參數(shù)資料
型號： M41ST87WMX6TR
廠商： 意法半導(dǎo)體
英文描述： 5.0, 3.3, or 3.0V, 1280 bit (160 x8) Secure Serial RTC and NVRAM Supervisor with Tamper Detection
中文描述： 5.0，3.3，或3.0V，1280位（160 × 8）安全串行時鐘和NVRAM篡改檢測與監(jiān)控
文件頁數(shù)： 15/40頁
文件大小： 610K
代理商： M41ST87WMX6TR
15/40
M41ST87Y, M41ST87W
Figure 14. Tamper Detect Connection Options
Note: These options are connected to those in Table
3
.
Note: 1. If the CLRX
EXT
Bit is set, a second Tamper to V
OUT
(TPM2 = '1') during t
CLR
will not be detected.
2. If the CLRX
EXT
Bit is set, a second Tamper to V
OUT
(TPM2 = '1') will trigger automatically.
3. Optional external resistor to V
CC
allows the user to bypass sampling when power is “on.”
Table 3. Tamper Detection Truth Table
Note: 1. No battery current drawn during battery back-up.
Option
Mode
TCM
X
TPM
X
I
Normally Open/Tamper to GND
(1)
1
0
II
Normally Open/Tamper to V
OUT(1)
1
1
III
Normally Closed/Tamper to GND
0
0
IV
Normally Closed/Tamper to V
OUT
0
1
AI07075
TPIN
TAMPER HI
(TPMX = 1)
TAMPER LO
(TPMX = 0)
VOUT(1)
TPIN
NORMALLY
CLOSED
(TCMX = 0)
NORMALLY
OPEN
(TCMX = 1)
I.
IV.
II.
III.
TPIN
VOUT(2)
TCHI/TCLO = 0
1M
10M
TCHI/TCLO = 1
TCHI/TCLO = 0
TCHI/TCLO = 1
1M
10M
VOUT (Int)
VCC
(3)
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M41ST87Y_08 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM
M41ST87Y_10 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM
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