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CY7C027V/027VN/027AV/028V
CY7C037V/037AV/038V
Document #: 38-06078 Rev. *B Page 6 of 18
Maximum Ratings
Exceeding maximum ratings may shorten the useful life of the
device. User guidelines are not tested.
Storage Temperature .................................–65
°
C to +150
°
C
Ambient Temperature with
Power Applied ............................................–55
°
C to +125
°
C
Supply Voltage to Ground Potential................–0.5V to +4.6V
DC Voltage Applied to
Outputs in High-Z State ...........................–0.5V to V
CC
+0.5V
DC Input Voltage
[2]
..................................–0.5V to V
CC
+0.5V
Output Current into Outputs (LOW).............................20 mA
Static Discharge Voltage.......................................... > 1100V
Latch-up Current.................................................... > 200 mA
Operating Range
Range
Ambient
Temperature V
CC
Commercial 0
°
C to +70
°
C 3.3V ± 300 mV
Industrial
[3]
–40
°
C to +85
°
C 3.3V ± 300 mV
Electrical Characteristics
Over the Operating Range
Parameter Description
CY7C027V/027VN/027AV/028V/CY7C037V/037AV/038V
Unit-15 -20 -25
Min Typ Max Min Typ Max Min Typ Max
V
OH
Output HIGH Voltage
(V
CC
=Min., I
OH
= –4.0 mA)
2.4 2.4 2.4 V
V
OL
Output LOW Voltage (V
CC
=Min., I
OH
= +4.0 mA) 0.4 0.4 0.4 V
V
IH
Input HIGH Voltage 2.2 2.2 2.2 V
V
IL
Input LOW Voltage 0.8 0.8 0.8 V
I
IX
Input Leakage Current −55−55−55μA
I
OZ
Output Leakage Current –10 10 –10 10 –10 10 μA
I
CC
Operating Current (V
CC
=Max. I
OUT
=0
mA) Outputs Disabled
Com’l. 125 185 120 175 115 165 mA
Ind.
[3]
140 195 mA
I
SB1
Standby Current (Both Ports TTL
Level) CE
L
& CE
R
≥ V
IH
, f=f
MAX
Com’l. 35 50 35 45 30 40 mA
Ind.
[3]
45 55 mA
I
SB2
Standby Current (One Port TTL Level)
CE
L
| CE
R
≥ V
IH
, f=f
MAX
Com’l. 80 120 75 110 65 95 mA
Ind.
[3]
85 120 mA
I
SB3
Standby Current (Both Ports CMOS
Level) CE
L
& CE
R
≥ V
CC
−0.2V, f=0
Com’l. 10 250 10 250 10 250 μA
Ind.
[3]
10 250 μA
I
SB4
Standby Current (One Port CMOS Lev-
el) CE
L
| CE
R
≥ V
IH
, f=f
MAX
[4]
Com’l. 75 105 70 95 60 80 mA
Ind.
[3]
80 105 mA
Capacitance
[5]
Parameter Description Test Conditions Max Unit
C
IN
Input Capacitance T
A
= 25
°
C, f = 1 MHz,
V
CC
= 3.3V
10 pF
C
OUT
Output Capacitance 10 pF
Notes
2. Pulse width < 20 ns.
3. Industrial parts are available in CY7C028V and CY7C038V only.
4. 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
.
5. Tested initially and after any design or process changes that may affect these parameters.
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