CY7C274-45WMB Cypress Semiconductor Corp, CY7C274-45WMB Datasheet - Page 7

• Manufacturer Part Number: CY7C274-45WMB
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C274-45WMB

• Density: 256Kb
• Organization: 32Kx8
• Interface Type: Parallel
• In System Programmable: In System/External
• Access Time (max): 45ns
• Package Type: Windowed CDIP
• Reprogramming Technique: UV
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 130mA
• Pin Count: 28
• Mounting: Through Hole
• Operating Temp Range: -55C to 125C
• Operating Temperature Classification: Military
• Lead Free Status / RoHS Status: Not Compliant

Document #: 38-04008 Rev. *C
Typical DC and AC Characteristics
−55
1.6
1.4
1.2
1.0
0.8
0.6
1.6
1.4
1.2
1.0
0.8
0.6
4.0
NORMALIZED SUPPLY CURRENT
vs. SUPPLY VOLTAGE
NORMALIZED ACCESS TIME
vs. TEMPERATURE
AMBIENT TEMPERATURE (°C)
SUPPLYVOLTAGE (V)
4.5
25
5.0
T
f = f
175
150
125
100
A
75
50
25
0
=25°C
0.0
MAX
OUTPUT SINK CURRENT
vs. OUTPUT VOLTAGE
5.5
OUTPUT VOLTAGE (V)
1.0
125
6.0
2.0
1.2
1.1
1.0
0.9
0.8
60
50
40
30
20
10
−55
0
V
T
A
0
CC
OUTPUT SOURCE CURRENT
vs. VOLTAGE
NORMALIZED SUPPLY CURRENT
vs. AMBIENTTEMPERATURE
=25°C
=5.0V
3.0
AMBIENT TEMPERATURE (°C)
OUTPUT VOLTAGE (V)
1.0
4.0
25
2.0
1.1
1.0
0.9
0.8
0.7
0.6
3.0
0
NORMALIZED SUPPLY CURRENT
vs. CYCLE PERIOD
4.0
125
50
CYCLE PERIOD (ns)
100
1.2
1.0
0.8
0.6
0.4
40
30
20
10
4.0
0
0
NORMALIZED ACCESS TIME
vs. SUPPLY VOLTAGE
TYPICAL ACCESS TIME CHANGE
vs. OUTPUT LOADING
150
200
4.5
200
SUPPLYVOLTAGE (V)
CAPACITANCE (pF)
400
250
5.0
V
T
600
T
A
CC
A
=25°C
CY7C271
CY7C274
=25°C
=4.5V
5.5
800
Page 7 of 13
C271-14
1000
6.0
[+] Feedback