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M93C46-BN7 View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
M93C46-BN7 16Kbit, 8Kbit, 4Kbit, 2Kbit and 1Kbit (8-bit or 16-bit wide) MICROWIRE® Serial Access EEPROM ST-Microelectronics
STMicroelectronics ST-Microelectronics
M93C46-BN7 Datasheet PDF : 31 Pages
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M93C86, M93C76, M93C66, M93C56, M93C46
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 dum-
my address be provided. The Erase cycle is con-
ducted in the same way as the Erase instruction
(ERASE). The completion of the cycle can be de-
tected by monitoring the Ready/Busy line, as de-
scribed in the READY/BUSY STATUS section.
Write All
As with the Erase All Memory (ERAL) instruction,
the format of the Write All Memory with same Data
(WRAL) instruction requires that a dummy ad-
dress be provided. As with the Write Data to Mem-
ory (WRITE) instruction, the format of the Write All
Memory with same Data (WRAL) instruction re-
quires that an 8-bit data byte, or 16-bit data word,
be provided. This value is written to all the ad-
dresses of the memory device. The completion of
the cycle can be detected by monitoring the
Ready/Busy line, as described next.
Figure 6. WRAL Sequence
WRITE
S
ALL
D
1 0 0 0 1 Xn X0 Dn
CHECK
STATUS
D0
Q
ADDR
OP
CODE
DATA IN
Note: For the meanings of Xn and Dn, please see Table 5., Table 6. and Table 7..
BUSY
READY
AI00880C
10/31
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