CY7C138 CYPRESS [Cypress Semiconductor], CY7C138 Datasheet - Page 3

• Manufacturer Part Number: CY7C138
• Description: 4K x 8/9 Dual-Port Static RAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, 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
DC Input Voltage
Electrical Characteristics
V
V
V
V
I
I
I
I
I
I
I
Notes:
Parameter
IX
OZ
CC
SB1
SB2
SB3
SB4
5.
6.
OH
OL
IH
IL
Pulse width < 20 ns.
f
level standby I
MAX
= 1/t
RC
Output HIGH Voltage
Output LOW Voltage
Input LOW Voltage
Input Leakage Current
Output Leakage Current
Operating Current
Standby Current
(Both Ports TTL Levels)
Standby Current
(One Port TTL Level)
Standby Current
(Both Ports CMOS Levels)
Standby Current
(One Port CMOS Level)
= All inputs cycling at f = 1/t
SB3
[5]
......................................... –0.5V to +7.0V
.
Description
Over the Operating Range
RC
(except output enable). f = 0 means no address or control lines change. This applies only to inputs at CMOS
V
V
GND < V
Output Disabled, GND < V
V
I
Outputs Disabled
CE
f = f
CE
f = f
Both Ports
CE and CE
V
or V
One Port
CE
V
V
Port Outputs, f = f
OUT
IN
IN
IN
CC
CC
CC
L
L
L
> V
> V
< 0.2V, Active
IN
MAX
MAX
= Max.,
or CE
= 0 mA,
= Min., I
= Min., I
and CE
and CE
< 0.2V, f = 0
CC
CC
[6]
[6]
I
R
– 0.2V
– 0.2V or
< V
R
Test Conditions
> V
> V
R
R
OH
OL
CC
> V
> V
CC
CC
= 4.0 mA
MAX
= –4.0 mA
[6]
– 0.2V,
IH
IH
3
– 0.2V,
,
,
[6]
Output Current into Outputs (LOW)............................. 20 mA
Static Discharge Voltage .......................................... >2001V
(per MIL–STD–883, Method 3015)
Latch–Up Current ................................................... >200 mA
Operating Range
Commercial
Industrial
O
Range
< V
Com’l
Ind
Com’l
Ind
Com’l
Ind
Com’l
Ind
Com’l
Ind
CC
Min.
–10
–10
2.4
2.2
7C138-15
7C139-15
–40 C to +85 C
Temperature
0 C to +70 C
Ambient
Max.
+10
+10
220
130
125
0.4
0.8
60
15
Min.
–10
–10
2.4
2.2
7C138-25
7C139-25
CY7C138
CY7C139
Max.
+10
+10
180
190
120
100
110
115
5V ± 10%
5V ± 10%
0.4
0.8
40
50
15
30
V
CC
Unit
mA
mA
mA
mA
mA
V
V
V
V
A
A