參數(shù)資料
型號： ST24LC21B1TR
廠商： 意法半導體
英文描述： Controller IC; Package/Case:14-DIP; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):No; Mounting Type:Through Hole
中文描述： 1kB的x8串行EEPROM的雙模式為韋莎插頭
文件頁數(shù)： 12/18頁
文件大?。?/td> 149K
代理商： ST24LC21B1TR
Read Operations
On delivery, the memory content is set at all "1’s"
(or FFh).
Current Address Read.
The memory has an inter-
nal byte address counter. Each time a byte is read,
this counter is incremented. For the Current Ad-
dress Read mode, following a START condition,
the master sends a memory address with the RW
bit set to ’1’. The memory acknowledges this and
outputs the byte addressed by the internal byte
address counter. This counter is then incremented.
The master does NOT acknowledge the byte out-
put, but terminates the transfer with a STOP con-
dition.
Random Address Read.
A dummy write is per-
formed to load the address into the address
counter, see Figure 12. This is followed by another
START condition from the master and the byte
address is repeated with the RW bit set to ’1’. The
memory acknowledges this and outputs the byte
addressed. The master does NOT acknowledge
the byte output, but terminates the transfer with a
STOP condition.
S
S
BYTE WRITE
DEV SEL
BYTE ADDR
DATA IN
S
PAGE WRITE
DEV SEL
BYTE ADDR
DATA IN 1
DATA IN 2
AI01504B
S
DATA IN N
ACK
ACK
ACK
R/W
ACK
ACK
ACK
R/W
ACK
ACK
VCLK
VCLK
Figure 10. Write Modes Sequence
12/18
ST24LC21
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PDF描述
ST24LC21M1TR Pulse Width Modulation (PWM) Controller IC; Topology:Push Pull; Control Mode:Current; Number of PWM Outputs:1; Input Voltage Primary Min:10V; Input Voltage Primary Max:120V; Duty Cycle Max:50%; Oscillator Frequency Max, Fosc:1MHz
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相關代理商/技術參數(shù)
參數(shù)描述
ST24LC21BB1 制造商:未知廠家 制造商全稱:未知廠家 功能描述:I2C Serial EEPROM
ST24LC21BB1TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1 Kbit x8 Dual Mode Serial EEPROM for VESA PLUG & PLAY
ST24LC21BB6 功能描述:電可擦除可編程只讀存儲器 Dual Mode 1K (128x8) RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8
ST24LC21BB6TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1 Kbit x8 Dual Mode Serial EEPROM for VESA PLUG & PLAY
ST24LC21BM1 制造商:未知廠家 制造商全稱:未知廠家 功能描述:I2C Serial EEPROM
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