參數(shù)資料
型號(hào): M41ST85WMH6
廠商: 意法半導(dǎo)體
英文描述: RECTIFIER FAST-RECOVERY SINGLE 1A 300V 30A-ifsm 1.3V-vf 40ns 10uA-ir DO-41 5K/REEL-13
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): 1/33頁(yè)
文件大?。?/td> 464K
代理商: M41ST85WMH6
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(guān)PDF資料
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