參數(shù)資料
型號(hào)： M48T128Y-85PM1
廠商： STMICROELECTRONICS
元件分類： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： 0 TIMER(S), REAL TIME CLOCK, PDIP32
封裝： 0.600 INCH, PLASTIC, MODULE, DIP-32
文件頁(yè)數(shù)： 10/22頁(yè)
文件大?。?/td> 373K
代理商： M48T128Y-85PM1
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M48T128Y-85PM1TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM
M48T128YPM 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM
M48T129 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM
M48T129V 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM
M48T129V-70CS1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM
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