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參數(shù)資料
| 型號： | M48T08-150PC1 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據(jù)恢復(fù)及定時提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP28 |
| 封裝： | 0.600 INCH, ROHS COMPLIANT, PLASTIC, PCDIP-28 |
| 文件頁數(shù)： | 27/31頁 |
| 文件大?。?/td> | 256K |
| 代理商： | M48T08-150PC1 |
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M48T08, M48T08Y, M48T18
Description
1
Description
The M48T08/18/08Y TIMEKEEPER RAM is an 8 K x 8 non-volatile static RAM and real
time clock which is pin and functional compatible with the DS1643. The monolithic chip is
available in two special packages to provide a highly integrated battery backed-up memory
and real time clock solution.
The M48T08/18/08Y is a non-volatile pin and function equivalent to any JEDEC standard
8 K x 8 SRAM. It also easily fits into many ROM, EPROM, and EEPROM sockets, providing
the non-volatility of PROMs without any requirement for special WRITE timing or limitations
on the number of WRITEs that can be performed.
The 28-pin, 600 mil DIP CAPHAT houses the M48T08/18/08Y silicon with a quartz crystal
and a long-life lithium button cell in a single package.
The 28-pin, 330 mil SOIC 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 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/crystal packages are shipped separately in plastic anti-static tubes or
in tape & reel form. For the 28-lead SOIC, the battery/crystal package (e.g., SNAPHAT) part
number is “M4T28-BR12SH” or “M4T32-BR12SH” (see Table 17 on page 28).
Figure 1.
Logic diagram
AI01020
13
A0-A12
W
DQ0-DQ7
VCC
M48T08
M48T08Y
M48T18
G
E2
VSS
8
E1
INT
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M48T18-100PC1 | 0 TIMER(S), REAL TIME CLOCK, PDIP28 |
| M48T201V-85MH1TR | 1 TIMER(S), REAL TIME CLOCK, PDSO44 |
| M48T201Y-70MH1F | 1 TIMER(S), REAL TIME CLOCK, PDSO44 |
| M48T201V-85MH1F | 1 TIMER(S), REAL TIME CLOCK, PDSO44 |
| M48T201Y-70MH1 | 1 TIMER(S), REAL TIME CLOCK, PDSO44 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M48T08-150PC1 | 制造商:STMicroelectronics 功能描述:NVRAM Memory IC |
| M48T08-150PC1E | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit 8Kb x 8 TIMEKEEPER SRAM |
| M48T08-150PC1F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit 8Kb x 8 TIMEKEEPER SRAM |
| M48T08-150PC1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit 8Kb x 8 TIMEKEEPER SRAM |
| M48T08MH | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit 8Kb x 8 TIMEKEEPER SRAM |
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