Datasheet

CY7C1292DV18
CY7C1294DV18
Document #: 001-00350 Rev. *E Page 19 of 26
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 ........–0.5V to +2.9V
Supply Voltage on V
DDQ
Relative to GND.......–0.5V to +V
DD
DC Voltage Applied to Outputs
in High-Z State.....................................–0.5V to V
DDQ
+ 0.3V
DC Input Voltage
[12]
............................... –0.5V to V
DD
+ 0.3V
Current into Outputs (LOW)......................................... 20 mA
Static Discharge Voltage.......................................... > 2001V
(per MIL-STD-883, Method 3015)
Latch-up Current.................................................... > 200 mA
Operating Range
Range
Ambient
Temperature (T
A
)
V
DD
[20]
V
DDQ
[20]
Com’l 0°C to +70°C 1.8 0.1 V 1.4V to V
DD
Ind’l –40°C to +85°C
Neutron Soft Error Immunity
Parameter Description
Test
Conditions
Typ Max* Unit
LSBU Logical
Single-Bit
Upsets
25°C 320 368 FIT/
Mb
LMBU Logical
Multi-Bit
Upsets
25°C 0 0.01 FIT/
Mb
SEL Single Event
Latchup
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 Appli-
cation Note AN 54908 “Accelerated Neutron SER Testing and Calculation of
Terrestrial Failure Rates”
Electrical Characteristics
DC Electrical Characteristics
Over the Operating Range
[13, 20]
Parameter 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 18 V
DDQ
/2 – 0.12 V
DDQ
/2 + 0.12 V
V
OL
Output LOW Voltage Note 19 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
[12]
V
REF
+ 0.1 V
DDQ
+0.3 V
V
IL
Input LOW Voltage
[12]
–0.3 V
REF
– 0.1 V
I
X
Input Leakage Current GND  V
I
 V
DDQ
55A
I
OZ
Output Leakage Current GND  V
I
 V
DDQ,
Output Disabled 55A
V
REF
Input Reference Voltage
[21]
Typical Value = 0.75V 0.68 0.75 0.95 V
I
DD
V
DD
Operating Supply V
DD
= Max., I
OUT
= 0 mA,
f = f
MAX
= 1/t
CYC
167 MHz 500 mA
200 MHz 550 mA
250 MHz 600 mA
I
SB1
Automatic Power Down
Current
Max. V
DD
, Both Ports
Deselected, V
IN
 V
IH
or
V
IN
 V
IL
f = f
MAX
= 1/t
CYC,
Inputs Static
167 MHz 240 mA
200 MHz 260 mA
250 MHz 280 mA
Notes
18. Output are impedance controlled. I
OH
= –(V
DDQ
/2)/(RQ/5) for values of 175  RQ  350s.
19. Output are impedance controlled. I
OL
= (V
DDQ
/2)/(RQ/5) for values of 175  RQ  350.
20. Power up: Assumes a linear ramp from 0V to V
DD
(min.) within 200 ms. During this time V
IH
< V
DD
and V
DDQ
< V
DD
.
21. V
REF
(Min.) = 0.68V or 0.46V
DDQ
, whichever is larger, V
REF
(Max.) = 0.95V or 0.54V
DDQ
, whichever is smaller.
22. Tested initially and after any design or process change that may affect these parameters.