Cypress CY7C1157V18 - Manual (Page 20)

CY7C1146V18, CY7C1157V18
CY7C1148V18, CY7C1150V18
Document Number: 001-06621 Rev. *D Page 20 of 27
Maximum Ratings
Exceeding maximum ratings may shorten 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
+ 0.3V
DC Input Voltage
[12]
............................... –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
[16] V
DDQ
[16]
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. [13]
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 17 V
DDQ
/2 – 0.12 V
DDQ
/2 + 0.12 V
V
OL
Output LOW Voltage Note 18 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 [19] Typical Value = 0.75V 0.68 0.75 0.95 V
I
DD
[20] 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
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
300 MHz 250 mA
333 MHz 260 mA
375 MHz 290 mA
AC Input Requirements
Over the operating range
[12]
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
16. 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
.
17. Outputs are impedance controlled. I
OH
= –(V
DDQ
/2)/(RQ/5) for values of 175 Ω < RQ < 350Ω.
18. Outputs are impedance controlled. I
OL
= (V
DDQ
/2)/(RQ/5) for values of 175 Ω < RQ < 350Ω.
19. V
REF
(min) = 0.68V or 0.46 V
DDQ
, whichever is larger, V
REF
(max) = 0.95V or 0.54 V
DDQ
, whichever is smaller.
20. The operation current is calculated with 50% read cycle and 50% write cycle.
[+] Feedback [+] Feedback