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參數(shù)資料
| 型號： | DS8113-RNG+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 6/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC INTERFACE SMART CARD 28-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 應(yīng)用： | 智能卡 |
| 接口： | 模擬 |
| 電源電壓： | 2.7 V ~ 6 V |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SOIC W |
| 包裝： | 帶卷 (TR) |
| 安裝類型： | 表面貼裝 |
DS8113
Stop Mode (Low-Power Mode)
A low-power state, stop mode, can be entered by forc-
ing the CMDVCC, 5V/3V, and 1_8V input pins to a
logic-high state. Stop mode can only be entered when
the smart card interface is inactive. In stop mode all
internal analog circuits are disabled. The OFF pin fol-
lows the status of the PRES pin. To exit stop mode,
change the state of one or more of the three control
pins to a logic-low. An internal 220s (typ) power-up
delay and the 8ms PRES debounce delay are in effect
and OFF is asserted to allow the internal circuitry to sta-
bilize. This prevents smart card access from occurring
after leaving the stop mode. Figure 8 shows the control
sequence for entering and exiting stop mode. Note that
an in-progress deactivation sequence always finishes
before the DS8113 enters low-power stop mode.
Smart Card Interface
14
______________________________________________________________________________________
CMDVCC
1_8V
5V/3V
STOP MODE
OFF
PRES
VCC
DEACTIVATE INTERFACE
ACTIVATE
STOP MODE
DEACTIVATE
STOP MODE
220
μs DELAY
OFF FOLLOWS
PRES IN STOP MODE
OFF ASSERTED TO
WAIT FOR DELAY
8ms DEBOUNCE
Figure 8. Stop-Mode Sequence
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