X24C04PM Просмотр технического описания (PDF) - Xicor -> Intersil
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X24C04PM Datasheet PDF : 18 Pages
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X24C04
Write Cycle Limits
Symbol
Parameter
tWR(6)
Write Cycle Time
Min.
The write cycle time is the time from a valid stop
condition of a write sequence to the end of the internal
erase/program cycle. During the write cycle, the X24C04
Typ.(5)
Max.
Units
5
10
ms
3839 PGM T08
bus interface circuits are disabled, SDA is allowed to
remain high, and the device does not respond to its slave
address.
Write Cycle Timing
SCL
SDA
8th BIT
WORD n
ACK
STOP
CONDITION
tWR
START
CONDITION
X24C04
ADDRESS
3839 FHD F05
Notes: (5) Typical values are for TA = 25°C and nominal supply voltage (5V).
(6) tWR is the minimum cycle time from the system perspective when polling techniques are not used. It is the maximum time the
device requires to perform the internal write operation.
Guidelines for Calculating Typical
Values of Bus Pull-Up Resistors
120
100
RMIN =
VCC MAX
IOL MIN
=1.8KΩ
80
RMAX
=
tR
CBUS
60
MAX.
RESISTANCE
40
20 MIN.
RESISTANCE
0
0 20 40 60
80 100 120
BUS CAPACITANCE (pF) 3839 FHD F18
SYMBOL TABLE
WAVEFORM
INPUTS
Must be
steady
May change
from Low to
High
May change
from High to
Low
Don’t Care:
Changes
Allowed
N/A
OUTPUTS
Will be
steady
Will change
from Low to
High
Will change
from High to
Low
Changing:
State Not
Known
Center Line
is High
Impedance
11
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