CY7C144-55JXC Cypress Semiconductor Corp, CY7C144-55JXC Datasheet - Page 17

• Manufacturer Part Number: CY7C144-55JXC
• Description: IC SRAM 64KBIT 55NS 68PLCC
• Manufacturer: Cypress Semiconductor Corp
• Type: Asynchronousr

Specifications of CY7C144-55JXC

• Memory Size: 64K (8K x 8)
• Package / Case: 68-PLCC
• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Speed: 55ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Access Time: 55 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Current: 160 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Number Of Ports: 2
• Operating Supply Voltage: 5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 428-2155; CY7C144-55JXC

Document #: 38-06034 Rev. *H
1.00
0.75
0.50
0.25
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.6
0.0
1.4
1.2
1.0
0.8
0.4
0.2
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
= 5.0 V
= 5.0 V
= 4.5 V
= 5.0 V
800
1000
125
125
140
120
100
200
160
120
1.25
0.75
0.50
80
60
40
20
80
40
1.0
0
0.0
0
Output Sink Current
Vs. Output Voltage
10
0
Output Source Current
Vs. Output Voltage
Normalized I
V
T
V
CC
A
1.0
IN
Output Voltage (V)
Cycle Frequency (MHz)
1.0
CY7C144 CY7C145
= 25 °C
Output Voltage (V)
= 5.0 V
= 5.0 V
2.0
28
2.0
CC
V
vs. Cycle Time
T
A
CC
3.0
3.0
= 25 °C
V
T
= 5.0 V
CC
A
40
= 25 °C
= 5.0 V
4.0
Page 17 of 23
4.0
5.0
5.0
66
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