Datasheet
CY7C1516KV18, CY7C1527KV18
CY7C1518KV18, CY7C1520KV18
Document Number: 001-00437 Rev. *J Page 21 of 33
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
+ 0.3 V
DC input voltage
[11]
............................. –0.5 V to V
DD
+ 0.3 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
[15]
V
DDQ
[15]
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 χ
2
, 95% confidence limit calculation. For more details refer to Appli-
cation Note AN 54908 “Accelerated Neutron SER Testing and Calculation of
Terrestrial Failure Rates”
Electrical Characteristics
DC Electrical Characteristics
Over the Operating Range
[12]
Parameter Description Test Conditions Min Typ Max Unit
V
DD
Power supply voltage 1.7 1.8 1.9 V
V
DDQ
IO supply voltage 1.4 1.5 V
DD
V
V
OH
Output HIGH voltage Note 16 V
DDQ
/2 – 0.12 V
DDQ
/2 + 0.12 V
V
OL
Output LOW voltage Note 17 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 μA
I
OZ
Output leakage current GND ≤ V
I
≤ V
DDQ,
Output disabled −5 5 μA
V
REF
Input reference voltage
[18]
Typical value = 0.75 V 0.68 0.75 0.95 V
Notes
15. 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
.
16. Outputs are impedance controlled. I
OH
= –(V
DDQ
/2)/(RQ/5) for values of 175 Ω < RQ < 350 Ω.
17. Outputs are impedance controlled. I
OL
= (V
DDQ
/2)/(RQ/5) for values of 175 Ω < RQ < 350 Ω.
18. 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.
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