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M93C46-DW7TP View Datasheet(PDF) - STMicroelectronics

Part NameM93C46-DW7TP ST-Microelectronics
STMicroelectronics ST-Microelectronics
Description16Kbit, 8Kbit, 4Kbit, 2Kbit and 1Kbit (8-bit or 16-bit wide) MICROWIRE® Serial Access EEPROM
M93C46-DW7TP Datasheet PDF : 31 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
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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