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參數(shù)資料
| 型號： | STM1404 |
| 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） |
| 文件頁數(shù)： | 30/36頁 |
| 文件大小： | 362K |
| 代理商： | STM1404 |
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DC and AC parameters
STM1404
30/36
Physical and environmental tamper detection levels
Figure 28.
Temperature hysteresis
Table 7.
Sym
Parameter
Test
conditions
(1)
Min
Typ
Max
Unit
V
HV
Over voltage trip level
4.0
4.2
4.4
V
V
LV
Under voltage trip level
1.9
2.0
2.1
V
SAL propagation delay time
(after over/under voltage detection)
V
HV
+ 200mV or
V
LV
– 200mV
25
40
μs
V
HTP
Trip point for NH physical tamper
input pins (TP
1
or TP
3
)
V
OUT
- 1.3
(2)
V
OUT
- 0.3
(2)
V
V
LTP
Trip point for NL physical tamper
input pins (TP
2
or TP
4
)
0.3
1.0
V
SAL propagation delay time
(3)
(after physical tamper pin
detection)
V
HTP
=
V
OUT
/V
TPU
;
V
LTP
= V
SS
V
DD
= 3.6
30
50
μs
Physical tamper input (TP
X
) glitch
immunity
15
μs
T
H
Factory-programmed
I
OUT
= 0mA
–5
80, 85, 95
+5
°C
T
L
–5
–25, –35
+5
°C
T
HYST
Temperature hysteresis
10
°C
1.
Valid for ambient operating temperature: T
= –40 to 85°C; V
= V
to V
(except where noted). All Physical and
Environmental Tamper functions are operational across the full temperature alarm range for STM1404.
2.
In the case of STM1404A, Physical Tamper input pins (TP
X
) are referenced to V
OUT
(Pin 12). In the case of STM1404B or
C, TP
X
are referenced to V
TPU
pin (Pin 9).
V
CC
= V
RST
(max) to 3.6V
3.
AI11147b
SAL
TH
Temperature
THYST(High)
THYST(Low)
TL
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