X28HC64 查看數據表（PDF） - Intersil
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X28HC64 Datasheet PDF : 16 Pages
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X28HC64
ENDURANCE AND DATA RETENTION
Parameter
Minimum endurance
Data retention
Min.
100,000
100
POWER-UP TIMING
Symbol
tPUR(3)
tPUW(3)
Parameter
Power-up to read operation
Power-up to write operation
CAPACITANCE TA = +25°C, f = 1MHz, VCC = 5V
Symbol
CI/O(3)
CIN(3)
Parameter
Input/output capacitance
Input capacitance
A.C. CONDITIONS OF TEST
Input pulse levels
Input rise and fall times
Input and output timing levels
0V to 3V
5ns
1.5V
Note: (3) This parameter is periodically sampled and not 100% tested.
EQUIVALENT A.C. LOAD CIRCUITS
Max.
Unit
Cycles
Years
Typ.(1)
100
5
Unit
µs
ms
Max.
10
6
Unit
pF
pF
Test Conditions
VI/O = 0V
VIN = 0V
MODE SELECTION
CE OE WE
Mode
L LH
Read
LHL
Write
H X X Standby and
write inhibit
X L X Write inhibit
X X H Write inhibit
I/O
DOUT
DIN
High Z
—
—
Power
Active
Active
Standby
—
—
SYMBOL TABLE
5V
Output
1.92kΩ
1.37kΩ
30pF
WAVEFORM INPUTS
OUTPUTS
Must be
steady
Will be
steady
May change
from LOW
to HIGH
May change
from HIGH
to LOW
Don’t Care:
Changes
Allowed
N/A
Will change
from LOW
to HIGH
Will change
from HIGH
to LOW
Changing:
State Not
Known
Center Line
is High
Impedance
11
FN8109.0
June 1, 2005
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