X9241WP Просмотр технического описания (PDF) - Xicor -> Intersil
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X9241WP Datasheet PDF : 16 Pages
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X9241
ENDURANCE AND DATA RETENTION
Parameter
Minimum Endurance
Data Retention
Min.
100,000
100
CAPACITANCE
Symbol
Parameter
CI/O(5)
CIN(5)
Input/Output Capacitance (SDA)
Input Capacitance (A0, A1, A2, A3 and SCL)
Units
Data Changes per Register
Years
3864 PGM T07.2
Max.
8
6
Units
pF
pF
Test Conditions
VI/O = 0V
VIN = 0V
3864 PGM T08
POWER-UP TIMING
Symbol
Parameter
tPUR(6)
tPUW(6)
Power-up to Initiation of Read Operation
Power-up to Initiation of Write Operation
Max.
1
5
Units
ms
ms
3864 PGM T09
A.C. CONDITIONS OF TEST
Input Pulse Levels
VCC x 0.1 to VCC x 0.9
Input Rise and
Fall Times
10ns
Input and Output
Timing Levels
VCC x 0.5
3864 PGM T10
Notes: (5) This parameter is periodically sampled and not 100%
tested.
(6) tPUR and tPUW are the delays required from the time
VCC is stable until the specified operation can be
initiated. These parameters are periodically sampled
and not 100% tested.
SYMBOL TABLE
WAVEFORM INPUTS
OUTPUTS
Must be
steady
May change
from LOW
to HIGH
May change
from HIGH
to LOW
Don’t Care:
Changes
Allowed
N/A
Will be
steady
Will change
from LOW
to HIGH
Will change
from HIGH
to LOW
Changing:
State Not
Known
Center Line
is High
Impedance
EQUIVALENT A.C. TEST CIRCUIT
5V
1533Ω
SDA OUTPUT
100pF
3864 ILL F02.1
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)
3864 ILL F17
10
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