MAX1741EUB Maxim Integrated Products, MAX1741EUB Datasheet

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MAX1741EUB

Manufacturer Part Number
MAX1741EUB
Description
Communication ICs - Various
Manufacturer
Maxim Integrated Products
Type
Level Translatorr
Datasheet
1.MAX1740EUBT.pdf (12 pages)

Specifications of MAX1741EUB

Mounting Style
SMD/SMT
Operating Supply Voltage
1.8 V, 2.5 V, 3.3 V, 5 V
Supply Type
Digital
Package / Case
uMAX-10
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.425 V, 2.25 V
Supply Current
1 mA, 0.016 mA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX1740/MAX1741 subscriber identity module
(SIM)/smart card level translators provide level shifting
and electrostatic discharge (ESD) protection for SIM and
smart card ports. These devices integrate two unidirec-
tional level shifters for the reset and clock signals, a bidi-
rectional level shifter for the serial data stream, and
±10kV ESD protection on all card contacts.
The MAX1740 includes a SHDN control input to aid
insertion and removal of SIM and smart cards, while the
MAX1741 includes a system-side data driver to support
system controllers without open-drain outputs. The logic
supply voltage range is +1.425V to +5.5V for the “con-
troller side” and +2.25V to +5.5V for the “card side.”
Total supply current is 2.5µA max. Both devices automat-
ically shut down when either power supply is removed.
For a complete SIM-card interface, combine the
MAX1740/MAX1741 with the MAX1686H 0V/3V/5V regu-
lated charge pump.
The MAX1740/MAX1741 are available in ultra-small 10-
pin µMAX packages that are only 1.09mm high and half
the area of an 8-pin SO.
The MAX1740/MAX1741 are compliant with GSM test
specifications 11.11 and 11.12.
19-1458; Rev 0; 1/00
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
SIM Interface in GSM Cellular Telephones
Smart Card Readers
Logic Level Translation
SPI™/QSPI™/MICROWIRE™ Level Translation
CONTROLLER
SYSTEM
DV
GND
CC
OPTIONAL
OPTIONAL
DV
Typical Operating Circuit
CC
________________________________________________________________ Maxim Integrated Products
*
DV
RIN
CIN
DATA
SHDN*
DDRV*
SHDN FOR MAX1740 ONLY
DDRV FOR MAX1741 ONLY
General Description
CC
MAX1740
MAX1741
CLK
GND
RST
V
IO
CC
SIM/Smart Card Level Translators
Applications
V
CC
IO
GND
V
CLK
RST
CC
SIM OR
SMART
CARD
o SIM/Smart Card Level Shifting
o ±10kV ESD Card Socket Protection
o Allows Level Translation with DV
o Automatically Shuts Down When Either Supply Is
o Card Contacts Actively Pulled Low During
o +1.425V to +5.5V Controller Voltage Range
o +2.25V to +5.5V Card Voltage Range
o 2.5µA (max) Total Quiescent Supply Current
o 0.01µA Total Shutdown Supply Current
o Ultra-Small 10-Pin µMAX Package
o Compliant with GSM Test Specifications 11.11
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
MAX1740EUB
MAX1741EUB
DV
Removed
Shutdown
and 11.12
( ) ARE FOR MAX1741.
CC
PART
TOP VIEW
≤ V
SHDN (DDRV)
CC
DATA
DV
CIN
RIN
CC
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
1
2
3
4
5
Ordering Information
MAX1740
MAX1741
µMAX
Pin Configuration
in µMAX
10
8
6
9
7
CC
10 µMAX
10 µMAX
PIN-PACKAGE
IO
V
CLK
RST
GND
CC
≥ V
Features
CC
or
1

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MAX1741EUB Summary of contents

Page 1

... Card Voltage Range o 2.5µA (max) Total Quiescent Supply Current o 0.01µA Total Shutdown Supply Current o Ultra-Small 10-Pin µMAX Package o Compliant with GSM Test Specifications 11.11 and 11.12 Applications PART MAX1740EUB MAX1741EUB V CC TOP VIEW V CC RST SIM OR SMART ...

Page 2

SIM/Smart Card Level Translators in µMAX ABSOLUTE MAXIMUM RATINGS GND................................................-0.3V to +6. RIN, CIN, DATA, DDRV, SHDN to GND ......................................-0.3V to (DV RST, CLK GND ................................-0. Continuous Power Dissipation (T ...

Page 3

ELECTRICAL CHARACTERISTICS (continued) = +3.0V or +5.0V, SHDN = DV (Figure +1.8V 30pF CLK RST DATA PARAMETER SYMBOL Output Low Level V OL(DATA) Output ...

Page 4

SIM/Smart Card Level Translators in µMAX ELECTRICAL CHARACTERISTICS = +3.0V or +5.0V, SHDN = DV (Figure +1.8V 30pF CLK RST DATA A PARAMETER SYMBOL ...

Page 5

ELECTRICAL CHARACTERISTICS (continued) = +3.0V or +5.0V, SHDN = DV (Figure +1.8V 30pF CLK RST DATA PARAMETER SYMBOL SHUTDOWN OUTPUT LEVELS Shutdown Output Levels ...

Page 6

SIM/Smart Card Level Translators in µMAX (Circuit of Figure 3.0V 5.0V, DDRV or DATA = CIN TO CLK WAVEFORM 3.25MHz CIN 40ns/div UNDERVOLTAGE SHUTDOWN WAVEFORM 1.5V ...

Page 7

PIN NAME MAX1740 MAX1741 1 1 DATA CIN 4 4 RIN — 5 DDRV SHDN 5 — GND 7 7 RST 8 8 CLK Detailed ...

Page 8

SIM/Smart Card Level Translators in µMAX All level translation is valid for The MAX1740/MAX1741 contain internal pull-up CC resistors from DATA to the controller-side supply (DV ) and from IO to the card-side supply (V CC ...

Page 9

1500Ω DISCHARGE CHARGE-CURRENT RESISTANCE LIMIT RESISTOR HIGH STORAGE VOLTAGE 100pF CAPACITOR DC SOURCE Figure 3a. Human Body ESD Test Model +3.0V CXN CXP OUT MAX1686 MAX1686H GND 3/5 PGND SHDN ...

Page 10

SIM/Smart Card Level Translators in µMAX ________________________________________________________Package Information Note: The MAX1740/MAX1741 do not have an exposed pad. 10 ______________________________________________________________________________________ ...

Page 11

SIM/Smart Card Level Translators ______________________________________________________________________________________ NOTES in µMAX 11 ...

Page 12

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2000 Maxim Integrated Products ...

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