X28C64 Datasheet, PDF (11/25 Pages) Xicor Inc. – 5 Volt, Byte Alterable E2PROM

X28C64
ENDURANCE AND DATA RETENTION
Parameter
Minimum Endurance
Data Retention
Min.
100,000
100
POWER-UP TIMING
Symbol
t_PUR(3)
tPUW(3)
Parameter
Power-up to Read Operation
Power-up to Write Operation
Typ.⁽¹⁾
100
5
CAPACITANCE T_A = +25°C, f = 1MHz, V_CC = 5V
Symbol
Parameter
CI/O(3)
CIN(3)
Input/Output Capacitance
Input Capacitance
Max.
10
6
Units
pF
pF
A.C. CONDITIONS OF TEST
Input Pulse Levels
0V to 3V
Input Rise and
Fall Times
Input and Output
Timing Levels
10ns
1.5V
3853 PGM T08.1
MODE SELECTION
CE OE WE
L
L
H
L
H
L
H
X
X
X
L
X
X
X
H
Mode
Read
Write
Standby and
Write Inhibit
Write Inhibit
Write Inhibit
EQUIVALENT A.C. LOAD CIRCUIT
SYMBOL TABLE
Units
Cycles
Years
3853 PGM T05.1
Units
µs
ms
3853 PGM T06
Test Conditions
VI/O = 0V
VIN = 0V
3853 PGM T07.1
I/O
D_OUT
DIN
High Z
—
—
Power
Active
Active
Standby
—
—
3853 PGM T09
5V
OUTPUT
1.92KΩ
1.37KΩ
100pF
3853 FHD F20.3
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
Note: (3) This parameter is periodically sampled and not 100% tested.
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