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コンピュータ・ハードウェア Cypress Semiconductor CY7C027VNのPDF 仕様書をオンラインで閲覧またはダウンロードできます。Cypress Semiconductor CY7C027VN 19 ページ。 3.3v 32k/64k x 16/18 dual-port static ram
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Maximum Ratings
Exceeding maximum ratings may shorten the useful life of the
device. User guidelines are not tested.
Storage Temperature ................................. –65
Ambient Temperature with
Power Applied ............................................ –55
Supply Voltage to Ground Potential................–0.5V to +4.6V
DC Voltage Applied to
Outputs in High-Z State ........................... –0.5V to V
Electrical Characteristics
Parameter
V
Output HIGH Voltage
OH
(V
=Min., I
= –4.0 mA)
CC
OH
V
Output LOW Voltage (V
OL
V
Input HIGH Voltage
IH
V
Input LOW Voltage
IL
I
Input Leakage Current
IX
I
Output Leakage Current
OZ
I
Operating Current (V
CC
mA) Outputs Disabled
I
Standby Current (Both Ports TTL
SB1
Level) CE
& CE
L
I
Standby Current (One Port TTL Level)
SB2
≥ V
CE
| CE
, f=f
L
R
IH
I
Standby Current (Both Ports CMOS
SB3
Level) CE
& CE
L
I
Standby Current (One Port CMOS Lev-
SB4
≥ V
el) CE
| CE
L
R
Capacitance
[5]
Parameter
C
Input Capacitance
IN
C
Output Capacitance
OUT
Notes
2. Pulse width < 20 ns.
3. Industrial parts are available in CY7C028V and CY7C038V only.
4. f
= 1/t
= All inputs cycling at f = 1/t
MAX
RC
5. Tested initially and after any design or process changes that may affect these parameters.
Document #: 38-06078 Rev. *B
°
°
C to +150
°
°
C to +125
+0.5V
CC
Over the Operating Range
Description
=Min., I
= +4.0 mA)
CC
OH
=Max. I
=0
Com'l.
CC
OUT
[3]
Ind.
Com'l.
≥ V
, f=f
[3]
R
IH
MAX
Ind.
Com'l.
[3]
MAX
Ind.
Com'l.
≥ V
−0.2V, f=0
[3]
R
CC
Ind.
Com'l.
[4]
, f=f
[3]
IH
MAX
Ind.
Description
T
V
(except output enable). f = 0 means no address or control lines change. This applies only to inputs at CMOS level standby I
RC
CY7C027V/027VN/027AV/028V
[2]
DC Input Voltage
.................................. –0.5V to V
Output Current into Outputs (LOW)............................. 20 mA
Static Discharge Voltage.......................................... > 1100V
Latch-up Current.................................................... > 200 mA
C
Operating Range
C
Range
Commercial
[3]
Industrial
CY7C027V/027VN/027AV/028V/CY7C037V/037AV/038V
-15
-20
Min
Typ Max Min
Typ
2.4
2.4
0.4
2.2
2.2
0.8
−5
−5
5
–10
10
–10
125
185
120
140
35
50
35
45
80
120
75
85
10
250
10
10
75
105
70
80
Test Conditions
°
= 25
C, f = 1 MHz,
A
= 3.3V
CC
CY7C037V/037AV/038V
CC
Ambient
Temperature
V
°
°
3.3V ± 300 mV
0
C to +70
C
°
°
3.3V ± 300 mV
–40
C to +85
C
-25
Max
Min
Typ
Max
2.4
0.4
0.4
2.2
0.8
0.8
−5
5
5
10
–10
10
175
115
165
195
45
30
40
55
110
65
95
120
250
10
250
250
95
60
80
105
Max
Unit
10
pF
10
pF
Page 6 of 18
+0.5V
CC
Unit
V
V
V
V
μA
μA
mA
mA
mA
mA
mA
mA
μA
μA
mA
mA
.
SB3
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