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参数资料
| 型号： | DS2431 |
| 元件分类： | DRAM |
| 英文描述： | The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each |
| 中文描述： | 该CAT24FC02是一个2 KB的EEPROM的国内256个8位每字举办的串行CMOS |
| 文件页数： | 23/23页 |
| 文件大小： | 170K |
| 代理商： | DS2431 |
DS2431: 1024-Bit, 1-Wire EEPROM
23 of 23
Maxim/Dallas Semiconductor cannot assume responsibility for use of any circuitry other than circuitry entirely embodied
in a Maxim/Dallas Semiconductor product. No circuit patent licenses are implied. Maxim/Dallas Semiconductor reserves the
right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
2004 Maxim Integrated Products
Printed USA
MAXIM
is a registered trademark of Maxim Integrated Products, Inc.
DALLAS
is a registered trademark of Dallas Semiconductor Corporation.
MEMORY FUNCTION EXAMPLE
Write to the first 8 bytes of memory page 1. Read the entire memory.
With only a single DS2431 connected to the bus master, the communication looks like this:
MASTER MODE
TX
RX
TX
TX
TX
TX
TX
RX
TX
RX
TX
TX
RX
RX
RX
RX
RX
TX
RX
TX
TX
TX
TX
TX
----
RX
TX
RX
TX
TX
TX
TX
RX
TX
RX
DATA (LSB FIRST)
(Reset)
(Presence)
CCh
0Fh
20h
00h
<8 data bytes>
<2 bytes CRC16\>
(Reset)
(Presence)
CCh
AAh
20h
00h
07h
<8 data bytes>
<2 bytes CRC16\>
(Reset)
(Presence)
CCh
55h
20h
00h
07h
<1-Wire idle high>
AAh
(Reset)
(Presence)
CCh
F0h
00h
00h
<144 data bytes>
(Reset)
(Presence)
COMMENTS
Reset pulse
Presence pulse
Issue “Skip ROM” command
Issue “Write scratchpad” command
TA1, beginning offset=20h
TA2, address=0020h
Write 8 bytes of data to scratchpad
Read CRC to check for data integrity
Reset pulse
Presence pulse
Issue “Skip ROM” command
Issue “Read scratchpad” command
Read TA1, beginning offset=20h
Read TA2, address=0020h
Read E/S, ending offset=111b, AA, PF = 0
Read scratchpad data and verify
Read CRC to check for data integrity
Reset pulse
Presence pulse
Issue “Skip ROM” command
Issue “copy scratchpad” command
TA1
TA2
(AUTHORIZATION CODE)
E/S
Wait 13 ms for the copy function to complete
Read copy status, AAh = success
Reset pulse
Presence pulse
Issue “Skip ROM” command
Issue “Read Memory” command
TA1, beginning offset=00h
TA2, address=0000h
Read the entire memory
Reset pulse
Presence pulse
PACKAGE INFORMATION
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to
.)相关PDF资料 |
PDF描述 |
|---|---|
| DS2431P | The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each |
| DS2431X | The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each |
| DS2441 | 1-Cell Li-Ion Battery Manager |
| DS2450 | 1-Wire Quad A/D Converter |
| DS2450S | 1-Wire Quad A/D Converter |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2431 R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1024-Bit, 1-Wire EEPROM |
| DS2431 T | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1024-Bit, 1-Wire EEPROM |
| DS2431/R | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:1024-Bit 1-Wire EEPROM |
| DS2431/T | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:1024-Bit 1-Wire EEPROM |
| DS2431/T&R | 功能描述:电可擦除可编程只读存储器 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
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