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参数资料
| 型号： | M48T59Y-70MH6F |
| 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, PDSO28 |
| 封装： | 0.330 INCH, LEAD FREE, PLASTIC, SOH-28 |
| 文件页数： | 15/29页 |
| 文件大小： | 440K |
| 代理商： | M48T59Y-70MH6F |
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M48T59, M48T59Y, M48T59V*
22/29
Figure 16. Power Down/Up Mode AC Waveforms
Table 12. Power Down/Up AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70°C or –40 to 85°C; VCC = 4.5 to 5.5V, 4.75 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.
4. trec (min) = 20ms for industrial temperature grade 6 device.
Table 13. Power Down/Up Trip Points DC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70°C or –40 to 85°C; VCC = 4.5 to 5.5V, 4.75 to 5.5V, or 3.0 to 3.6V (except
where noted).
2. All voltages referenced to VSS.
3. At 25°C, VCC = 0V.
4. Using larger M4T32-BR12SH6 SNAPHAT top (recommended for Industrial Temperature Range - Grade 6 device).
Symbol
Parameter(1)
Min
Max
Unit
tPD
E or W at VIH before Power Down
0s
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
10
s
tRB
VSS to VPFD (min) VCC Rise Time
1s
trec
(4)
VPFD (max) to RST High
40
200
ms
Symbol
Parameter(1,2)
Min
Typ
Max
Unit
VPFD
Power-fail Deselect Voltage
M48T59
4.5
4.6
4.75
V
M48T59Y
4.2
4.35
4.5
V
M48T59V
2.7
2.9
3.0
V
VSO
Battery Back-up Switchover Voltage
M48T59/Y
3.0
V
M48T59V
VPFD –100mV
V
tDR
(3)
Expected Data Retention Time
Grade 1
7
YEARS
Grade 6
10(4)
YEARS
AI03258
VCC
INPUTS
RST
OUTPUTS
DON'T CARE
HIGH-Z
tF
tFB
tR
trec
tRB
tDR
VALID
VPFD (max)
VPFD (min)
VSO
tPD
RECOGNIZED
(PER CONTROL INPUT)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M48T59Y-70MH6TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:64 Kbit 8Kb x8 TIMEKEEPER SRAM |
| M48T59Y-70PC1 | 功能描述:实时时钟 64K (8Kx8) 70ns RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| M48T59Y-70PC1 | 制造商:STMicroelectronics 功能描述:IC NVRAM 10 YR BATTERY 64K 48T59 |
| M48T59Y-70PC1E | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3 V, 64 Kbit (8 Kbit x 8) TIMEKEEPER? SRAM |
| M48T59Y-70PC1F | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3 V, 64 Kbit (8 Kbit x 8) TIMEKEEPER? SRAM |
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