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CY7C027/028
CY7C037/038
Document #: 38-06042 Rev. *A
Page 5 of 19
Note:
11. fMAX = 1/tRC = All inputs cycling at f = 1/tRC (except output enable). f = 0 means no address or control lines change. This applies only to inputs at CMOS level standby ISB3.
Electrical Characteristics Over the Operating Range
Symbol
Parameter
CY7C027/028
CY7C037/038
Unit
-12[1]
-15
-20
Min.
Typ.
Max.
Min.
Typ.
Max.
Min.
Typ.
Max.
VOH
Output HIGH Voltage (VCC=Min.,
IOH= –4.0 mA)
2.4
2.4
2.4
V
VOL
Output LOW Voltage (VCC=Min.,
IOH= +4.0 mA)
0.4
0.4
0.4
V
VIH
Input HIGH Voltage
2.2
2.2
2.2
V
VIL
Input LOW Voltage
0.8
0.8
0.8
V
IOZ
Output Leakage Current
–10
10
–10
10
–10
10
µA
ICC
Operating Current
(VCC=Max, IOUT=0 mA)
Outputs Disabled
Com’l.
195
325
190
280
180
265
mA
Ind.[10]
305
290
mA
ISB1
Standby Current (Both
Ports TTL Level) CEL & CER
≥ V
IH, f=fMAX
Com’l.
55
75
50
70
45
65
mA
Ind.[10]
60
80
mA
ISB2
Standby Current (One Port
TTL Level) CEL | CER ≥ VIH,
f=fMAX
Com’l.
125
205
120
180
110
160
mA
Ind.[10]
125
175
mA
ISB3
Standby Current (Both
Ports CMOS Level) CEL &
CER ≥ VCC – 0.2V, f=0
Com’l.
0.05
0.5
0.05
0.5
0.05
0.5
mA
Ind.[10]
0.05
0.5
mA
ISB4
Standby Current (One Port
CMOS Level) CEL | CER ≥
VIH, f=fMAX
[11]
Com’l.
115
185
110
160
100
140
mA
Ind.[10]
115
155
mA
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