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參數(shù)資料
| 型號： | M48T251V |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| 中文描述： | 5.0或3.3V，4096K與幻象計時器的SRAM |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 366K |
| 代理商： | M48T251V |
1/24
February 2005
M48T251Y
M48T251V
5.0 or 3.3V, 4096K TIMEKEEPER
SRAM with PHANTOM
FEATURES SUMMARY
■
5.0V OR 3.3V OPERATING VOLTAGE
REAL TIME CLOCK KEEPS TRACK OF
TENTHS/HUNDREDTHS OF SECONDS,
SECONDS, MINUTES, HOURS, DAYS,
DATE OF THE MONTH, MONTHS, AND
YEARS
AUTOMATIC LEAP YEAR CORRECTION
VALID UP TO THE YEAR 2100
AUTOMATIC SWITCH-OVER AND
DESELECT CIRCUITRY
CHOICE OF POWER-FAIL DESELECT
VOLTAGES:
(V
PFD
= Power-fail Deselect Voltage):
–
–
FULL 10% V
CC
OPERATING RANGE
OVER 10 YEARS’ DATA RETENTION IN
THE ABSENCE OF POWER
WATCH FUNCTION IS TRANSPARENT TO
RAM OPERATION
512K x 8 NV SRAM DIRECTLY REPLACES
VOLATILE STATIC RAM OR EEPROM
■
■
■
■
M48T251Y: 4.25V
≤
V
PFD
≤
4.50V
M48T251V: 2.80V
≤
V
PFD
≤
2.97V
■
■
■
■
Figure 1. 32-pin, DIP Package
32
1
PMDIP32 (PM)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M48T251VPM | 5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T35AYMH | ER 5C 5#16 PIN PLUG |
| M48T35YSH | Hook-Up Wire; Conductor Size AWG:24; No. Strands x Strand Size:Solid; Jacket Color:Red; Approval Bodies:UL, CSA; Approval Categories:UL AWM Style 1061; CSA AWM; Conductor Material:Copper; Jacket Material:Polyvinylchloride (PVC) RoHS Compliant: Yes |
| M48T35Y-70MH6TR | 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T35Y-70PC1 | 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M48T251V-70PM1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251V-70PM1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251V-85PM1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251V-85PM1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251VPM | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
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