CY7C138-25JC Cypress Semiconductor Corp, CY7C138-25JC Datasheet - Page 15

• Manufacturer Part Number: CY7C138-25JC
• Description: IC SRAM 32KBIT 25NS 68PLCC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C138-25JC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 32K (4K x 8)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 68-PLCC
• Density: 32Kb
• Access Time (max): 25ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 12b
• Package Type: PLCC
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 180mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 68
• Word Size: 8b
• Number Of Words: 4K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1445

Document #: 38-06037 Rev. *E
1.00
0.75
0.50
0.25
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.0
0.6
1.4
1.2
1.0
0.8
0.4
0.2
0.0
4.0
4.0
0
NORMALIZED ACCESS TIME
vs. SUPPLY VOLTAGE
TYPICAL POWER-ON CURRENT
vs. SUPPLY VOLTAGE
NORMALIZED SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1.0
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
4.5
4.5
2.0
I
CC
5.0
5.0
3.0
I
T
SB3
A
= 25°C
5.5
5.5
4.0
6.0
5.0
6.0
Figure 15. 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
NORMALIZED SUPPLY CURRENT
vs. AMBIENT TEMPERATURE
0
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
I
200
SB3
CAPACITANCE (pF)
400
25
I
25
CC
V
T
V
V
V
A
600
CC
CC
IN
CC
= 25°C
= 5.0V
= 4.5V
= 5.0V
= 5.0V
800
1000
125
125
140
120
100
200
160
120
1.25
0.75
0.50
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
T
V
V
A
CC
CY7C138, CY7C139
1.0
IN
OUTPUT VOLTAGE (V)
CYCLE FREQUENCY (MHz)
1.0
= 25°C
= 5.0V
OUTPUT VOLTAGE (V)
= 5.0V
V
IN
2.0
28
2.0
= 5.0V
CC
T
V
A
3.0
CC
3.0
V
= 25°C
vs. CYCLE TIME
T
A
CC
= 5.0V
40
= 25°C
= 5.0V
Page 15 of 17
4.0
4.0
5.0
5.0
66
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