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參數(shù)資料
| 型號： | M48T08Y-15PC1 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據恢復及定時提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDMA28 |
| 封裝： | CAPHAT, PLASTIC, DIP-28 |
| 文件頁數(shù)： | 20/26頁 |
| 文件大?。?/td> | 173K |
| 代理商： | M48T08Y-15PC1 |
3/26
M48T08, M48T18, M48T08Y
SUMMARY DESCRIPTION
The M48T08/18/08Y TIMEKEEPER RAM is an
8K 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 so-
lution.
The M48T08/18/08Y is a non-volatile pin and func-
tion equivalent to any JEDEC standard 8K 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, 600mil 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, 330mil SOIC provides sockets with
gold plated contacts at both ends for direct con-
nection to a separate SNAPHAT housing con-
taining 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. Inser-
tion of the SNAPHAT housing after reflow pre-
vents potential battery and crystal damage due to
the high temperatures required for device surface-
mounting. The SNAPHAT housing is keyed to pre-
vent 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 bat-
tery/crystal package (e.g., SNAPHAT) part num-
ber is “M4T28-BR12SH” or “M4T32-BR12SH”
(see Table 13, page 20).
Figure 3. Logic Diagram
Table 1. Signal Names
AI01020
13
A0-A12
W
DQ0-DQ7
VCC
M48T08
M48T08Y
M48T18
G
E2
VSS
8
E1
INT
A0-A12
Address Inputs
DQ0-DQ7
Data Inputs / Outputs
INT
Power Fail Interrupt (Open Drain)
E1
Chip Enable 1
E2
Chip Enable 2
G
Output Enable
W
WRITE Enable
VCC
Supply Voltage
VSS
Ground
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| M48T128Y-85PM1 | 0 TIMER(S), REAL TIME CLOCK, PDIP32 |
| M48T128Y-85PM1TR | 0 TIMER(S), REAL TIME CLOCK, PDIP32 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M48T12 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CMOS 8K x 8 TIMEKEEPER SRAM |
| M48T12-120PC1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CMOS 8K x 8 TIMEKEEPER SRAM |
| M48T12-150PC1 | 功能描述:實時時鐘 16K (2Kx8) 150ns RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M48T12-150PC1 | 制造商:STMicroelectronics 功能描述:SRAM TIMEKEEPER 16K 48T12 DIP24 |
| M48T12-150PC1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0V, 16 Kbit (2Kb x 8) TIMEKEEPER㈢ SRAM |
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