card signals I/O, AUX1, and AUX2. The signals

OFF and RDY are set to high impedance and

the internal pull-up resistors of 20k

are disconnected. With regard to de-activation, CS does not affect

the operation of the fault sensing circuits and card sense input.

OFF, I/OUC,

AUX1UC, AUX2UC

CONTROL SIGNALS

FUNCTIONAL

HI-Z STATE

Figure 9: CS Timing Definitions

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(shù)	參數(shù)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(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(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(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(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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
73S8009C-DB	功能描述:界面開發(fā)工具 73S8009C Demo Brd 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

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