Cypress CY7C1170V18 Manual De Usuario
CY7C1166V18, CY7C1177V18
CY7C1168V18, CY7C1170V18
CY7C1168V18, CY7C1170V18
Document Number: 001-06620 Rev. *D
Page 20 of 27
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
DD
+ 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
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 Characteristic
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
850
mA
333 MHz
920
mA
375 MHz
1020
mA
400 MHz
1080
mA
I
SB1
Automatic Power Down 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
250
mA
333 MHz
260
mA
375 MHz
290
mA
400 MHz
300
mA
AC Input Requirements
Over the operating range
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
15. 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.
16. Outputs are impedance controlled. I
OH
= –(V
DDQ
/2)/(RQ/5) for values of 175
Ω < RQ < 350Ω.
17. Outputs are impedance controlled. I
OL
= (V
DDQ
/2)/(RQ/5) for values of 175
Ω < RQ < 350Ω
18. V
REF
(min) = 0.68V or 0.46V
DDQ
, whichever is larger, V
REF
(max) = 0.95V or 0.54V
DDQ
, whichever is smaller.
19. The operation current is calculated with 50% read cycle and 50% write cycle.