參數(shù)資料
型號(hào): FM24C04A-S
廠商: Electronic Theatre Controls, Inc.
元件分類: DRAM
英文描述: 4Kb FRAM Serial 3V Memory
中文描述: 4Kb的鐵電串行3V的記憶
文件頁(yè)數(shù): 7/12頁(yè)
文件大?。?/td> 110K
代理商: FM24C04A-S
FM24C04A
Rev. 2.0
July 2003
7 of 12
S
A
Slave Address
1
Data Byte
1
P
By Master
By FM24C04A
Start
Address
Stop
Acknowledge
No
Acknowledge
Data
Figure 7. Current Address Read
S
A
Slave Address
1
Data Byte
1
P
By Master
By FM24C04A
Start
Address
Stop
Acknowledge
No
Acknowledge
Data
Data Byte
A
Acknowledge
Figure 8. Sequential Read
S
A
Slave Address
1
Data Byte
1
P
By Master
By FM24C04A
Start
Address
Stop
No
Acknowledge
Data
Data Byte
A
Acknowledge
S
A
Slave Address
0
Word Address
A
Start
Address
Acknowledge
Figure 9. Selective (Random) Read
Endurance
Internally, a FRAM operates with a read and restore
mechanism. Therefore, endurance cycles are applied
for each read or write cycle. The FRAM architecture
is based on an array of rows and columns. Rows are
defined by A8-A2. Each access causes an endurance
cycle for a row. Endurance is virtually unlimited. At
3000 accesses per second to the same segment, it will
take more than 10 years to reach the endurance limit.
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