X28HC256D-12 XICOR [Xicor Inc.], X28HC256D-12 Datasheet - Page 11

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X28HC256D-12

Manufacturer Part Number
X28HC256D-12
Description
5 Volt, Byte Alterable E2PROM
Manufacturer
XICOR [Xicor Inc.]
Datasheet
X28HC256
POWER-UP TIMING
CAPACITANCE T
ENDURANCE AND DATA RETENTION
A.C. CONDITIONS OF TEST
Note:
EQUIVALENT A.C. LOAD CIRCUIT
Input Pulse Levels
Input Rise and
Fall Times
Input and Output
Timing Levels
Symbol
(3) This parameter is periodically sampled and not 100%
C
C
Symbol
t
t
PUW (3)
PUR (3)
I/O (9)
IN (9)
tested.
OUTPUT
Endurance
Data Retention
Parameter
1.37K
A
= +25 C, f = 1MHz, V
0V to 3V
5V
3859 PGM T08.1
1.5V
5ns
Input/Output Capacitance
Input Capacitance
1.92K
Power-Up to Read
Power-Up to Write
Test
30pF
MODE SELECTION
Parameter
CE
3859 FHD F20.3
H
X
X
L
L
CC
= 5V.
OE
H
X
X
L
L
100,000
Min.
100
11
WE
H
H
X
X
L
SYMBOL TABLE
Max.
Read
Write
Standby and Write Inhibit
Write Inhibit
Write Inhibit
10
6
WAVEFORM
Mode
Max.
Max.
100
Units
5
pF
pF
INPUTS
Must be
steady
May change
from LOW
to HIGH
May change
from HIGH
to LOW
Don’t Care:
Changes
Allowed
N/A
Conditions
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
High Z Standby
D
V
V
D
I/O
OUT
I/O
IN
IN
Cycles
Units
Years
Units
= 0V
ms
= 0V
s
3859 PGM T06.2
3859 PGM T07.3
3859 PGM T05
3859 PGM T09
Power
Active
Active

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