參數(shù)資料
型號(hào)： MAX14502AETL+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 34/41頁(yè)
文件大?。?/td> 0K
描述： IC CARD READER USB-SD 40-TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
應(yīng)用： USB
接口： I²C，2 線串口
電源電壓： 1.8 V ~ 3.3 V
封裝/外殼： 40-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 40-TQFN-EP（5x5）
包裝： 帶卷 (TR)
安裝類(lèi)型： 表面貼裝
MAX14500–MAX14503
Hi-Speed USB-to-SD Card
Readers with Bypass
4
_______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VSD < 2.4V
0.8 x
VSD
Input High Voltage
VIH
VSD
≥ 2.4V
0.625 x
VSD
V
VSD < 2.4V
0.2 x
VSD
Input Low Voltage
VIL
VSD
≥ 2.4V
0.25 x
VSD
V
USB INTERFACE
On-Resistance
RON
VCD_ = 0 or VTM, switch closed
5
Ω
On-Resistance Flatness
RONFLAT
VCD_ = 0 to 3.3V, VTM = +3.3V
2
Ω
On-Capacitance
CON_USB
Switch closed, measured from CD+ and
CD-
12
pF
Off-Capacitance
COFF_USB
Switch open, measured from CD+, CD-,
HD+, HD-
6pF
AC CHARACTERISTICS (Note 6)
SD CARD CLOCK TIMING (CCLK_), DEFAULT SPEED (Figure 5a)
Clock Low Time
tWL
CL = 10pF
19
ns
Clock High Time
tWH
CL = 10pF
19
ns
Clock Rise Time
tTLH
CL = 10pF
10
ns
Clock Fall Time
tTHL
CL = 10pF
10
ns
SD CARD CLOCK TIMING (CCLK_), HI-SPEED (Figure 5b)
Clock Low Time
tWL
CL = 40pF
7
ns
Clock High Time
tWH
CL = 40pF
7
ns
Clock Rise Time
tTLH
CL = 40pF
3
ns
Clock Fall Time
tTHL
CL = 40pF
3
ns
SD CARD COMMAND TIMING (CCMD1, CCMD2) (Figure 5b)
Input Setup Time
tISU
5ns
Input Hold Time
tIH
2ns
Output Delay Time During Data
Transfer Mode
tODLY
14
ns
Output Hold Time
tOH
2.5
ns
I2C CHARACTERISTICS
SCL Clock Frequency
fSCL
400
kHz
SDA, SCL Capacitance
CIO_I2C
5pF
SDA Output Fall Time
tOF_I2C
250
ns
Hold Time After Repeated START
tHD,STA
0.6
s
ELECTRICAL CHARACTERISTICS (continued)
(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)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX14502EVKIT+ 功能描述:界面開(kāi)發(fā)工具 MAX14502 Eval Kit RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類(lèi)型:RS-485 工具用于評(píng)估:ADM3485E 接口類(lèi)型:RS-485 工作電源電壓:3.3 V
MAX14503AEWN+ 制造商:Maxim Integrated Products 功能描述:
MAX14503ETL+ 制造商:Maxim Integrated Products 功能描述:
MAX14504EWC+T 功能描述:模擬開(kāi)關(guān) IC Dual SPDT Neg Rail w/ +/-VCC Cap RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX14505AEWC+ 制造商:Maxim Integrated Products 功能描述:DUAL SPDT NEGATIVE RAIL ANALOG SWIT - Rail/Tube
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