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ST24FC21BM データシートの表示(PDF) - STMicroelectronics
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ST24FC21BM
1 Kbit (x8) Dual Mode Serial EEPROM for VESA PLUG & PLAY
STMicroelectronics
ST24FC21BM Datasheet PDF : 22 Pages
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ST24LC21B, ST24LW21, ST24FC21, ST24FC21B, ST24FW21
Figure 14. Read Modes Sequence
CURRENT
ADDRESS
READ
RANDOM
ADDRESS
READ
SEQUENTIAL
CURRENT
READ
SEQUENTIAL
RANDOM
READ
ACK
NO ACK
DEV SEL
DATA OUT
R/W
ACK
ACK
ACK
NO ACK
DEV SEL *
BYTE ADDR
DEV SEL *
DATA OUT
R/W
R/W
ACK
ACK
DEV SEL
DATA OUT 1
R/W
ACK
NO ACK
DATA OUT N
ACK
ACK
ACK
ACK
DEV SEL *
BYTE ADDR
DEV SEL *
DATA OUT 1
R/W
R/W
ACK
NO ACK
DATA OUT N
AI00794C
Note:
* The 7 Most Significant bits of DEV SEL bytes of a Random Read (1st byte and 3rd byte) must be identical.
18/22
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