CY7C149-45PC Cypress Semiconductor Corp, CY7C149-45PC Datasheet - Page 7

• Manufacturer Part Number: CY7C149-45PC
• Description: 1KX4 18-PIN SRAM
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C149-45PC

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 4K (1K x 4)
• Speed: 45ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 18-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical DC and AC Characteristics
Document #: 38-05059 Rev. *B
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.4
1.3
1.2
1.1
1.0
0.9
0.8
4.0
4.0
NORMALIZED ACCESS TIME
vs.SUPPLY VOLTAGE
NORMALIZED SUPPLY CURRENT
vs.SUPPLY VOLTAGE
SUPPLY VOLTAGE(V)
SUPPLY VOLTAGE(V)
4.5
4.5
I
SB
I
CC
5.0
5.0
V
T
A
IN
=25°C
T
=5.0V
A
=25°C
5.5
5.5
6.0
6.0
1.6
1.4
1.2
1.0
0.8
0.6
1.2
1.0
0.8
0.6
0.4
0.2
0.0


55
55
NORMALIZED SUPPLY CURRENT
vs.AMBIENT TEMPERATURE
NORMALIZED ACCESS TIME
vs.AMBIENT TEMPERATURE
AMBIENT TEMPERATURE(°C)
AMBIENT TEMPERATURE(°C)
I
SB
25
25
I
CC
V
V
V
CC
CC
IN
=5.0V
=5.0V
=5.0V
125
125
140
120
100
120
100
80
60
40
20
80
60
40
20
0
0
0.0
0.0
OUTPUT SINK CURRENT
vs.OUTPUT VOLTAGE
OUTPUT SOURCE CURRENT
vs.OUTPUT VOLTAGE
OUTPUT VOLTAGE(V)
1.0
OUTPUT VOLTAGE(V)
1.0
2.0
2.0
V
T
V
T
A
CC
A
CC
=25°C
=25°C
3.0
=5.0V
3.0
=5.0V
CY7C148
Page 7 of 10
4.0
4.0
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