參數(shù)資料
型號(hào)： M48T35Y-70MH6TR
廠商： STMICROELECTRONICS
元件分類(lèi)： 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, PDSO28
封裝： 0.330 INCH, SNAPHAT, PLASTIC, SOH-28
文件頁(yè)數(shù)： 13/30頁(yè)
文件大?。?/td> 256K
代理商： M48T35Y-70MH6TR
DC and AC parameters
M48T35 M48T35Y
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 or –40 to 85°C; VCC = 4.75 to 5.5 V or 4.5 to 5.5 V (except where
noted).
Min
Max
Unit
tPD
E or W at VIH before power down
0
s
tF
(2)
2.
VPFD (max) to VPFD (min) fall time of less than tF may result in deselection/write protection not occurring until 200 s 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
M48T35
10
s
M48T35Y
10
s
tR
VPFD (min) to VPFD (max) VCC rise time
10
s
tRB
VSS to VPFD (min) VCC rise time
1
s
trec
(4)
4.
trec (min) = 20 ms for industrial temperature grade 6 device.
VPFD (max) to inputs recognized
40
200
ms
Symbol
Parameter(1)(2)
1.
Valid for ambient operating temperature: TA = 0 to 70 or –40 to 85°C; VCC = 4.75 to 5.5 V or 4.5 to 5.5 V (except where
noted).
2.
All voltages referenced to VSS.
Min
Typ
Max
Unit
VPFD
Power-fail deselect voltage
M48T35
4.5
4.6
4.75
V
M48T35Y
4.2
4.35
4.5
V
VSO
Battery backup switchover voltage
M48T35
3.0
V
M48T35Y
3.0
V
tDR
3.
CAPHAT and M4T32-BR12SH1 SNAPHAT only, M4T28-BR12SH1 SNAPHAT top tDR = 7 years (typ).
Expected data retention time
Grade 1
10(4)
4.
Using larger M4T32-BR12SH6 SNAPHAT top (recommended for industrial temperature range - grade 6 device).
Years
Grade 6
10(5)
5.
At 25°C, VCC = 0 V.
Years
相關(guān)PDF資料
PDF描述
M48T35-70PC1 0 TIMER(S), REAL TIME CLOCK, PDIP28
M48T35Y-70MH1E 0 TIMER(S), REAL TIME CLOCK, PDSO28
M48T36Y-70MH1TR 0 TIMER(S), REAL TIME CLOCK, PDSO44
M48T37Y-10MH6 0 TIMER(S), REAL TIME CLOCK, PDSO44
M48T37V-70MH1TR 0 TIMER(S), REAL TIME CLOCK, PDSO44
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M48T35Y-70PC1 功能描述:實(shí)時(shí)時(shí)鐘 256K (32Kx8) 70ns RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
M48T35Y-70PC1 制造商:STMicroelectronics 功能描述:SRAM TIMEKEEPER 256K 48T35 DIP28
M48T35Y-70PC1E 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V, 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM
M48T35Y-70PC1F 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V, 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM
M48T35Y-70PC1TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V, 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM
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