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参数资料
| 型号： | M48T128V-70PM1TR |
| 厂商： | 意法半导体 |
| 元件分类： | SRAM |
| 英文描述： | 3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| 中文描述： | 3.3 - 5V的1兆位的SRAM 128KB的x8计时器 |
| 文件页数： | 10/22页 |
| 文件大小： | 340K |
| 代理商： | M48T128V-70PM1TR |
M48T128Y, M48T128V*
18/22
Figure 12. Power Down/Up Mode AC Waveforms
Table 10. Power Down/Up AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5V or 3.0 to 3.6V (except where noted).
2. VPFD (max) to VPFD (min) fall time of less than tF may result in deselection/write protection not occurring until 200s after VCC pass-
es VPFD (min).
3. VPFD (min) to VSS fall time of less than tFB may cause corruption of RAM data.
Table 11. Power Down/Up Trip Points DC Characteristics
Note: 1. All voltages referenced to VSS.
2. Valid for Ambient Operating Temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5V or 3.0 to 3.6V (except where noted).
3. At 25°C; VCC = 0V.
Symbol
Parameter(1)
Min
Max
Unit
tF
(2)
VPFD (max) to VPFD (min) VCC Fall Time
300
s
tFB
(3)
VPFD (min) to VSS VCC Fall Time
10
s
tR
VPFD (min) to VPFD (max) VCC Rise Time
0s
tRB
VSS to VPFD (min) VCC Rise Time
1s
tREC
VPFD (max) to Inputs Recognized
40
200
ms
Symbol
Parameter(1,2)
Min
Typ
Max
Unit
VPFD
Power-fail Deselect Voltage
M48T128Y
4.1
4.35
4.5
V
M48T128V
2.7
2.9
3.0
V
VSO
Battery Back-up Switchover Voltage
M48T128Y
3.0
V
M48T128V
VPFD –100mV
V
tDR
(3)
Expected Data Retention Time
10
YEARS
AI03612
VCC
INPUTS
OUTPUTS
DON'T CARE
HIGH-Z
tF
tFB
tDR
tREC
tRB
VALID
RECOGNIZED
VPFD (max)
VPFD (min)
VSS
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相关代理商/技术参数 |
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| M48T128V-80PM1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3 V, 1 Mbit (128 Kb x 8) TIMEKEEPER?? SRAM |
| M48T128V-85PM1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T128V-85PM1TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T128VPM | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T128Y | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
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