- 您现在的位置：买卖IC网 > PDF目录45049 > M41ST87YWX6 (STMICROELECTRONICS) 1 TIMER(S), REAL TIME CLOCK, PDSO28 PDF资料下载
参数资料
| 型号： | M41ST87YWX6 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO28 |
| 封装： | 0.300 INCH, PLASTIC, SO-28 |
| 文件页数： | 1/38页 |
| 文件大小： | 569K |
| 代理商： | M41ST87YWX6 |
当前第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页
1/38
September 2003
Rev. 2.2
M41ST87Y
M41ST87W
5.0, 3.3, or 3.0V, 1280 bit (160 x 8) SECURE SERIAL RTC
and NVRAM SUPERVISOR with TAMPER DETECTION
FEATURES SUMMARY
s
5.0, 3.3, OR 3.0V OPERATING VOLTAGE
s
SERIAL INTERFACE SUPPORTS I2C BUS
(400kHz)
s
NVRAM SUPERVISOR FOR EXTERNAL
LPSRAM
s
2.5 TO 5.5V OSCILLATOR OPERATING
VOLTAGE
s
AUTOMATIC SWITCH-OVER and DESELECT
CIRCUITRY
s
CHOICE OF POWER-FAIL DESELECT
VOLTAGES
– M41ST87Y:
VCC = 4.75 to 5.5V;
THS Bit = '1': 4.50V
≤ VPFD ≤ 4.75V
VCC = 4.5 to 5.5V;
THS Bit = '0': 4.20V
≤ VPFD ≤ 4.50V
– M41ST87W:
VCC = 3.0 to 3.6V;
THS Bit = '1': 2.8V
≤ VPFD ≤ 3.0V
VCC = 2.7 to 3.6V;
THS Bit = '0': 2.55V
≤ VPFD ≤ 2.70V
s
TWO INDEPENDENT POWER FAIL
COMPARATORS (1.25V REFERENCE)
s
COUNTERS FOR TENTHS/HUNDREDTHS
OF SECONDS, SECONDS, MINUTES,
HOURS, DAY, DATE, MONTH, YEAR, and
CENTURY
s
128 BYTES OF GENERAL PURPOSE RAM
s
PROGRAMMABLE ALARM and INTERRUPT
FUNCTION (VALID EVEN DURING BATTERY
BACK-UP MODE)
s
PROGRAMMABLE WATCHDOG TIMER
s
UNIQUE ELECTRONIC SERIAL NUMBER (8-
BYTE)
s
32kHz FREQUENCY OUTPUT AVAILABLE
UPON POWER-ON
s
MICROPROCESSOR POWER-ON RESET
s
BATTERY LOW FLAG
s
ULTRA-LOW BATTERY SUPPLY CURRENT
OF 500nA (TYP)
SECURITY FEATURES
s
TAMPER INDICATION CIRCUITS WITH
TIMESTAMP and RAM CLEAR
s
LPSRAM CLEAR FUNCTION (TPCLR)
s
PACKAGING INCLUDES A 28-LEAD,
EMBEDDED CRYSTAL SOIC
s
OSCILLATOR STOP DETECTION
Figure 1. 28-pin (300mil) SOIC Package
SOX28 (MX)
EMBEDDED Crystal
相关PDF资料 |
PDF描述 |
|---|---|
| M41T00M6F | REAL TIME CLOCK, PDSO8 |
| M41T00M6E | REAL TIME CLOCK, PDSO8 |
| M41T00M6 | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| M41T0DS6 | REAL TIME CLOCK, PDSO8 |
| M41T0DS6T | REAL TIME CLOCK, PDSO8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M41ST95W | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit (64 bit X 8) Serial RTC (SPI) SRAM and NVRAM Supervisor |
| M41ST95WMH6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit (64 bit X 8) Serial RTC (SPI) SRAM and NVRAM Supervisor |
| M41ST95WMH6E | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit (64 bit X 8) Serial RTC (SPI) SRAM and NVRAM Supervisor |
| M41ST95WMH6F | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit (64 bit X 8) Serial RTC (SPI) SRAM and NVRAM Supervisor |
| M41ST95WMH6TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit (64 bit X 8) Serial RTC (SPI) SRAM and NVRAM Supervisor |
发布紧急采购，3分钟左右您将得到回复。