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参数资料
| 型号： | M48T251V-70PM1 |
| 厂商： | 意法半导体 |
| 英文描述： | 5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| 中文描述： | 5.0或3.3V，4096K与幻象计时器的SRAM |
| 文件页数： | 1/24页 |
| 文件大小： | 366K |
| 代理商： | M48T251V-70PM1 |
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)
相关PDF资料 |
PDF描述 |
|---|---|
| M48T251V-70PM1TR | 5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251V-85PM1 | 5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251V-85PM1TR | 5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251V | 5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251VPM | 5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M48T251V-70PM1TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251V-85PM1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251V-85PM1TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251VPM | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251Y | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
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