参数资料
型号: MAX14502AETL+T
厂商: Maxim Integrated Products
文件页数: 38/41页
文件大小: 0K
描述: IC CARD READER USB-SD 40-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: USB
接口: I²C,2 线串口
电源电压: 1.8 V ~ 3.3 V
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(5x5)
包装: 带卷 (TR)
安装类型: 表面贴装
MAX14500–MAX14503
Hi-Speed USB-to-SD Card
Readers with Bypass
6
_______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC CHARACTERISTICS
SE Receiver Input High
VIH
2.0
V
SE Receiver Input Low
VIL
0.8
V
Differential Common-Mode
Voltage
VCM
0.8
2.0
V
Receiver Differential Input
Sensitivity
VDI
0.2
V
Transmitter High
VOH
RL = 15k
Ω connected to GND
2.8
3.6
V
Transmitter Low
VOL
RL = 1.5k
Ω connected to 3.3V
0
0.3
V
Transmitter Output Signal
Crossover Voltage
VCRS
(Note 6)
1.3
2.0
V
Bus Pullup Resistor on Upstream
Facing Port (Idle Bus)
RPUI
0.900
1.25
1.575
k
Ω
Bus Pullup Resistor on Upstream
Facing Port (Upstream Port
Receiving)
RPUA
1.425
2.5
3.090
k
Ω
Input Impedance
ZINP
300
k
Ω
Termination Voltage for Upstream
Facing Port Pullup (RPU)
VTERM
VTM
V
AC CHARACTERISTICS
Rise Time
tFR
420
ns
Fall Time
tFF
420
ns
Differential Rise and Fall Time
Matching
tFRFM
(Note 6)
90
111.11
%
Full-Speed Data Rate
tFDRATHS
11.994
12.030
Mbps
USB FULL-SPEED SOURCE ELECTRICAL CHARACTERISTICS
(VCC = +2.4V to +3.6V, VSD = +2.4V to +3.6V, VIO = +1.5V to +3.6V, VTM = +2.91V to +3.4V, TA = -40°C to +85°C, unless otherwise
noted. Typical values are at VCC = +3.3V, VIO = +2.5V, VSD = +2.5V, VTM = +3.3V, TA = +25°C.) (Note 2)
Note 2: All parameters are tested at TA = +25°C. Specifications over temperature are guaranteed by design.
Note 3: On-resistance is measured by applying voltage and current on the SD card interface (CCLK1, CCMD1, CDAT1_[3:0],
CCLK2, CCMD2, CDAT2_[3:0]).
Note 4: Off-capacitance measured with SD switch open (CCLK1, HCLK1, CCMD1, HCMD1, CDAT1_[3:0], HDAT1_[3:0], CCLK2,
HCLK2, CCMD2, HCMD2, CDAT2_[3:0], HDAT2_[3:0]).
Note 5: On-capacitance measured on SD card side (CCLK1, CCMD1, CDAT1_[3:0], CCLK2, CCMD2, CDAT2_[3:0]).
Note 6: Specifications guaranteed by design.
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