SIST ETS 300 641 E3:2003
(Main)Digital cellular telecommunications system (Phase 2) (GSM); Specification of the 3 Volt Subscriber Identity Module - Mobile Equipment (SIM - ME) interface (GSM 11.12 version 4.3.1)
- Abstract
SUBJECT RST Signal Electrical Characteristics
- Status
- Published
- Publication Date
- 30-Nov-2003
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Dec-2003
- Due Date
- 01-Dec-2003
- Completion Date
- 01-Dec-2003
SIST ETS 300 641 E3:2003 is the Slovenian adoption of ETS 300 641 Edition 3, published by SIST. It specifies the 3 Volt Subscriber Identity Module - Mobile Equipment (SIM - ME) interface for GSM Phase 2 mobile stations, with the electrical and logical rules needed when the interface runs at 3 V.
The standard tells designers and testers how a GSM Mobile Equipment (ME) should work with a 3V SIM, and when it must fall back to the 5V rules in GSM 11.11. It is mainly about compatibility, power-up behaviour, identification, and the electrical limits of the SIM contacts.
What does SIST ETS 300 641 E3:2003 specify?
SIST ETS 300 641 E3:2003 specifies the parts of the SIM - ME interface that are based on 3V technology. It applies to the Mobile Station (MS) and covers the differences from GSM 11.11.
The document is organized into a scope, normative references, definitions, abbreviations and symbols, a 3V technology section, and an electrical specifications section. Clause 4 deals with how 3V SIMs and MEs are identified and used, and clause 5 gives the electrical limits for the interface signals.
What are the key requirements of SIST ETS 300 641 E3:2003?
3V and 5V operation
A 3V technology SIM shall operate at both 3V and 5V, and a 3V technology ME shall initially activate the SIM at 3V. If the ME supplies 5V, operation follows GSM 11.11; if it detects a 3V SIM, it may stay at 3V.
In practice, this means the ME must handle both voltage families correctly if it claims cross compatibility. Product teams need to design the power-up logic so the SIM is not started in the wrong mode.
SIM identification and command sequence
Clause 4.3 defines a SIM identification bit in the status information. The ME shall read that identification immediately after the Answer To Reset (ATR) and before any other command, using SELECT GSM and STATUS/GET RESPONSE.
This matters because the ME must decide early whether the card is a 3V technology SIM or a 5V only SIM. A wrong decision can lead to unreliable operation or to rejecting a card that cannot run safely at 3V.
Activation, deactivation, and voltage switching
Clause 4.4 and 4.5 define startup behaviour for 3V technology ME and 3V only ME. A 3V only ME shall reject a 5V only SIM, or a SIM that cannot be identified, without continuing the session.
Clause 4.7 requires voltage switching to be done by deactivating the SIM and then activating it at the new supply voltage. In practice, the interface must not be switched live.
Electrical limits on the interface
Clause 5 sets the electrical specification for the 3V SIM - ME interface. It covers the supply voltage range, current consumption, clock behaviour, and the electrical characteristics of I/O, CLK, and RST.
The tables in clause 5 are the hardware design rules for the interface. They tell engineers what voltage thresholds, timing limits, and signal transitions the SIM and ME must tolerate.
Clocking and contact use
When powered according to this ETS, the SIM uses a clock frequency in the 1 to 4 MHz range. The clock duty cycle must stay within defined limits, and frequency changes must avoid pulses that are too short.
The interface does not support Vpp, and contact C6 shall not be connected in the ME if it is provided. That affects connector design, card readers, and compliance testing.
What terms does SIST ETS 300 641 E3:2003 define?
- 3V technology SIM - A SIM that operates at both 3V ± 10 % and 5V ± 10 %.
- 3V technology ME - An ME that supports the SIM - ME interface at 3V under this ETS and at 5V under GSM 11.11.
- 3V only ME - An ME that operates the SIM - ME interface only at 3V.
- ATR (Answer To Reset) - The SIM response used by the ME to begin interface setup and compatibility checks.
- SIM (Subscriber Identity Module) - The card that stores subscriber identity and works with the Mobile Equipment.
- ME (Mobile Equipment) - The equipment that powers, activates, and communicates with the SIM.
- RST (Reset) - The reset signal used during SIM start-up and control.
- CLK (Clock) - The clock signal that drives SIM timing during operation.
Who uses SIST ETS 300 641 E3:2003?
SIM card manufacturers use this standard when designing cards that must operate safely at 3V and, where needed, at 5V. Mobile phone and modem designers use it to define the SIM interface hardware and the power-up sequence.
Test laboratories and interoperability teams use it to check voltage switching, ATR handling, and interface timing. Quality managers and buyers use it to confirm whether a product supports 3V-only operation or full 3V/5V compatibility.
Which standards are used with SIST ETS 300 641 E3:2003?
- GSM 11.11 (ETS 300 608) - Provides the general SIM - ME interface rules that apply wherever this ETS does not add 3V-specific requirements.
- It also provides the 5V operation rules, including activation, deactivation, and error handling referenced in the 3V-specific clauses.
What does the SIST ETS 300 641 E3:2003 document contain?
The document contains the scope, a short list of normative references, and a definitions section for 3V technology SIM, 3V technology ME, and 3V only ME. Clause 4 explains identification, activation, deactivation, voltage switching, cross compatibility, and the operational implications of 3V technology.
Clause 5 provides the electrical specifications for the SIM - ME interface, including the signal characteristics for I/O, CLK, and RST, plus the supply voltage limits and current requirements. The main technical detail is presented in Tables 1 to 4, which set the interface limits used for design and test work.
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Frequently Asked Questions
SIST ETS 300 641 E3:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Digital cellular telecommunications system (Phase 2) (GSM); Specification of the 3 Volt Subscriber Identity Module - Mobile Equipment (SIM - ME) interface (GSM 11.12 version 4.3.1)". This standard covers: SUBJECT RST Signal Electrical Characteristics
SUBJECT RST Signal Electrical Characteristics
SIST ETS 300 641 E3:2003 is classified under the following ICS (International Classification for Standards) categories: 33.070.50 - Global System for Mobile Communication (GSM). The ICS classification helps identify the subject area and facilitates finding related standards.
SIST ETS 300 641 E3:2003 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-december-2003
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Digital cellular telecommunications system (Phase 2) (GSM); Specification of the 3 Volt
Subscriber Identity Module - Mobile Equipment (SIM - ME) interface (GSM 11.12 version
4.3.1)
Ta slovenski standard je istoveten z: ETS 300 641 Edition 3
ICS:
33.070.50 Globalni sistem za mobilno Global System for Mobile
telekomunikacijo (GSM) Communication (GSM)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN ETS 300 641
TELECOMMUNICATION March 1998
STANDARD Third Edition
Source: SMG Reference: RE/SMG-091112QR1
ICS: 33.020
Key words: Digital cellular telecommunications system, Global System for Mobile communications (GSM)
R
GLOBAL SYSTEM FOR
MOBILE COMMUNICATIONS
Digital cellular telecommunications system (Phase 2);
Specification of the 3 Volt
Subscriber Identity Module - Mobile Equipment (SIM-ME)
interface
(GSM 11.12 version 4.3.1)
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
Postal address: F-06921 Sophia Antipolis CEDEX - FRANCE
Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Internet: secretariat@etsi.fr - http://www.etsi.fr - http://www.etsi.org
Tel.: +33 4 92 94 42 00 - Fax: +33 4 93 65 47 16
Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the
foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 1998. All rights reserved.
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ETS 300 641 (GSM 11.12 version 4.3.1): March 1998
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.
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ETS 300 641 (GSM 11.12 version 4.3.1): March 1998
Contents
Foreword .5
1 Scope .7
2 Normative references.7
3 Definitions, abbreviations and symbols.7
3.1 Definitions .7
3.2 Abbreviations .7
3.3 Symbols .7
4 3V technology.8
4.1 3V technology SIM.8
4.2 3V technology impact.8
4.3 3V technology SIM Identification.8
4.4 3V technology ME.8
4.5 3V Only ME.8
4.6 Activation and deactivation .9
4.7 Supply voltage switching.9
4.8 Cross compatibility.9
4.9 Outlook.9
5 Electrical specifications of the SIM - ME interface .9
History.11
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ETS 300 641 (GSM 11.12 version 4.3.1): March 1998
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ETS 300 641 (GSM 11.12 version 4.3.1): March 1998
Foreword
This third edition European Telecommunications Standard (ETS) has been produced by the Special
Mobile Group (SMG) of the European Telecommunications Standards Institute (ETSI).
This ETS defines the aspects of the Subscriber Identity Module - Mobile Equipment (SIM - ME) interface
which are based on 3V technology to be used in the Mobile Station (MS) within the digital cellular
telecommunications system (Phase 2).
Transposition dates
Date of adoption of this ETS: 3 April 1998
Date of latest announcement of this ETS (doa): 30 June 1998
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 31 December 1998
Date of withdrawal of any conflicting National Standard (dow): 31 December 1998
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ETS 300 641 (GSM 11.12 version 4.3.1): March 1998
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ETS 300 641 (GSM 11.12 version 4.3.1): March 1998
1 Scope
This European Telecommunications Standard (ETS) defines the aspects of the Subscriber Identity
Module-Mobile Equipment (SIM - ME) interface which are based on 3V technology to be used in the
Mobile Station (MS). It specifies the electrical and logical requirements necessary for the operation of the
3V SIM - ME interface where it differs from GSM 11.11 (ETS 300 608) [1]. For all aspects of the SIM - ME
interface which are not covered by this ETS, GSM 11.11 (ETS 300 608) [1] applies.
2 Normative references
This ETS incorporates by dated and non-dated reference, provisions from other publications. This
normative reference is cited at the appropriate places in the text and the publications are listed hereafter.
For dated references, subsequent amendments to or revisions of any of these publications apply to this
ETS only when incorporated in it by amendment or revision. For non-dated references the latest edition of
the publication referred to applies.
[1] GSM 11.11 (ETS 300 608): "Digital cellular telecommunications system
(Phase 2); Specification of the Subscriber Identity Module-Mobile Equipment
(SIM - ME) interface".
3 Definitions, abbreviations and symbols
3.1 Definitions
For the purposes of this ETS, the following definitions apply.
3V technology SIM: A SIM operating at 3V ± 10 % and 5V ± 10 %.
3V technology ME: An ME operating the SIM - ME interface at 3V ± 10 % according to this ETS and
5V ± 10 % according to GSM 11.11 (ETS 300 608) [1].
3V only ME: An ME only operating the SIM - ME interface at 3V ± 10 % according to this
ETS.
3.2 Abbreviations
For the purposes of this ETS, the following abbreviations apply.
ATR Answer To Reset
CLK Clock
IC Integrated Circuit
I/O Input/Output
ME Mobile Equipment
MS Mobile Station
RST Reset
SIM Subscriber Identity Module
3.3 Symbols
For the purposes of this ETS, the following symbols apply.
t fall time
F
t rise time
R
V Input Voltage (high)
IH
V Input Voltage (low)
IL
V Output Voltage (high)
OH
V Output Voltage (low)
OL
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ETS 300 641 (GSM 11.12 version 4.3.1): March 1998
4 3V technology
4.1 3V technology SIM
The SIM shall operate on both 5V ± 10 % according to GSM 11.11 (ETS 300 608) [1
...