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參數(shù)資料
| 型號： | STM1403CTO-Q6F |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 3V FIPS-140 Security Supervisor with Battery Switchover |
| 中文描述： | 3V的FIPS - 140安全監(jiān)控的電池切換 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 162K |
| 代理商： | STM1403CTO-Q6F |
STM1403
2/9
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
phys-
ical and/or environmental
intrusion monitoring
requirements as mandated by various standards,
such as Federal Information Processing Stan-
dards (FIPS) Pub 140 entitled “Security Require-
ments for Cryptographic Modules,” published by
the National Institute of Standards and Technolo-
gy, U.S. Department of Commerce), EMVCo, ISO,
ZKA, and VISA PED. STM1403 supports target
levels 3 and lower
The
STM1403
includes
Switchover, RST Output (Open Drain), Manual
(Push-button) Reset Input (MR), Power-fail Com-
parator (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
).
Automatic Battery
V
OUT
Pin Modes
The STM1403 is available in three versions, corre-
sponding to three modes of the V
OUT
pin (Supply
Voltage Out), when the SAL (Security Alarm) is as-
serted (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.
Figure 2. Logic Diagram
Note: 1. V
REF
only for STM1403A; V
TPU
for STM1403B/C.
2. Normal Mode: Low when V
OUT
is internally switched to
V
CC
and High when V
OUT
is internally switched to battery.
3. SAL, RST, PFO, and BLD are Open Drain.
Table 2. Signal Names
Note: See
PIN DESCRIPTIONS, page 9
of the full datasheet for
details.
1. Normal Mode: Low when V
OUT
is internally switched to
V
CC
and High when V
OUT
is internally switched to battery.
2. SAL, RST, PFO, and BLD are Open Drain.
3. V
REF
only for STM1403A; V
TPU
for STM1403B/C.
AI09682
V
CC
V
BAT
STM1403
V
SS
V
OUT
V
REF
or
V
TPU(1)
V
CCSW(2)
MR
SAL
(3)
BLD
(3)
PFI
TP1 (NH)
TP2
(NL)
TP3
(NH)
TP4
(NL)
PFO
(3)
RST
(3)
Vccsw
(1)
V
CC
Switch Output
MR
Manual (Push-button) Reset Input
PFI
Power-fail Input
TP
1
- TP
4
Independent Physical Tamper
Detect Pins 1 through 4
V
OUT
Supply Voltage Output
RST
(2)
Active-low Reset Output
PFO
(2)
Power-fail Output
SAL
(2)
Security Alarm Output
BLD
(2)
Battery Low Voltage Detect
V
REF(3)
1.237V Reference Voltage
V
TPU(3)
Tamper Pull-up
(V
CC
or V
BAT
)
V
BAT
Back-up Supply Voltage
V
CC
Supply Voltage
V
SS
Ground
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