参数资料
型号: 25LC040A-E/ST
元件分类: PROM
英文描述: 512 X 8 SPI BUS SERIAL EEPROM, PDSO8
封装: 4.40 MM, ROHS COMPLIANT, PLASTIC, TSSOP-8
文件页数: 28/30页
文件大小: 452K
代理商: 25LC040A-E/ST
2009 Microchip Technology Inc.
DS21827F-page 7
25AA040A/25LC040A
BLOCK DIAGRAM
FIGURE 2-1:
READ SEQUENCE
SI
SO
SCK
CS
HOLD
WP
STATUS
Register
I/O Control
Memory
Control
Logic
X
Dec
HV Generator
EEPROM
Array
Page Latches
Y Decoder
Sense Amp.
R/W Control
Logic
VCC
VSS
TABLE 2-1:
INSTRUCTION SET
Instruction Name
Instruction Format
Description
READ
0000 A8011
Read data from memory array beginning at selected address
WRITE
0000 A8010
Write data to memory array beginning at selected address
WRDI
0000 x100
Reset the write enable latch (disable write operations)
WREN
0000 x110
Set the write enable latch (enable write operations)
RDSR
0000 x101
Read STATUS register
WRSR
0000 x001
Write STATUS register
Note:
A8 is the 9
th address bit, which is used to address the entire 512 byte array.
x
= don’t care.
SO
SI
SCK
CS
0
2345
6789 10 11
1
01
A8
0
01
A7 A6 A5 A4
A1 A0
76543210
Data Out
High-impedance
A3 A2
Lower Address Byte
12 13 14 15 16 17 18 19 20 21 22 23
Instruction+Address MSb
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相关代理商/技术参数
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25LC040A-H/SN 功能描述:电可擦除可编程只读存储器 4K, 512 X 8, 2.5V SER EE 150C 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
25LC040A-I/MC 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:4K SPI Bus Serial EEPROM
25LC040A-I/MS 功能描述:电可擦除可编程只读存储器 4K 512X8 2.5V SER EE IND 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
25LC040A-I/OT 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:4K SPI Bus Serial EEPROM
25LC040A-I/P 功能描述:电可擦除可编程只读存储器 4K 512X8 2.5V SER EE IND 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