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参数资料
| 型号： | M48T212YSH |
| 厂商： | 意法半导体 |
| 英文描述： | 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; Conductor Plating:Tin RoHS Compliant: Yes |
| 中文描述： | 5V/3.3V计时[控制器 |
| 文件页数： | 12/23页 |
| 文件大小： | 150K |
| 代理商： | M48T212YSH |
M48T212Y, M48T212V
12/23
If the SRAM includes a second chip enable pin
(E2), this pin should be tied to V
OUT
.
If data retention lifetime is a critical parameter for
the system,it is important to review the data reten-
tion
current
specifications
SRAMs being evaluated. Most SRAMs specify a
data retention current at 3.0V. Manufacturers gen-
erally specify a typical condition for room temper-
ature along with a worst case condition (generally
at elevated temperatures). The system level re-
quirements will determine the choice of which val-
ue to use.
for
the
particular
Thedata retentioncurrent value of theSRAMs can
then be added tothe I
BAT
value of the M48T212Y/
V to determine the total current requirements for
data retention. The available battery capacity for
the SNAPHAT of your choice can then be divided
by this current to determine theamount of data re-
tention available (see Table 15).
For afurther more detailed review oflifetime calcu-
lations, please see Application Note AN1012.
Figure 9. Alarm Interrupt Reset Waveforms
AI03021
A0-A3
ACTIVE FLAG BIT
ADDRESS 0h
IRQ/FT
HIGH-Z
1h
Fh
Table 12. Alarm Repeat Modes
RPT5
RPT4
RPT3
RPT2
RPT1
Alarm Setting
1
1
1
1
1
Once per Second
1
1
1
1
0
Once per Minute
1
1
1
0
0
Once per Hour
1
1
0
0
0
Once per Day
1
0
0
0
0
Once per Month
0
0
0
0
0
Once per Year
相关PDF资料 |
PDF描述 |
|---|---|
| M48T212Y-85MH6TR | 5V/3.3V TIMEKEEPER[ CONTROLLER |
| M48T212Y | 5V/3.3V TIMEKEEPER[ CONTROLLER |
| M48T212YMH | 5V/3.3V TIMEKEEPER[ CONTROLLER |
| M48T212Y-85MH1 | Shielded Multiconductor Cable; Number of Conductors:6; Conductor Size AWG:24; No. Strands x Strand Size:7 x 32; Jacket Material:Polyvinylchloride (PVC); Leaded Process Compatible:Yes; Conductor Material:Copper; Temperature Max:80 C RoHS Compliant: Yes |
| M48T212Y-85MH1TR | Multiconductor Cable; Number of Conductors:7; Conductor Size AWG:24; No. Strands x Strand Size:7 x 32; Jacket Material:Polyvinylchloride (PVC); Leaded Process Compatible:Yes; Conductor Material:Copper; Temperature Max:80 C RoHS Compliant: Yes |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M48T248V | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 1024K TIMEKEEPER SRAM with PHANTOM |
| M48T248V-70PM1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 1024K TIMEKEEPER SRAM with PHANTOM |
| M48T248V-70PM1TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 1024K TIMEKEEPER SRAM with PHANTOM |
| M48T248V-85PM1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 1024K TIMEKEEPER SRAM with PHANTOM |
| M48T248V-85PM1TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 1024K TIMEKEEPER SRAM with PHANTOM |
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