X28HC256
4
FN8108.5
August 27, 2015
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Absolute Maximum Ratings Thermal Information
Voltage on any Pin with Respect to V
SS
. . . . . . . . . . . . . . . . . . . . . 1V to +7V
DC Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Recommended Operating Conditions
Temperature Range
Commercial. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
Industrial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V ± 10%
Temperature Under Bias
X28HC256. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -10°C to +85°C
X28HC256I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see TB493
*Pb-free PDIPs can be used for through hole wave solder processing only.
They are not intended for use in Reflow solder processing applications.
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
DC Electrical Specifications Across recommended operating conditions, unless otherwise specified.
PARAMETER SYMBOL TEST CONDITIONS
LIMITS
UNIT
MIN
(Note 7
)
TYP
(Note 5)
MAX
(Note 7)
V
CC
Active Current
(TTL Inputs)
I
CC
CE = OE = V
IL
, WE = V
IH
, All I/O’s = open,
address inputs = 0.4V/2.4V levels at f = 10MHz
30 60 mA
V
CC
Standby Current
(TTL Inputs)
I
SB1
CE = V
IH
, OE = V
IL
, All I/O’s = open, other inputs = V
IH
12mA
V
CC
Standby Current
(CMOS Inputs)
I
SB2
CE = V
CC
- 0.3V, OE = GND, All I/Os = open, other
inputs = V
CC
- 0.3V
200 500 µA
Input Leakage Current I
LI
V
IN
= V
SS
to V
CC
10 µA
Output Leakage Current I
LO
V
OUT
= V
SS
to V
CC
, CE = V
IH
10 µA
Input Low Voltage V
lL
(Note 6)-10.8V
Input High Voltage V
IH
(Note 6)2V
CC
+ 1 V
Output Low Voltage V
OL
I
OL
= 6mA 0.4 V
Output High Voltage V
OH
I
OH
= -4mA 2.4 V
NOTES:
5. Typical values are for T
A
= +25°C and nominal supply voltage.
6. V
IL
minimum and V
IH
maximum are for reference only and are not tested.
7. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
Power-up Timing
PARAMETER SYMBOL MAX UNIT
Power-up to Read t
PUR
,
(Note 8)100 µs
Power-up to Write t
PUW
, (Note 8)5 ms
NOTE:
8. This parameter is periodically sampled and not 100% tested.
Capacitance T
A
= +25°C, f = 1MHz, V
CC
= 5V.
SYMBOL TEST CONDITIONS MAX UNIT
C
I/O
(Note 8) Input/output capacitance V
I/O
= 0V 10 pF
C
IN
(Note 8) Input capacitance V
IN
= 0V 6 pF
Endurance and Data Retention
PARAMETER MIN MAX UNIT
Endurance 100,000 Cycles
Data retention 100 Years
