Datasheet

CY7C1525KV18
CY7C1512KV18
CY7C1514KV18
Document Number: 001-00436 Rev. *R Page 22 of 34
Maximum Ratings
Exceeding maximum ratings may impair 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
DD
relative to GND .......–0.5 V to +2.9 V
Supply voltage on V
DDQ
relative to GND ...... –0.5 V to +V
DD
DC applied to outputs in High Z ........ –0.5 V to V
DDQ
+ 0.5 V
DC input voltage
[19]
........................... –0.5 V to V
DD
+ 0.5 V
Current into outputs (LOW) ........................................ 20 mA
Static discharge voltage
(MIL-STD-883, M. 3015) ......................................... > 2001 V
Latch up current .....................................................> 200 mA
Operating Range
Range
Ambient
Temperature (T
A
) V
DD
[20]
V
DDQ
[20]
Commercial 0°C to +70°C 1.8 ± 0.1 V 1.4 V to
V
DD
Industrial –40°C to +85°C
Neutron Soft Error Immunity
Parameter Description
Test
Conditions
Typ Max* Unit
LSBU Logical
single-bit
upsets
25 °C 197 216 FIT/
Mb
LMBU Logical
multi-bit
upsets
25 °C 0 0.01 FIT/
Mb
SEL Single event
latch up
85 °C 0 0.1 FIT/
Dev
* No LMBU or SEL events occurred during testing; this column represents a
statistical 
2
, 95% confidence limit calculation. For more details refer to
Application Note AN54908 “Accelerated Neutron SER Testing and Calculation of
Terrestrial Failure Rates”.
Electrical Characteristics
Over the Operating Range
DC Electrical Characteristics
Over the Operating Range
Parameter
[21]
Description Test Conditions Min Typ Max Unit
V
DD
Power supply voltage 1.7 1.8 1.9 V
V
DDQ
I/O supply voltage 1.4 1.5 V
DD
V
V
OH
Output HIGH voltage Note 22 V
DDQ
/2 – 0.12 – V
DDQ
/2 + 0.12 V
V
OL
Output LOW voltage Note 23 V
DDQ
/2 – 0.12 – V
DDQ
/2 + 0.12 V
V
OH(LOW)
Output HIGH voltage I
OH
=0.1 mA, Nominal Impedance V
DDQ
– 0.2 – V
DDQ
V
V
OL(LOW)
Output LOW voltage I
OL
= 0.1 mA, Nominal Impedance V
SS
– 0.2 V
V
IH
Input HIGH voltage V
REF
+ 0.1 – V
DDQ
+ 0.3 V
V
IL
Input LOW voltage –0.3 – V
REF
– 0.1 V
I
X
Input leakage current GND  V
I
 V
DDQ
5 – 5 A
I
OZ
Output leakage current GND  V
I
 V
DDQ,
Output Disabled 5 – 5 A
V
REF
Input reference voltage
[24]
Typical Value = 0.75 V 0.68 0.75 0.95 V
Notes
19. Overshoot: V
IH(AC)
< V
DDQ
+ 0.85 V (Pulse width less than t
CYC
/2), Undershoot: V
IL(AC)
> –1.5 V (Pulse width less than t
CYC
/2).
20. Power up: Assumes a linear ramp from 0 V to V
DD(min)
within 200 ms. During this time V
IH
< V
DD
and V
DDQ
< V
DD
.
21. All voltage referenced to Ground.
22. Output are impedance controlled. I
OH
= (V
DDQ
/2)/(RQ/5) for values of 175   RQ  350 .
23. Output are impedance controlled. I
OL
= (V
DDQ
/2)/(RQ/5) for values of 175   RQ  350 .
24. V
REF(min)
= 0.68 V or 0.46 V
DDQ
, whichever is larger, V
REF(max)
= 0.95 V or 0.54 V
DDQ
, whichever is smaller.