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參數(shù)資料
| 型號(hào)： | MAX1740EUB |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 其它接口 |
| 英文描述： | SIM/Smart Card Level Translators in レMAX |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, PDSO10 |
| 封裝： | UMAX-10 |
| 文件頁(yè)數(shù)： | 7/12頁(yè) |
| 文件大小： | 327K |
| 代理商： | MAX1740EUB |
M
SIM/Smart Card Level Translators
in μMAX
_______________________________________________________________________________________
7
NAME
2
2
DV
CC
3
3
CIN
4
4
RIN
—
5
DDRV
8
8
CLK
7
7
RST
6
6
GND
5
—
SHDN
10
10
IO
9
9
V
CC
Pin Description
Card-Side Bidirectional Input/Output. An open-drain output with a 10k
pull-up resistor to
V
CC
. For bidirectional data transfer, connect to an open-drain card output capable of sink-
ing 1mA while pulling IO low. Actively pulled low during shutdown.
Supply Voltage for Card-Side Digital Pins. Set at +2.25V to +5.5V. Proper supply bypass-
ing is required to meet ±10kV ESD specifications.
Clock Output to Card. Actively pulled low during shutdown.
Reset Output to Card. Actively pulled low during shutdown.
System Controller and Card Ground
Shutdown Mode Input. Driving
SHDN
low reduces the total supply current to less than
2μA. In shutdown mode, RST, CLK, and IO are actively pulled low and the transfer gate
between DATA and IO is disabled. When not used, connect
SHDN
to DV
CC
.
Optional System Controller Data Input. Connect to controllers without an open-drain out-
put. When not used, connect DDRV to DV
CC
.
System Controller Reset Input
System Controller Clock Input
Supply Voltage for System Controller Digital Pins. Set at +1.425V to +5.5V.
FUNCTION
1
DATA
1
System Controller Data Input/Output. An open-drain input/output with a 20k
pull-up
resistor to DV
CC
. For bidirectional data transfer, connect to an open-drain controller output
capable of sinking 1mA while pulling DATA low. If the controller is not open drain, use
DDRV to send data and DATA to receive data.
MAX1740
MAX1741
PIN
Detailed Description
The MAX1740/MAX1741 provide the necessary level
translation for interfacing with subscriber identity mod-
ules (SIMs) and smart cards in multivoltage systems.
These devices operate with logic supply voltages
between +1.425V and +5.5V on the controller side
(DV
CC
) and between +2.25V and +5.5V on the card side
(V
CC
). The total supply current (I
DVCC
+ I
VCC
) is 2.5μA
(max) while operating in an idle state (see
Electrical
Characteristics
). Figure 2 shows a typical application cir-
cuit and functional diagram.
Level Translation
The MAX1740/MAX1741 provide level translators for a
clock input, a reset input, and a bidirectional data
input/output. The clock and reset inputs (CIN and RIN)
are level shifted from the controller-side supply rails
(DV
CC
to GND) to the card-side supply rails (V
CC
to
GND). When connected to an open-drain controller out-
put, DATA and IO provide bidirectional level translation.
GND
IO
CLK
RST
V
CC
DV
CC
+1.8V
+3.0V OR
+5.0V
30pF
30pF
30pF
30pF
MAX1740
MAX1741
SHDN*
RIN
CIN
DDRV*
DATA
SHDN FOR MAX1740 ONLY
DDRV FOR MAX1741 ONLY
*
NOTE: ALL CAPACITANCES INCLUDE CAPACITIVE LOADS OF
TEST PROBES AND BOARD LAYOUT.
Figure 1. MAX1740/MAX1741 Test Circuit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1741EUB | Replaced by TMS320C6410 : Digital Signal Processor 44-PLCC 0 to 70 |
| MAX1744 | Replaced by TMS320C6410 : Digital Signal Processor 44-PLCC 0 to 70 |
| MAX1745 | High-Voltage, Step-Down DC-DC Controller in レMAX |
| MAX1744EUB | Replaced by TMS320C6410 : Digital Signal Processor 40-PDIP 0 to 70 |
| MAX1745EUB | High-Voltage, Step-Down DC-DC Controller in レMAX |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1740EUB+ | 功能描述:轉(zhuǎn)換 - 電壓電平 SIM/Smart Card Level Translator RoHS:否 制造商:Micrel 類(lèi)型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| MAX1740EUB+T | 功能描述:轉(zhuǎn)換 - 電壓電平 SIM/Smart Card Level Translator RoHS:否 制造商:Micrel 類(lèi)型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| MAX1740EUB-T | 功能描述:轉(zhuǎn)換 - 電壓電平 RoHS:否 制造商:Micrel 類(lèi)型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| MAX17410EVKIT+ | 功能描述:電源管理IC開(kāi)發(fā)工具 MAX17410 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX17410GTM+ | 功能描述:電流型 PWM 控制器 NDA IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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