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參數(shù)資料
| 型號： | M48T35AV-10MH1F |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據(jù)恢復及定時提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO28 |
| 封裝： | 0.330 INCH, ROHS COMPLIANT, PLASTIC, SOH-28 |
| 文件頁數(shù)： | 25/29頁 |
| 文件大?。?/td> | 512K |
| 代理商： | M48T35AV-10MH1F |
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M48T35AV
Description
Doc ID 6845 Rev 8
5/29
1
Description
The M48T35AV TIMEKEEPER RAM is a 32 Kbit x 8 non-volatile static RAM and real-time
clock. The monolithic chip is available in two special packages to provide a highly integrated
battery-backed memory and real-time clock solution.
The M48T35AV is a non-volatile pin and function equivalent to any JEDEC standard
32 Kb 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 M48T35AV 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 part numbers are M4T28-BR12SH1 (48
mAh lithium battery SNAPHAT), M4T32-BR12SH1 (120 mAh lithium battery SNAPHAT),
and M4T32-BR12SH6 (120 mAh lithium battery SNAPHAT, –40 to +85 °C crystal).
Figure 1.
Logic diagram
AI02797B
15
A0-A14
W
DQ0-DQ7
VCC
M48T35AV
G
VSS
8
E
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M48T35AY-70MH6F | REAL TIME CLOCK, PDSO28 |
| M48T35AY-70MH6TR | 0 TIMER(S), REAL TIME CLOCK, PDSO28 |
| M48T35AV-10MH1 | 0 TIMER(S), REAL TIME CLOCK, PDSO28 |
| M48T35AY-70MH1F | REAL TIME CLOCK, PDSO28 |
| M48T35AV-10MH6E | REAL TIME CLOCK, PDSO28 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M48T35AV-10MH1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T35AV-10MH6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T35AV-10MH6E | 功能描述:NVRAM 256K (32Kx8) 100ns BULK RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
| M48T35AV-10MH6F | 功能描述:NVRAM 256K (32Kx8) 100ns RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
| M48T35AV-10MH6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x8 TIMEKEEPER SRAM |
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