TIMEKEEPER SNAPHAT (battery and crystal)

Description The M4TXX-BR12SH SNAPHAT® top is a detachable lithium power source for ST’s nonvolatile TIMEKEEPER® surface-mount SOIC (MH) package (28- and 44-pin). The SNAPHAT top contains both the battery and crystal and is designed to be “snapped on” after the SOIC is surface mounted on the PC b

文件：135.44 Kbytes 页数：16 Pages

STMICROELECTRONICS

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TIMEKEEPER SNAPHAT (battery and crystal)

Description The M4TXX-BR12SH SNAPHAT® top is a detachable lithium power source for ST’s nonvolatile TIMEKEEPER® surface-mount SOIC (MH) package (28- and 44-pin). The SNAPHAT top contains both the battery and crystal and is designed to be “snapped on” after the SOIC is surface mounted on the PC b

文件：135.44 Kbytes 页数：16 Pages

STMICROELECTRONICS

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Real-time clock and TIMEKEEPER SNAPHAT battery with crystal

Features · Provides battery backup power for serial realtime clock, non-volatile TIMEKEEPER® and supervisor devices in the 28- or 44-pin SNAPHAT® SOIC package · Removable battery avoids heat associated with surface-mount process · Snaps directly onto surface-mounted SNAPHAT SOIC · Choice

文件：230.92 Kbytes 页数：16 Pages

STMICROELECTRONICS

意法半导体

TIMEKEEPER SNAPHAT (battery and crystal)

Description The M4TXX-BR12SH SNAPHAT® top is a detachable lithium power source for ST’s nonvolatile TIMEKEEPER® surface-mount SOIC (MH) package (28- and 44-pin). The SNAPHAT top contains both the battery and crystal and is designed to be “snapped on” after the SOIC is surface mounted on the PC b

文件：135.44 Kbytes 页数：16 Pages

STMICROELECTRONICS

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Serial real-time clock (RTC) with 56 bytes of NVRAM

Features · Counters for seconds, minutes, hours, day, date, month, years and century · 32 kHz crystal oscillator integrating load capacitance (12.5 pF) providing exceptional oscillator stability and high crystal series resistance operation · Serial interface supports I²C bus (100 kHz proto

文件：423.5 Kbytes 页数：30 Pages

STMICROELECTRONICS

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Real-time clock and TIMEKEEPER SNAPHAT battery with crystal

Features · Provides battery backup power for serial realtime clock, non-volatile TIMEKEEPER® and supervisor devices in the 28- or 44-pin SNAPHAT® SOIC package · Removable battery avoids heat associated with surface-mount process · Snaps directly onto surface-mounted SNAPHAT SOIC · Choice

文件：230.92 Kbytes 页数：16 Pages

STMICROELECTRONICS

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3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM

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 wit

文件：511.04 Kbytes 页数：29 Pages

STMICROELECTRONICS

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5.0 OR 3.0V, 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR

SUMMARY DESCRIPTION The M41ST85Y/W Serial TIMEKEEPER®/Controller SRAM is a low power 512-bit, static CMOS SRAM organized as 64 words by 8 bits. A built-in 32.768 kHz oscillator (external crystal controlled) and 8 bytes of the SRAM (see Table 2., page 14) are used for the clock/calendar function

文件：530.95 Kbytes 页数：34 Pages

STMICROELECTRONICS

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Serial Real Time Clock with 56 Bytes of NVRAM

Description The M41T11 is a low-power serial real-time clock (RTC) with 56 bytes of NVRAM. A built-in 32.768 kHz oscillator (external crystal controlled) and the first 8 bytes of the RAM are used for the clock/calendar function and are configured in binary-coded decimal (BCD) format. Addresses a

文件：231.6 Kbytes 页数：29 Pages

STMICROELECTRONICS

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Real-time clock and TIMEKEEPER SNAPHAT battery with crystal

Features · Provides battery backup power for serial realtime clock, non-volatile TIMEKEEPER® and supervisor devices in the 28- or 44-pin SNAPHAT® SOIC package · Removable battery avoids heat associated with surface-mount process · Snaps directly onto surface-mounted SNAPHAT SOIC · Choice

文件：230.92 Kbytes 页数：16 Pages

STMICROELECTRONICS

意法半导体