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參數(shù)資料
| 型號： | M41T11MH6E |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據(jù)恢復及定時提取 |
| 英文描述： | REAL TIME CLOCK, PDSO28 |
| 封裝： | 0.330 INCH, LEAD FREE, PLASTIC, SOH-28 |
| 文件頁數(shù)： | 3/30頁 |
| 文件大?。?/td> | 250K |
| 代理商： | M41T11MH6E |
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M41T11
Operation
2.2
Read mode
In this mode, the master reads the M41T11 slave after setting the slave address (see
Figure 8). Following the write mode control bit (R/W = 0) and the acknowledge bit, the word
address An is written to the on-chip address pointer. Next the START condition and slave
address are repeated, followed by the READ mode control bit (R/W = 1). At this point, the
master transmitter becomes the master receiver. The data byte which was addressed will be
transmitted and the master receiver will send an acknowledge bit to the slave transmitter
(see Figure 9). The address pointer is only incremented on reception of an acknowledge bit.
The M41T11 slave transmitter will now place the data byte at address An + 1 on the bus. The
master receiver reads and acknowledges the new byte and the address pointer is
incremented to An + 2.
This cycle of reading consecutive addresses will continue until the master receiver sends a
STOP condition to the slave transmitter.
An alternate READ mode may also be implemented, whereby the master reads the M41T11
slave without first writing to the (volatile) address pointer. The first address that is read is the
last one stored in the pointer (see Figure 10 on page 12).
Table 2.
AC characteristics
Symbol
Parameter(1)
1.
Valid for ambient operating temperature: TA = –40 to 85°C; VCC = 2.0 to 5.5 V (except where noted).
Min
Max
Unit
fSCL
SCL clock frequency
0
100
kHz
tLOW
Clock low period
4.7
s
tHIGH
Clock high period
4
s
tR
SDA and SCL rise time
1
s
tF
SDA and SCL fall time
300
ns
tHD:STA
START condition hold time
(after this period the first clock pulse is generated)
4s
tSU:STA
START condition setup time
(only relevant for a repeated start condition)
4.7
s
tSU:DAT
Data setup time
250
ns
tHD:DAT
(2)
2.
Transmitter must internally provide a hold time to bridge the undefined region (300 ns max.) of the falling
edge of SCL.
Data hold time
0
s
tSU:STO
STOP condition setup time
4.7
s
tBUF
Time the bus must be free before a new transmission can start
4.7
s
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M41T11MH6F | 功能描述:實時時鐘 Serial 512 (64x8) 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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M41T11MH6F-CUT TAPE | 制造商:ST 功能描述:M41T11 Series 2 to 5.5 V Serial I2C Real Time Clock Surface Mount - SOH-28 |
| M41T11MH6TR | 制造商:STMicroelectronics 功能描述:REAL TIME CLOCK SERL 64BYTE 28PIN SOH - Tape and Reel |
| M41T11SH | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:512 bit 64b x8 Serial Access TIMEKEEPER SRAM |
| M41T256Y | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32K x8 SERIAL RTC |
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