參數(shù)資料
型號(hào): M48T512V-70PM1
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: REAL TIME CLOCK, PDIP32
封裝: ROHS COMPLIANT, PLASTIC, DIP-32
文件頁(yè)數(shù): 10/23頁(yè)
文件大?。?/td> 370K
代理商: M48T512V-70PM1
DC and AC parameters
M48T512Y, M48T512V
Doc ID 5747 Rev 6
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 °C; VCC = 4.5 to 5.5 V or 3.0 to 3.6 V (except where noted).
Min
Max
Unit
tF
(2)
2.
VPFD (max) to VPFD (min) fall time of less than tF may result in deselection/write protection not occurring until 200s 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
M48T512Y
10
s
M48T512V
150
s
tR
VPFD (min) to VPFD (max) VCC rise time
10
s
tRB
VSS to VPFD (min) VCC rise time
1
s
tREC
E recovery time
40
200
ms
Symbol
Parameter(1)(2)
1.
All voltages referenced to VSS.
2.
Valid for ambient operating temperature: TA = 0 to 70 °C; VCC = 4.5 to 5.5 V or 3.0 to 3.6 V (except where noted).
Min
Typ
Max
Unit
VPFD
Power-fail deselect voltage
M48T512Y
4.2
4.35
4.5
V
M48T512V
2.7
2.9
3.0
V
VSO
Battery backup switchover voltage
M48T512Y
3.0
V
M48T512V
VPFD –100mV
V
tDR
(3)
3.
At 25 °C, VCC = 0 V.
Expected data retention time
10
YEARS
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參數(shù)描述
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M48T512VPM 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM
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M48T512Y-70PM1 功能描述:實(shí)時(shí)時(shí)鐘 4M (512Kx8) 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