CY7C144-55JC Cypress Semiconductor Corp, CY7C144-55JC Datasheet - Page 16

• 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

Document #: 38-06034 Rev. *F
1.00
0.75
0.50
0.25
1.4
1.3
1.2
1.1
1.0
0.9
0.8
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.0
4.0
4.0
NORMALIZED ACCESS TIME
vs. SUPPLY VOLTAGE
TYPICAL POWER-ON CURRENT
vs. SUPPLY VOLTAGE
0
NORMALIZED SUPPLY CURRENT
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
1.0
4.5
4.5
2.0
I
CC
5.0
5.0
3.0
I
SB3
T
A
= 25°C
5.5
5.5
4.0
6.0
5.0
6.0
Figure 17. Typical DC and AC Characteristics
30.0
25.0
20.0
15.0
10.0
1.6
1.4
1.2
1.0
0.8
0.6
1.2
1.0
0.8
0.6
0.4
0.2
0.6
5.0
55
55
0
NORMALIZED ACCESS TIME
vs. AMBIENT TEMPERATURE
TYPICAL ACCESS TIME CHANGE
vs. OUTPUT LOADING
0
NORMALIZED SUPPLY CURRENT
vs. AMBIENT TEMPERATURE
AMBIENT TEMPERATURE (°C)
I
AMBIENT TEMPERATURE (°C)
SB3
200
CAPACITANCE (pF)
400
25
25
I
CC
V
T
V
V
V
CC
A
600
CC
CC
IN
= 25°C
= 5.0V
= 5.0V
= 4.5V
= 5.0V
800
1000
125
125
140
120
100
1.25
0.75
0.50
200
160
120
80
60
40
20
1.0
80
40
0
0.0
0
OUTPUT SINK CURRENT
vs. OUTPUT VOLTAGE
10
0
OUTPUT SOURCE CURRENT
vs. OUTPUT VOLTAGE
NORMALIZED I
V
T
V
CY7C144, CY7C145
CC
A
1.0
OUTPUT VOLTAGE (V)
IN
CYCLE FREQUENCY (MHz)
1.0
= 25°C
OUTPUT VOLTAGE (V)
= 5.0V
= 5.0V
2.0
28
2.0
V
T
CC
CC
A
3.0
3.0
= 25°C
V
T
vs. CYCLE TIME
= 5.0V
A
CC
40
= 25°C
= 5.0V
4.0
Page 16 of 20
4.0
5.0
5.0
66
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