Datasheet

CY7C1543V18
CY7C1545V18
Document Number: 001-05389 Rev. *H Page 20 of 26
I
DD
[22]
V
DD
Operating Supply V
DD
= Max,
I
OUT
= 0 mA,
f = f
MAX
= 1/t
CYC
375 MHz x18 1300 mA
x36
1370
333 MHz x18 1200
x36
1230
300 MHz x18 1100
x36
1140
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
375 MHz x18 525 mA
x36
410
333 MHz x18 500
x36
395
300 MHz x18 450
x36
385
AC Electrical Characteristics
Over the Operating Range
[14]
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
Electrical Characteristics (continued)
DC Electrical Characteristics
Over the Operating Range
[15]
Parameter Description Test Conditions Min Typ Max Unit
Note
22. The operation current is calculated with 50% read cycle and 50% write cycle.
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