Cypress CY7C027VN Manual De Usuario
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.
device. User guidelines are not tested.
Storage Temperature ................................. –65
°
C to +150
°
C
Ambient Temperature with
Power Applied ............................................ –55
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
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
–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
(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
−5
5
−5
5
−5
5
μA
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.
140
195
mA
I
SB1
Standby Current (Both Ports TTL
Level) CE
Level) CE
L
& CE
R
≥ V
IH
, f=f
MAX
Com’l.
35
50
35
45
30
40
mA
Ind.
45
55
mA
I
SB2
Standby Current (One Port TTL Level)
CE
CE
L
| CE
R
≥ V
IH
, f=f
MAX
Com’l.
80
120
75
110
65
95
mA
Ind.
85
120
mA
I
SB3
Standby Current (Both Ports CMOS
Level) CE
Level) CE
L
& CE
R
≥ V
CC
−0.2V, f=0
Com’l.
10
250
10
250
10
250
μA
Ind.
10
250
μA
I
SB4
Standby Current (One Port CMOS Lev-
el) CE
el) CE
L
| CE
R
≥ V
IH
, f=f
MAX
Com’l.
75
105
70
95
60
80
mA
Ind.
80
105
mA
Capacitance
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
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.