參數(shù)資料
型號(hào)： M41T94MQ6TR
廠商： 意法半導(dǎo)體
英文描述： 512 Bit 64 bit x8 SERIAL RTC SPI SRAM
中文描述： 512位64位x8的SPI串行實(shí)時(shí)時(shí)鐘的SRAM
文件頁數(shù)： 1/31頁
文件大小： 433K
代理商： M41T94MQ6TR
1/31
June 2003
Rev. 2.0
M41T94
512 Bit (64 bit x8) SERIAL RTC (SPI) SRAM
FEATURES SUMMARY
I
2.7 TO 5.5V OPERATING VOLTAGE
I
SERIAL PERIPHERAL INTERFACE (SPI)
I
2.5 TO 5.5V OSCILLATOR OPERATING
VOLTAGE
I
AUTOMATIC SWITCH-OVER and DESELECT
CIRCUITRY
I
CHOICE OF POWER-FAIL DESELECT
VOLTAGES (V
CC
= 2.7 to 5.5V):
– THS = V
SS
; 2.55V
≤
V
PFD
≤
2.70V
– THS = V
CC
; 4.20V
≤
V
PFD
≤
4.50V
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
LOW OPERATING CURRENT OF 2.0mA
I
ULTRA-LOW BATTERY SUPPLY CURRENT
OF 500nA (MAX)
I
PACKAGING INCLUDES A 28-LEAD SOIC and
SNAPHAT
TOP (to be ordered separately) or
16-LEAD SOIC
I
28-LEAD SOIC PACKAGE PROVIDES
DIRECT CONNECTION FOR A SNAPHAT
TOP WHICH CONTAINS THE BATTERY and
CRYSTAL
Figure 1. 16-pin SOIC Package
Figure 2. 28-pin SOIC Package
16
1
SO16 (MQ)
28
1
SOH28 (MH)
SNAPHAT (SH)
Battery & Crystal
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參數(shù)描述
M41T94SH 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:512 Bit 64 bit x8 SERIAL RTC SPI SRAM
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M41TM6 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:512 bit 64b x8 Serial Access TIMEKEEPER SRAM
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