Cypress CY7C1156V18 Manual De Usuario
CY7C1141V18, CY7C1156V18
CY7C1143V18, CY7C1145V18
CY7C1143V18, CY7C1145V18
Document Number: 001-06583 Rev. *D
Page 21 of 28
Maximum Ratings
Exceeding maximum ratings may shorten the useful life of the
device. User guidelines are not tested.
device. 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 Applied to Outputs in High-Z ........ –0.5V to V
DDQ
+ 0.3V
DC Input Voltage
.............................–0.5V to V
DDQ
+ 0.3V
Current into Outputs (LOW)......................................... 20 mA
Static Discharge Voltage (MIL-STD-883, M. 3015).. > 2001V
Latch up Current.................................................... > 200 mA
Operating Range
Range
Ambient
Temperature (T
A
)
V
DD
V
DDQ
Commercial
0°C to +70°C
1.8 ± 0.1V
1.4V to
V
DD
Industrial
–40°C to +85°C
Electrical Characteristics
The DC Electrical Characteristics over the operating range follows.
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
V
DDQ
/2 – 0.12
V
DDQ
/2 + 0.12
V
V
OL
Output LOW Voltage
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
+ 0.15
V
V
IL
Input LOW Voltage
–0.15
V
REF
– 0.1
V
I
X
Input Leakage Current
GND
≤ V
I
≤ V
DDQ
−2
2
μA
I
OZ
Output Leakage Current
GND
≤ V
I
≤ V
DDQ,
Output Disabled
−2
2
μA
V
REF
Input Reference Voltage
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
300 MHz
663
mA
333 MHz
708
mA
375 MHz
766
mA
I
SB1
Automatic Power Down
Current
Current
Max V
DD
,
Both Ports Deselected,
V
V
IN
≥ V
IH
or V
IN
≤ V
IL
f = f
max
=1/t
CYC
,
Inputs Static
300 MHz
201
mA
333 MHz
212
mA
375 MHz
227
mA
AC Electrical Characteristics
The AC Electrical Characteristics over the operating range follows.
Parameter
Description
Test Conditions
Min
Typ
Max
Unit
V
IH
Input HIGH Voltage
V
REF
+ 0.2
–
V
DDQ
+ 0.24
V
V
IL
Input LOW Voltage
–0.24
–
V
REF
– 0.2
V
Notes
17. Power up: Is based on a linear ramp from 0V to V
DD
(min) within 200 ms. During this time V
IH
< V
DD
and V
DDQ
< V
DD
.
18. Output are impedance controlled. I
OH
=
−
(V
DDQ
/2)/(RQ/5) for values of 175
Ω <= RQ <= 350Ω.
19. Output are impedance controlled. I
OL
= (V
DDQ
/2)/(RQ/5) for values of 175
Ω <= RQ <= 350Ω.
20. V
REF
(min) = 0.68V or 0.46V
DDQ
, whichever is larger, V
REF
(max) = 0.95V or 0.54 V
DDQ
, whichever is smaller.
21. The operation current is calculated with 50% read cycle and 50% write cycle.