CY7C144-55JC Cypress Semiconductor Corp, CY7C144-55JC Datasheet - Page 6

• Manufacturer Part Number: CY7C144-55JC
• Description: IC SRAM 64KB DUAL 68-PLCC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C144-55JC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 64K (8K x 8)
• Speed: 55ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 68-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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
DC Input Voltage
Electrical Characteristics
Over the Operating Range
Document #: 38-06034 Rev. *F
V
V
V
V
I
I
I
I
I
I
I
Notes
IX
OZ
CC
SB1
SB2
SB3
SB4
Parameter
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
OH
OL
IH
IL
MAX
= 1/t
RC
= All inputs cycling at f = 1/t
Output HIGH Voltage
Output LOW Voltage
Input HIGH 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)
[6]
0.5V to +7.0V
Description
RC
(except output enable). f = 0 means no address or control lines change. This applies only to inputs at CMOS level standby I
V
V
GND < V
Outputs Disabled, GND < V
V
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
CC
CC
CC
IN
IN
IN
[5]
L
L
L
MAX
MAX
> V
> V
< 0.2V, Active
IN
= Min., I
= Min., I
= Max., I
and CE
or CE
or CE
< 0.2V, f = 0
CC
CC
[7]
[7]
I
< V
R
R
– 0.2V
– 0.2V or
R
R
> V
> V
OH
OL
Test Conditions
> V
OUT
CC
> V
= 4.0 mA
IH
CC
= 4.0 mA
CC
IH
,
MAX
= 0 mA
[7]
– 0.2V,
,
– 0.2V,
[7]
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
< V
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Range
CC
Min
10
10
2.4
2.2
7C144-15
7C145-15
40
Temperature
0

Ambient
C to +70

C to +85
CY7C144, CY7C145
Max
+10
+10
220
130
125
0.4
0.8
60
15

C

C
Min
10
10
2.4
2.2
7C144-25
7C145-25
Max
+10
+10
180
190
120
100
110
115
0.4
0.8
40
50
15
30
5V  10%
5V  10%
Page 6 of 20
V
CC
Unit
mA
mA
mA
mA
mA
A
A
V
V
V
V
SB3
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