參數(shù)資料
型號： M41ST85W-85MH6TR
廠商： STMICROELECTRONICS
元件分類： 時鐘/數(shù)據(jù)恢復(fù)及定時提取
英文描述： 1 TIMER(S), REAL TIME CLOCK, PDSO28
封裝： 0.330 INCH, SNAPHAT, PLASTIC, SOH-28
文件頁數(shù)： 1/32頁
文件大?。?/td> 171K
代理商： M41ST85W-85MH6TR
1/32
PRELIMINARY DATA
January 2001
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
M41ST85Y
M41ST85W
512 Kbit (64 bit x 8) Serial Access RTC
and NVRAM SUPERVISOR
FEATURES SUMMARY
s
3V or 5V OPERATING VOLTAGE
s
SERIAL INTERFACE SUPPORTS I2C BUS
(400 KHz)
s
NVRAM SUPERVISOR for EXTERNAL
LPSRAM
s
OPTIMIZED for MINIMAL INTERCONNECT to
MCU
s
2.5 to 5.5V CLOCK OPERATING VOLTAGE
s
AUTOMATIC SWITCH-OVER and DESELECT
CIRCUITRY
s
CHOICE of POWER-FAIL DESELECT
VOLTAGES
– M41ST85Y: VCC = 4.5 to 5.5V;
VPFD = 4.40 ± 0.10V
– M41ST85W: VCC = 2.7 to 3.6V;
VPFD = 2.65 ± 0.05V
s
1.25V REFERENCE (for PFI/PFO)
s
COUNTERS FOR TENTHS/HUNDREDTHS of
SECONDS, SECONDS, MINUTES, HOURS,
DAY, DATE, MONTH, YEAR, and CENTURY
s
44 BYTES of GENERAL PURPOSE RAM
s
PROGRAMMABLE ALARM AND INTERRUPT
FUNCTION (VALID EVEN DURING BATTERY
BACK-UP MODE)
s
WATCHDOG TIMER
s
MICROPROCESSOR POWER-ON RESET
s
BATTERY LOW FLAG
s
ULTRA-LOW BATTERY SUPPLY CURRENT
of 500nA (MAX)
s
PACKAGING INCLUDES a 28-LEAD SOIC and
SNAPHAT TOP (to be Ordered Separately)
s
SOIC PACKAGE PROVIDES DIRECT
CONNECTION for a SNAPHAT TOP WHICH
CONTAINS the BATTERY and CRYSTAL
Figure 1. Packages
28
1
SOH28 (MH)
SNAPHAT (SH)
Battery & Crystal
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M41ST85WMH 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
M41ST85WMH6 功能描述:實時時鐘 RO 511-M41ST85WMH6E 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 時間格式:HH:MM:SS RTC 存儲容量: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
M41ST85WMH6E 功能描述:實時時鐘 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 時間格式:HH:MM:SS RTC 存儲容量: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
M41ST85WMH6F 功能描述:實時時鐘 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 時間格式:HH:MM:SS RTC 存儲容量: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
M41ST85WMH6F-CUT TAPE 制造商:ST 功能描述:M41ST Series 3.3 V I2C Serial RTC NVRAM / Microprocessor Superviser - SOH-28
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