Cypress CY7C1527JV18 Manuale Utente
CY7C1516JV18, CY7C1527JV18
CY7C1518JV18, CY7C1520JV18
CY7C1518JV18, CY7C1520JV18
Document Number: 001-12559 Rev. *D
Page 20 of 26
Maximum Ratings
Exceeding maximum ratings may impair the useful life of the
device. These user guidelines are not tested.
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 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 (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
DC Electrical Characteristics
Over the Operating Range
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
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
(x8)
1035
mA
(x9)
1035
(x18)
1045
(x36)
1055
250 MHz
(x8)
800
mA
(x9)
800
(x18)
800
(x36)
900
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
(x8)
410
mA
(x9)
410
(x18)
415
(x36)
415
250 MHz
(x8)
380
mA
(x9)
380
(x18)
380
(x36)
380
Notes
15. 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
.
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.