參數(shù)資料
型號(hào)： M48T37Y-70MH6TR
廠商： STMICROELECTRONICS
元件分類： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： 0 TIMER(S), REAL TIME CLOCK, PDSO44
封裝： 0.330 INCH, ROHS COMPLIANT, PLASTIC, SOH-44
文件頁(yè)數(shù)： 26/30頁(yè)
文件大小： 515K
代理商： M48T37Y-70MH6TR
M48T37Y, M48T37V
Description
Doc ID 7019 Rev 9
1
Description
The M48T37Y/V TIMEKEEPER RAM is a 32 Kb x 8 non-volatile static RAM and real-time
clock. The monolithic chip is available in a special package which provides a highly
integrated battery-backed memory and real-time clock solution.
The 44-lead, 330 mil SOIC package provides sockets with gold-plated contacts at both ends
for direct connection to a separate SNAPHAT housing containing the battery and crystal.
The unique design allows the SNAPHAT battery/crystal package to be mounted on top of
the SOIC package after the completion of the surface mount process.
Insertion of the SNAPHAT housing after reflow prevents potential battery and crystal
damage due to the high temperatures required for device surface-mounting. The SNAPHAT
housing is keyed to prevent reverse insertion.
The SOIC and battery packages are shipped separately in plastic anti-static tubes or in tape
& reel form. For the 44-lead SOIC, the battery/crystal package (e.g., SNAPHAT) part
number is “M4T28-BR12SH” or “M4T32-BR12SH”.
Caution:
Do not place the SNAPHAT battery/crystal top in conductive foam, as this will drain the
lithium button-cell battery.
Figure 1.
Logic diagram
AI02172
8
DQ0-DQ7
W
VCC
M48T37Y
M48T37V
VSS
G
E
WDI
RST
IRQ/FT
15
A0-A14
相關(guān)PDF資料
PDF描述
M48T37Y-70MH1E 0 TIMER(S), REAL TIME CLOCK, PDSO44
M48T37V-10MH1E 0 TIMER(S), REAL TIME CLOCK, PDSO44
M48T37Y-70MH6 0 TIMER(S), REAL TIME CLOCK, PDSO44
M48T37Y-70MH1TR 0 TIMER(S), REAL TIME CLOCK, PDSO44
M48T37V-10MH6TR 0 TIMER(S), REAL TIME CLOCK, PDSO44
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M48T37YMH 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM
M48T37YSH 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM
M48T39Y 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kb 32K x8 TIMEKEEPER SRAM
M48T39Y-100PM1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kb 32K x8 TIMEKEEPER SRAM
M48T39Y-150PM1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kb 32K x8 TIMEKEEPER SRAM
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