參數(shù)資料
型號(hào)： 25AA040A
廠商： Microchip Technology Inc.
英文描述： 4K SPI Bus Serial EEPROM
中文描述： 4K的SPI總線串行EEPROM
文件頁(yè)數(shù)： 7/28頁(yè)
文件大小： 447K
代理商： 25AA040A
2007 Microchip Technology Inc.
DS21827D-page 7
25AA040A/25LC040A
BLOCK DIAGRAM
FIGURE 2-1:
READ SEQUENCE
SI
SO
SCK
CS
HOLD
WP
STATUS
Register
I/O Control
Logic
Memory
Control
Logic
X
Dec
HV Generator
EEPROM
Array
Page Latches
Y Decoder
Sense Amp.
R/W Control
V
CC
V
SS
TABLE 2-1:
INSTRUCTION SET
Instruction Name
Instruction Format
Description
READ
0000 A
8
011
0000 A
8
010
0000 x100
0000 x110
0000 x101
0000 x001
Read data from memory array beginning at selected address
WRITE
Write data to memory array beginning at selected address
WRDI
Reset the write enable latch (disable write operations)
WREN
Set the write enable latch (enable write operations)
RDSR
Read STATUS register
WRSR
Write STATUS register
Note:
A
8
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
2
3
4
5
6
7
8
9 10 11
1
0
1
A
8
0
0
0
0
1
A
7
A
6
A
5
A
4
A
1
A
0
7
6
5
4
3
2
1
0
Data Out
High-impedance
A
3
A
2
Lower Address Byte
12 13 14 15 16 17 18 19 20 21 22 23
Instruction+Address MSb
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
25AA040A/S16K 制造商:Microchip Technology Inc 功能描述:4K, 512 X 8, 1.8V SER EE, DIE - Gel-pak, waffle pack, wafer, diced wafer on film
25AA040A/W16K 制造商:Microchip Technology Inc 功能描述:4K, 512 X 8, 1.8V SER EE, WAFER - Gel-pak, waffle pack, wafer, diced wafer on film
25AA040A/WF16K 制造商:Microchip Technology Inc 功能描述:4K, 512 X 8, 1.8V SER EE, WAF - Gel-pak, waffle pack, wafer, diced wafer on film
25AA040A_09 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:4K SPI Bus Serial EEPROM
25AA040A_12 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:4K SPI Bus Serial EEPROM
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