參數(shù)資料
型號(hào)： M41ST85WMH6F
廠商： 意法半導(dǎo)體
英文描述： 3.0/3.3V I2C Combination Serial RTC, NVRAM Supervisor and Microprocessor Supervisor
中文描述： 3.0/3.3V的I2C串行時(shí)鐘組合，NVRAM中監(jiān)督員和微處理器監(jiān)控
文件頁數(shù)： 20/34頁
文件大?。?/td> 226K
代理商： M41ST85WMH6F
M41ST85W
20/34
Power-on Reset
The M41ST85W continuously monitors V
CC
.
When V
CC
falls to the power fail detect trip point,
the RST pulls low (open drain) and remains low on
power-up for t
rec
after V
CC
passes V
PFD
(max).
The RST pin is an open drain output and an appro-
priate pull-up resistor should be chosen to control
rise time.
Reset Inputs (RSTIN1 & RSTIN2)
The M41ST85W provides two independent inputs
which can generate an output reset. The duration
and function of these resets is identical to a reset
generated by a power cycle.
Table 5.
and
Figure
19.
illustrate the AC reset characteristics of this
function. Pulses shorter than t
RLRH1
and t
RLRH2
will not generate a reset condition. RSTIN1
and
RSTIN2 are each internally pulled up to V
CC
through a 100k
resistor.
Figure 19. RSTIN1 & RSTIN2 Timing Waveforms
Note: With pull-up resistor
Table 5. Reset AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
A
= –40 to 85°C; V
CC
= 2.7 to 3.6V (except where noted).
2. Pulse width less than 50ns will result in no RESET (for noise immunity).
3. Pulse width less than 20ms will result in no RESET (for noise immunity).
4. Programmable (see
Table 6., page 22
).
Symbol
Parameter
(1)
Min
Max
Unit
t
RLRH1(2)
RSTIN1 Low to RSTIN1 High
200
ns
t
RLRH2(3)
RSTIN2 Low to RSTIN2 High
100
ms
t
R1HRH(4)
RSTIN1 High to RST High
40
200
ms
t
R2HRH(4)
RSTIN2 High to RST High
40
200
ms
AI03665
RSTIN2
RST
(1)
RSTIN1
tRLRH1
tRLRH2
tR1HRH
tR2HRH
相關(guān)PDF資料
PDF描述
M41ST85WMX6E 3.0/3.3V I2C Combination Serial RTC, NVRAM Supervisor and Microprocessor Supervisor
M41ST85WMX6F 3.0/3.3V I2C Combination Serial RTC, NVRAM Supervisor and Microprocessor Supervisor
M41ST95W 5.0 or 3.0V, 512 bit (64 bit x8) Serial RTC (SPI) SRAM and NVRAM Supervisor(5.0/3.0V, 512位(64位x8)串行RTC(SPI) SRAM和NVRAM監(jiān)控電路)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M41ST85WMH6F-CUT TAPE 制造商:ST 功能描述:M41ST Series 3.3 V I2C Serial RTC NVRAM / Microprocessor Superviser - SOH-28
M41ST85WMH6TR 功能描述:實(shí)時(shí)時(shí)鐘 Advanced Analog RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
M41ST85WMSX6 制造商: 功能描述: 制造商:undefined 功能描述:
M41ST85WMX 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 OR 3.0V, 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR
M41ST85WMX6 功能描述:實(shí)時(shí)時(shí)鐘 Serial 512 (64x8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
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