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CYDC256B16, CYDC128B16,
CYDC064B16, CYDC128B08,
CYDC064B08
Document #: 001-01638 Rev. *E Page 10 of 26
I
IX
Input Leakage Current 1.8V 1.8V –1 1 –1 1 µA
2.5V 2.5V –1 1 –1 1 µA
3.0V 3.0V –1 1 –1 1 µA
I
CC
Operating Current (V
CC
= Max.,
I
OUT
= 0 mA) Outputs Disabled
Ind. 1.8V 1.8V 25 40 15 25 mA
I
SB1
Standby Current (Both Ports TTL
Level) CE
L
and CE
R
≥ V
CC
– 0.2,
SEM
L
= SEM
R
= V
CC
– 0.2, f = f
MAX
Ind. 1.8V 1.8V 2 6 2 6 µA
I
SB2
Standby Current (One Port TTL
Level) CE
L
| CE
R
≥ V
IH
, f = f
MAX
Ind. 1.8V 1.8V 8.5 18 8.5 14 mA
I
SB3
Standby Current (Both Ports
CMOS Level) CE
L
& CE
R
≥
V
CC
− 0.2V, SEM
L
and SEM
R
>
V
CC
– 0.2V, f = 0
Ind. 1.8V 1.8V 2 6 2 6 µA
I
SB4
Standby Current (One Port CMOS
Level) CE
L
| CE
R
≥ V
IH
, f = f
MAX
[25]
Ind. 1.8V 1.8V 8.5 18 8.5 14 mA
Notes:
25.f
MAX
= 1/t
RC
= All inputs cycling at f = 1/t
RC
(except output enable). f = 0 means no address or control lines change. This applies only to inputs at CMOS level
standby I
SB3
.
Electrical Characteristics for V
CC
= 1.8V (continued) Over the Operating Range
Parameter Description
CYDC256B16,
CYDC128B16,
CYDC064B16,
CYDC128B08,
CYDC064B08
CYDC256B16,
CYDC128B16,
CYDC064B16,
CYDC128B08,
CYDC064B08
Unit
-40 -55
P1 I/O
Voltage
P2 I/O
Voltage Min. Typ. Max. Min. Typ. Max.
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