參數(shù)資料
型號(hào)： M41ST85WSH
廠商： 意法半導(dǎo)體
英文描述： 5.0 OR 3.0V, 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR
中文描述： 5.0或3.0V，512位64 × 8串行時(shí)鐘和NVRAM督導(dǎo)員
文件頁(yè)數(shù)： 23/33頁(yè)
文件大?。?/td> 464K
代理商： M41ST85WSH
23/33
M41ST85Y, M41ST85W
Power-on Reset
The M41ST85Y/W 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 M41ST85Y/W provides two independent in-
puts which can generate an output reset. The du-
ration and function of these resets is identical to a
reset generated by a power cycle. Table 11 and
Figure 20 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 20. RSTIN1 & RSTIN2 Timing Waveforms
Note: With pull-up resistor
Table 11. Reset AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
A
= –40 to 85°C; V
CC
= 4.5 to 5.5V or 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 12, page 25).
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M41ST85Y 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
M41ST85YMH 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
M41ST85YMH6 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
M41ST85YMH6E 功能描述:IC RTC 5.0V 512BIT NVRAM 28SOIC RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 實(shí)時(shí)時(shí)鐘 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:時(shí)鐘/日歷 特點(diǎn):警報(bào)器，閏年，SRAM 存儲(chǔ)容量:- 時(shí)間格式:HH:MM:SS（12/24 小時(shí)） 數(shù)據(jù)格式:YY-MM-DD-dd 接口:SPI 電源電壓:2 V ~ 5.5 V 電壓 - 電源，電池:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN EP 包裝:管件
M41ST85YMH6TR 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
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