參數(shù)資料
型號： M41ST85W
廠商： 意法半導體
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串行時鐘和NVRAM督導員
文件頁數(shù)： 1/33頁
文件大小： 464K
代理商： M41ST85W
1/33
May 2003
Rev. 4.0
M41ST85Y
M41ST85W
5.0 OR 3.0V, 512 bit (64 x 8) SERIAL
RTC and NVRAM SUPERVISOR
FEATURES SUMMARY
I
5.0 OR 3.0V OPERATING VOLTAGE
I
SERIAL INTERFACE SUPPORTS I
2
C BUS
(400 KHz)
I
NVRAM SUPERVISOR FOR EXTERNAL
LPSRAM
I
OPTIMIZED FOR MINIMAL INTERCONNECT
TO MCU
I
2.5 TO 5.5V OSCILLATOR OPERATING
VOLTAGE
I
AUTOMATIC SWITCH-OVER and DESELECT
CIRCUITRY
I
CHOICE OF POWER-FAIL DESELECT
VOLTAGES
– M41ST85Y: V
CC
= 4.5 to 5.5V;
4.20V
≤
V
PFD
≤
4.50V
– M41ST85W: V
CC
= 2.7 to 3.6V;
2.55V
≤
V
PFD
≤
2.70V
I
1.25V REFERENCE (for PFI/PFO)
I
COUNTERS FOR TENTHS/HUNDREDTHS
OF SECONDS, SECONDS, MINUTES,
HOURS, DAY, DATE, MONTH, YEAR, and
CENTURY
I
44 BYTES OF GENERAL PURPOSE RAM
I
PROGRAMMABLE ALARM and INTERRUPT
FUNCTION (VALID EVEN DURING BATTERY
BACK-UP MODE)
I
WATCHDOG TIMER
I
MICROPROCESSOR POWER-ON RESET
I
BATTERY LOW FLAG
I
POWER-DOWN TIMESTAMP (HT BIT)
I
ULTRA-LOW BATTERY SUPPLY CURRENT
OF 500nA (MAX)
I
PACKAGING INCLUDES A 28-LEAD SOIC and
SNAPHAT
TOP (to be Ordered Separately)
I
SOIC SNAPHAT PACKAGE PROVIDES
DIRECT CONNECTION FOR A SNAPHAT
TOP WHICH CONTAINS THE BATTERY and
CRYSTAL
I
SOIC EMBEDDED CRYSTAL PACKAGE (MX)
OPTION
Figure 1. 28-pin SOIC Package
Figure 2. 28-pin (300mil) SOIC Package
28
1
SOH28 (MH)
SNAPHAT (SH)
Battery & Crystal
SOX28 (MX)
EMBEDDED Crystal
相關PDF資料
PDF描述
M41ST85 5.0 OR 3.0V, 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR
M41ST85WMH6TR RECTIFIER FAST-RECOVERY SINGLE 1A 400V 30A-ifsm 1.3V-vf 40ns 10uA-ir DO-41 1K/BULK
M41ST85WMH6 RECTIFIER FAST-RECOVERY SINGLE 1A 300V 30A-ifsm 1.3V-vf 40ns 10uA-ir DO-41 5K/REEL-13
M41ST87W 5.0, 3.3, or 3.0V, 1280 bit (160 x8) Secure Serial RTC and NVRAM Supervisor with Tamper Detection
M41ST87WMX6 RECTIFIER SCHOTTKY SINGLE 10A 25V 200A-Ifsm 0.45Vf 1A-IR D2PAK 50/TUBE
相關代理商/技術參數(shù)
參數(shù)描述
M41ST85W_06 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.0/3.3V I2C Combination Serial RTC, NVRAM Supervisor and Microprocessor Supervisor
M41ST85W_07 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.0/3.3V I2C combination serial RTC, NVRAM supervisor and microprocessor supervisor
M41ST85W_11 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.0/3.3 V I2C combination serial RTC, NVRAM supervisor and microprocessor supervisor
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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
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