Datasheet

CY7C1318JV18
CY7C1320JV18
Document Number: 001-15271 Rev. *E Page 19 of 24
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 (x18) 230 mA
(x36) 295
250 MHz (x18) 230
(x36) 295
AC Electrical Characteristics
Over the Operating Range
[11]
Parameter Description Test Conditions Min Typ Max Unit
V
IH
Input HIGH Voltage V
REF
+ 0.2 – – V
V
IL
Input LOW Voltage – – V
REF
– 0.2 V
Electrical Characteristics (continued)
DC Electrical Characteristics
Over the Operating Range
[12]
Parameter Description Test Conditions Min Typ Max Unit
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 175Ω < RQ < 350Ω.
17. Outputs are impedance controlled. I
OL
= (V
DDQ
/2)/(RQ/5) for values of 175Ω < 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.
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