參數(shù)資料
型號(hào)： STM1403
廠商： 意法半導(dǎo)體
英文描述： Security Supervisor with Battery Switchover(帶電池轉(zhuǎn)換功能的安全監(jiān)控器)
中文描述： 安全監(jiān)控與電池切換（帶電池轉(zhuǎn)換功能的安全監(jiān)控器）
文件頁(yè)數(shù)： 6/35頁(yè)
文件大?。?/td> 356K
代理商： STM1403
Summary description
STM1403
6/35
Summary description
The STM1403 family of security supervisors are a low power family of intrusion (tamper)
detection chips targeted at manufacturers of POS terminals and other systems, to enable
them to meet
physical and/or environmental
intrusion monitoring requirements as
mandated by various standards, such as Federal Information Processing Standards (FIPS)
Pub 140 entitled “Security Requirements for Cryptographic Modules,” published by the
National Institute of Standards and Technology, U.S. Department of Commerce), EMVCo,
ISO, ZKA, and VISA PED. STM1403 supports target levels 3 and lower
The STM1403 includes Automatic Battery Switchover, RST Output (Open Drain), Manual
(Push-button) Reset Input (MR), Power-fail Comparator (PFI/PFO), Physical and/or
Environmental Tamper Detect/Security Alarm, and Battery Low Voltage Detect features.
The STM1403A also offers a V
REF
(1.237V) as an option on pin 9. On the STM1403B/C, this
pin is V
TPU
(internally switched V
CC
or V
BAT
).
V
OUT
pin modes
The STM1403 is available in three versions, corresponding to three modes of the V
OUT
pin
(Supply Voltage Out), when the SAL (Security Alarm) is asserted (active-low) upon tamper
detection:
STM1403A
V
OUT
stays ON (at V
CC
or V
BAT
) when SAL is driven low (activated).
STM1403B
V
OUT
is set to High-Z when SAL is driven low (activated).
STM1403C
V
OUT
is driven to Ground when SAL is activated (may be used when V
OUT
is connected
directly to the V
CC
pin of the external SRAM that holds the cryptographic codes).
All variants (see
Table 1: Device options
) are pin-compatible and available in a security-
friendly, low profile, 16-pin QFN package.
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