CY14E256L
Document Number: 001-06968 Rev. *F Page 7 of 18
Maximum Ratings
Exceeding maximum ratings may shorten the useful life of the
device. These user guidelines are not tested.
Storage Temperature .................................–65°C to +150°C
Ambient Temperature with
Power Applied............................................ –55°C to +125°C
Supply Voltage on V
CC
Relative to GND..........–0.5V to 7.0V
Voltage Applied to Outputs
in High Z State.......................................–0.5V to V
CC
+ 0.5V
Input Voltage...........................................–0.5V to Vcc + 0.5V
Transient Voltage (<20 ns) on
Any Pin to Ground Potential.................. –2.0V to V
CC
+ 2.0V
Package Power Dissipation
Capability (T
A
= 25°C)................................................... 1.0W
Surface Mount Lead Soldering
Temperature (3 Seconds)..........................................+260°C
DC output Current (1 output at a time, 1s duration) .... 15 mA
Static Discharge Voltage.......................................... > 2001V
(MIL-STD-883, Method 3015)
Latch Up Current................................................... > 200 mA
Operating Range
Range Ambient Temperature V
CC
Commercial 0°C to +70°C 4.5V to 5.5V
Industrial -40°C to +85°C 4.5V to 5.5V
DC Electrical Characteristics
Over the operating range (V
CC
= 4.5V to 5.5V)
[6]
Parameter Description Test Conditions Min Max Unit
I
CC1
Average V
CC
Current t
RC
= 25 ns
t
RC
= 35 ns
t
RC
= 45 ns
Dependent on output loading and cycle rate.
Values obtained without output loads.
I
OUT
= 0 mA.
Commercial 97
80
70
mA
mA
Industrial 100
85
70
mA
mA
mA
I
CC2
Average V
CC
Current
during STORE All Inputs Do Not Care, V
CC
= Max
Average current for duration t
STORE
3mA
I
CC3
Average V
CC
Current at
t
RC
= 200 ns, 5V, 25°C
Typica l
WE > (V
CC
– 0.2V). All other inputs cycling.
Dependent on output loading and cycle rate. Values obtained
without output loads.
10 mA
I
CC4
Average V
CAP
Current
during AutoStore Cycle All Inputs Do Not Care, V
CC
= Max
Average current for duration t
STORE
2mA
I
SB [7]
V
CC
Standby Current CE > (V
CC
– 0.2V). All others V
IN
< 0.2V or > (V
CC
– 0.2V).
Standby current level after nonvolatile cycle is complete.
Inputs are static. f = 0 MHz.
1.5 mA
I
SB1[7]
V
CC
Standby Current
(Standby, Cycling TTL
Input Levels)
t
RC
= 25 ns, CE > V
IH
t
RC
= 35 ns, CE > V
IH
t
RC
= 45 ns, CE > V
IH
Commercial 30
25
22
mA
mA
mA
Industrial 31
26
23
mA
mA
mA
I
IX
Input Leakage Current V
CC
= Max, V
SS
< V
IN
< V
CC
-1 +1 μA
I
OZ
Off State Output Leakage
Current V
CC
= Max, V
SS
< V
IN
< V
CC
, CE or OE > V
IH
or WE < V
IL
-5 +5 μA
V
IH
Input HIGH Voltage 2.2 V
CC
+
0.5 V
V
IL
Input LOW Voltage V
SS
–
0.5 0.8 V
V
OH
Output HIGH Voltage I
OUT
= –4 mA 2.4 V
Notes
6. V
CC
reference levels throughout this data sheet refer to V
CC
if that is where the power supply connection is made, or V
CAP
if V
CC
is connected to ground.
7. CE > V
IH
does not produce standby current levels until any nonvolatile cycle in progress has timed out.
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