M24C64-W STMICROELECTRONICS [STMicroelectronics], M24C64-W Datasheet - Page 9

• Manufacturer Part Number: M24C64-W
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M24C64-W M24C64-R M24C64-F M24C64-DF
2.5
2.6
2.6.1
2.6.2
2.6.3
2.6.4
V
V
Supply voltage (V
Operating supply voltage V
Prior to selecting the memory and issuing instructions to it, a valid and stable V
within the specified [V
in
recommended to decouple the V
10 nF to 100 nF) close to the V
This voltage must remain stable and valid until the end of the transmission of the instruction
and, for a write instruction, until the completion of the internal write cycle (t
Power-up conditions
The V
(see Operating conditions in
vary faster than 1 V/µs.
Device reset
In order to prevent inadvertent write operations during power-up, a power-on-reset (POR)
circuit is included.
At power-up, the device does not respond to any instruction until V
internal reset threshold voltage. This threshold is lower than the minimum V
voltage (see Operating conditions in
over the POR threshold, the device is reset and enters the Standby Power mode; however,
the device must not be accessed until V
specified [V
parameters).
In a similar way, during power-down (continuous decrease in V
accessed when V
threshold voltage, the device stops responding to any instruction sent to it.
Power-down conditions
During power-down (continuous decrease in V
mode (mode reached after decoding a Stop condition, assuming that there is no internal
write cycle in progress).
SS
SS
Section 8: DC and AC
is the reference for the V
CC
(ground)
voltage has to rise continuously from 0 V up to the minimum V
CC
(min), V
CC
drops below V
CC
CC
(min), V
(max)] range (see Operating conditions in
parameters). In order to secure a stable DC supply voltage, it is
CC
Section 8: DC and AC parameters)
CC
Doc ID 16891 Rev 27
)
CC
CC
supply voltage.
CC
/V
CC
(max)] range must be applied (see Operating conditions
CC
SS
line with a suitable capacitor (usually of the order of
Section 8: DC and AC
(min). When V
package pins.
CC
reaches a valid and stable DC voltage within the
CC
), the device must be in the Standby Power
CC
drops below the power-on-reset
parameters). When V
CC
and the rise time must not
), the device must not be
CC
Section 8: DC and AC
has reached the
CC
Signal description
operating voltage
W
CC
).
operating
CC
CC
voltage
passes
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