- ページ 3
コンピュータ・ハードウェア Cypress Semiconductor CY7C138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 CY7C138 18 ページ。 4k x 8/9 dual-port static ram with sem, int, busy
ページを印刷するMaximum Ratings
Exceeding maximum ratings may impair the useful life of the
device. These 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 +7.0V
DC Voltage Applied to Outputs
in High Z State ................................................–0.5V to +7.0V
[6]
DC Input Voltage
.........................................–0.5V to +7.0V
Electrical Characteristics
Parameter
Description
V
Output HIGH Voltage
OH
V
Output LOW Voltage
OL
V
IH
V
Input LOW Voltage
IL
I
Input Leakage Current
IX
I
Output Leakage Current
OZ
I
Operating Current
CC
I
Standby Current
SB1
(Both Ports TTL Levels)
I
Standby Current
SB2
(One Port TTL Level)
I
Standby Current
SB3
(Both Ports CMOS Levels)
I
Standby Current
SB4
(One Port CMOS Level)
Notes
5. The Voltage on any input or I/O pin cannot exceed the power pin during power-up.
6. Pulse width < 20 ns.
7. f
= 1/t
= All inputs cycling at f = 1/t
MAX
RC
standby I
.
SB3
Document #: 38-06037 Rev. *D
[5]
Over the Operating Range
Test Conditions
V
= Min., I
= –4.0 mA
CC
OH
V
= Min., I
= 4.0 mA
CC
OL
GND < V
< V
I
CC
Output Disabled, GND < V
V
= Max.,
CC
I
= 0 mA,
OUT
Outputs Disabled
CE
and CE
> V
,
L
R
IH
[7]
f = f
MAX
CE
and CE
> V
,
L
R
IH
[7]
f = f
MAX
Both Ports
CE and CE
> V
– 0.2V,
R
CC
V
> V
– 0.2V
IN
CC
[7]
or V
< 0.2V, f = 0
IN
One Port
CE
or CE
> V
– 0.2V,
L
R
CC
V
> V
– 0.2V or
IN
CC
V
< 0.2V, Active
IN
Port Outputs, f = f
MAX
(except output enable). f = 0 means no address or control lines change. This applies only to inputs at CMOS level
RC
Output Current into Outputs (LOW)............................. 20 mA
Static Discharge Voltage........................................... >2001V
(per MIL-STD-883, Method 3015)
Latch-Up Current .................................................... >200 mA
Operating Range
Ambient
Range
Temperature
°
Commercial
0
C to +70
°
Industrial
–40
7C138-15
7C139-15
Min
2.4
2.2
–10
< V
–10
O
CC
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
[7]
CY7C138, CY7C139
V
CC
°
C
5V ± 10%
°
C to +85
C
5V ± 10%
7C138-25
7C139-25
Max
Min
Max
2.4
0.4
0.4
2.2
0.8
0.8
+10
–10
+10
+10
–10
+10
220
180
190
60
40
50
130
110
120
15
15
30
125
100
115
Page 3 of 17
Unit
V
V
V
V
μA
μA
mA
mA
mA
mA
mA
[+] Feedback