參數(shù)資料
型號: M41T256YMH7E
廠商: 意法半導(dǎo)體
英文描述: 256 Kbit 32K x8 SERIAL RTC
中文描述: 256千位32K的x8串行實時時鐘
文件頁數(shù): 21/27頁
文件大小: 185K
代理商: M41T256YMH7E
21/27
M41T256Y
Figure 17. Power Down/Up Mode AC Waveforms
Table 10. Power Down/Up AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
A
= –25 to 70°C; V
CC
= 4.5 to 5.5V (except where noted).
2. V
PFD
(max) to V
PFD
(min) fall time of less than tF may result in deselection/write protection not occurring until 200μs after V
CC
pass-
es V
PFD
(min).
3. V
PFD
(min) to V
SS
fall time of less than t
FB
may cause corruption of RAM data.
4. At 25°C and V
CC
= 0V, using a BR2330 Li Battery. This drops to 7.2 years when using the M4T32-BR12SH with the oscillator run-
ning.
Symbol
Parameter
(1)
Min
Typ
Max
Unit
t
F(2)
V
PFD
(max) to V
PFD
(min) V
CC
Fall Time
300
μs
t
FB(3)
V
PFD
(min) to V
SS
V
CC
Fall Time
10
μs
t
R
V
PFD
(min) to V
PFD
(max) V
CC
Rise Time
10
μs
t
RB
V
SS
to V
PFD
(min) V
CC
Rise Time
1
μs
t
REC
Power up Deselect Time
40
200
ms
t
DR
Expected Data Retention Time (OSC On, Sleep Mode
Off)
15
(4)
YEARS
AI04757
VCC
VPFD (max)
INPUTS
(PER CONTROL INPUT)
OUTPUTS
DON'T CARE
HIGH-Z
tF
tFB
tR
tRB
tDR
VALID
VALID
(PER CONTROL INPUT)
RECOGNIZED
RECOGNIZED
VPFD (min)
VSO
tREC
RST
相關(guān)PDF資料
PDF描述
M41T256YMH7F 256 Kbit 32K x8 SERIAL RTC
M41T256YMT7E 256 Kbit 32K x8 SERIAL RTC
M41T256YMT7F 256 Kbit 32K x8 SERIAL RTC
M41T315V Serial access phantom RTC supervisor
M41T315W Serial access phantom RTC supervisor
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M41T256YMH7F 功能描述:實時時鐘 Serial 256K (32Kx8) 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 時間格式:HH:MM:SS RTC 存儲容量: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
M41T256YMH7TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32K x8 SERIAL RTC
M41T256YMT 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32K x8 SERIAL RTC
M41T256YMT7 功能描述:實時時鐘 Serial 256K (32Kx8) 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 時間格式:HH:MM:SS RTC 存儲容量: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
M41T256YMT7E 功能描述:實時時鐘 Serial 256K (32Kx8) 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 時間格式:HH:MM:SS RTC 存儲容量: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