Cypress CY7C1510KV18 Manuale Utente

Pagina di 30
CY7C1510KV18, CY7C1525KV18
CY7C1512KV18, CY7C1514KV18
Document Number: 001-00436 Rev. *E
Page 20 of 30
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 Applied to Outputs in High-Z  ........ –0.5V to V
DDQ 
+ 0.5V
DC Input Voltage 
.............................. –0.5V to V
DD
 + 0.5V
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
333 MHz (x8)
790
mA
(x9)
790
(x18)
810
(x36)
990
300 MHz (x8)
730
mA
(x9)
730
(x18)
750
(x36)
910
250 MHz (x8)
640
mA
(x9)
640
(x18)
650
(x36)
790
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. Output are impedance controlled. I
OH
 = 
(V
DDQ
/2)/(RQ/5) for values of 175 ohms <= RQ <= 350 ohms.
17. Output are impedance controlled. I
OL
 = (V
DDQ
/2)/(RQ/5) for values of 175 ohms <= RQ <= 350 ohms.
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.