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M93C86-R Datasheet(PDF) 16 Page - STMicroelectronics

Part # M93C86-R
Description  (8-bit or 16-bit wide) MICROWIRE serial access EEPROM
PDF  33 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M93C86-R Datasheet(HTML) 16 Page - STMicroelectronics

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Instructions
M93C86-x M93C76-R M93C66-x M93C56-x M93C46-x
16/33
DocID4997 Rev 15
5.2.4
Erase Byte or Word
The Erase Byte or Word (ERASE) instruction sets the bits of the addressed memory byte (or
word) to 1. Once the address has been correctly decoded, the falling edge of the Chip
Select Input (S) starts the self-timed Erase cycle. The completion of the cycle can be
detected by monitoring the READY/BUSY line, as described in Section 6: READY/BUSY
status.
Figure 7. ERASE, ERAL sequences
1. For the meanings of An and Xn, please see Table 4, Table 5 and Table 6.
5.2.5
Erase All
The Erase All Memory (ERAL) instruction erases the whole memory (all memory bits are set
to 1). The format of the instruction requires that a dummy address be provided. The Erase
cycle is conducted in the same way as the Erase instruction (ERASE). The completion of
the cycle can be detected by monitoring the READY/BUSY line, as described in Section 6:
READY/BUSY status.
AI00879B
S
ERASE
1 1
D
Q
ADDR
OP
CODE
1
BUSY
READY
CHECK
STATUS
S
ERASE
ALL
1
0
D
Q
OP
CODE
1
BUSY
READY
CHECK
STATUS
0
0
An
A0
Xn X0
ADDR



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