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參數(shù)資料
| 型號： | MIC4555YML TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 8/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SIM CARD LEVEL SHIFTER 16MLF |
| 標準包裝： | 1 |
| 邏輯功能： | 電平移位器，雙向 |
| 位數(shù)： | 1 |
| 輸入類型： | 電壓 |
| 輸出類型： | 電壓 |
| 數(shù)據(jù)速率： | 5MHz |
| 通道數(shù)： | 1 |
| 輸出/通道數(shù)目： | 1 |
| 差分 - 輸入:輸出： | 無/無 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 封裝/外殼： | 16-VFQFN 裸露焊盤，16-MLF? |
| 供應(yīng)商設(shè)備封裝： | 16-MLF?（3x3） |
| 包裝： | 標準包裝 |
| 其它名稱： | 576-3962-6 |
Micrel Inc.
MIC4555
September 2011
2
M9999-092311-B
Ordering Information
Part Number
Marking Code
LDO Output Voltage
Junction Temperature Range
Package
MIC4555YML
4555
1.8V/3.0V
–40
°C to +125°C
3mm x 3mm 16-Pin MLF
Pin Configuration
3mm x 3mm MLF
(Top View)
Pin Description
Pin Number
Pin Name
Description
1
EN
Enable input from controller. This pin should be high (DVCC) for normal operation and low (<0.4V) to
activate a low-current shutdown mode.
2
VSEL
VCC voltage select input from the controller. A low level selects VCC = 1.8V while driving this pin to
DVCC selects VCC = 3V.
3
DVCC
Supply Voltage for the Controller Side I/O Pins (CIN, RIN, DATA). When below 1.1V typical, the VCC
supply is disabled. This pin should be bypassed with a 1μF ceramic capacitor close to the pin.
4
N/C
Not Connected.
5
VBAT
SIM LDO supply input. This pin can function between 2.7V and 5.5V for normal operation. This pin
should be bypassed with a 1μF ceramic capacitor close to the pin.
6
N/C
Not Connected
7
VCC
SIM LDO output provides SIM card VCC supply. A 1μF low-ESR capacitor should be connected close
to the VCC pin for stable operation. This pin is discharged to GND during shutdown.
8
I/O
SIM Data I/O. The SIM card output must be on an open drain driver capable of sourcing >1mA.
9
RST
Reset output pin for the SIM card.
10
GND
Common ground for the SIM and controller side.
11
CLK
Clock output pin for the SIM Card. This pin is pulled to ground during shutdown.
12
N/C
Not Connected.
13
CIN
Clock input from the controller.
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