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参数资料
| 型号： | M48T512Y-85PM1 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | REAL TIME CLOCK, PDIP32 |
| 封装： | ROHS COMPLIANT, PLASTIC, DIP-32 |
| 文件页数： | 10/23页 |
| 文件大小： | 370K |
| 代理商： | M48T512Y-85PM1 |
DC and AC parameters
M48T512Y, M48T512V
Doc ID 5747 Rev 6
Table 10.
Power down/up AC characteristics
Table 11.
Power down/up trip points DC characteristics
Symbol
Parameter(1)
1.
Valid for ambient operating temperature: TA = 0 to 70 °C; VCC = 4.5 to 5.5 V or 3.0 to 3.6 V (except where noted).
Min
Max
Unit
tF
(2)
2.
VPFD (max) to VPFD (min) fall time of less than tF may result in deselection/write protection not occurring until 200s after
VCC passes VPFD (min).
VPFD (max) to VPFD (min) VCC fall time
300
s
tFB
(3)
3.
VPFD (min) to VSS fall time of less than tFB may cause corruption of RAM data.
VPFD (min) to VSS VCC fall time
M48T512Y
10
s
M48T512V
150
s
tR
VPFD (min) to VPFD (max) VCC rise time
10
s
tRB
VSS to VPFD (min) VCC rise time
1
s
tREC
E recovery time
40
200
ms
Symbol
Parameter(1)(2)
1.
All voltages referenced to VSS.
2.
Valid for ambient operating temperature: TA = 0 to 70 °C; VCC = 4.5 to 5.5 V or 3.0 to 3.6 V (except where noted).
Min
Typ
Max
Unit
VPFD
Power-fail deselect voltage
M48T512Y
4.2
4.35
4.5
V
M48T512V
2.7
2.9
3.0
V
VSO
Battery backup switchover voltage
M48T512Y
3.0
V
M48T512V
VPFD –100mV
V
tDR
(3)
3.
At 25 °C, VCC = 0 V.
Expected data retention time
10
YEARS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M48T512YPM | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM |
| M48T513V | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM |
| M48T513V-70CS1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM |
| M48T513V-70PM1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM |
| M48T513V-85CS1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM |
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