参数资料
型号: MAX1741EUB+
厂商: Maxim Integrated Products
文件页数: 12/12页
文件大小: 0K
描述: IC TRANSLATOR LEVEL 10-UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
应用: 智能卡
接口: MICROWIRE?,QSPI?,串行,SPI?
电源电压: 1.43 V ~ 5.5 V,2.25 V ~ 5.5 V
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-µMAX
包装: 管件
安装类型: 表面贴装
MAX1740/MAX1741
SIM/Smart Card Level Translators
in MAX
_______________________________________________________________________________________
9
est, which is then discharged into the test device
through a 1.5k
resistor.
Applications Information
SIM/Smart Card Interface
To provide 5V when interfacing with a 5V SIM/smart
card, 3V systems require a DC-DC converter. The
MAX1686H +5V regulating charge pump for SIM cards
provides 0V/3V/5V for full compatibility with SIM/smart
card specifications. Figure 4 shows the charge pump
for SIM card applications. Alternatively, the MAX619
generates a regulated 5V from input voltages as low as
2V.
SPI/QSPI/MICROWIRE Interface
The MAX1740/MAX1741 are also useful as 3V/5V level
shifters in SPI, QSPI, and MICROWIRE applications
(Figure 5). On the slave side, connect CLK to SCLK,
RST to CS, and IO to DOUT and DIN. The unidirectional
level shifters transfer chip select and clock signals to
the slave device(s), while the bidirectional level shifter
transfers data.
CHARGE-CURRENT
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
100pF
RC
1M
RD
1500
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
Figure 3a. Human Body ESD Test Model
IP 100%
90%
36.8%
tRL
TIME
tDL
CURRENT WAVEFORM
PEAK-TO-PEAK RINGING
(NOT DRAWN TO SCALE)
Ir
10%
0
AMPERES
Figure 3b. Human Body Model Current Waveform
VCC
SIM OR
SMART
CARD
SYSTEM
CONTROLLER
CLK
RST
IO
GND
IO
CLK
RST
OUT
GND
PGND
GND
VCC
DVCC
+3.0V
3.0V OR 5.0V
MAX1740
MAX1741
MAX1686
MAX1686H
SHDN*
SHDN
3/5
OPTIONAL
RIN
IN
CXN
CXP
CIN
OPTIONAL
DATA
DDRV*
SHDN FOR MAX1740 ONLY
DDRV FOR MAX1741 ONLY
*
Figure 4. Using MAX1740/MAX1741 and MAX1686/MAX1686H
Charge Pump for SIM Card Applications
VCC
SPI/QSPI/
MICROWIRE
SYSTEM
CONTROLLER
SCLK
CS
DOUT
DIN
GND
IO
CLK
RST
OUT
SET
PGND
GND
VCC
DVCC
+5.0V
+3.3V
MAX1740
MAX1741
MAX8867
MAX8860
SHDN*
SHDN
OPTIONAL
RIN
IN
CIN
OPTIONAL
DATA
DDRV*
SHDN FOR MAX1740 ONLY
DDRV FOR MAX1741 ONLY
*
Figure 5. MAX1740/MAX1741 with SPI/QSPI/MICROWIRE
Interfaces
TRANSISTOR COUNT: 114
___________________Chip Information
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相关代理商/技术参数
参数描述
MAX1741EUB+ 功能描述:转换 - 电压电平 SIM/Smart Card Level Translator RoHS:否 制造商:Micrel 类型:CML/LVDS/LVPECL to LVCMOS/LVTTL 传播延迟时间:1.9 ns 电源电流:14 mA 电源电压-最大:3.6 V 电源电压-最小:3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MLF-8
MAX1741EUB+T 功能描述:转换 - 电压电平 SIM/Smart Card Level Translator RoHS:否 制造商:Micrel 类型:CML/LVDS/LVPECL to LVCMOS/LVTTL 传播延迟时间:1.9 ns 电源电流:14 mA 电源电压-最大:3.6 V 电源电压-最小:3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MLF-8
MAX1741EUB-T 功能描述:转换 - 电压电平 RoHS:否 制造商:Micrel 类型:CML/LVDS/LVPECL to LVCMOS/LVTTL 传播延迟时间:1.9 ns 电源电流:14 mA 电源电压-最大:3.6 V 电源电压-最小:3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MLF-8
MAX17428GTJ+ 功能描述:电压模式 PWM 控制器 1-Phase Quick-PWM RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel
MAX17428GTJ+G40 功能描述:电压模式 PWM 控制器 1-Phase Quick-PWM RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel