CY7C128A-25LMB 查看數據表（PDF） - Cypress Semiconductor
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CY7C128A-25LMB Datasheet PDF : 9 Pages
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CY7C128A
Switching Waveforms (continued)
Write Cycle No. 2 (CE Controlled)[9,13,14]
ADDRESS
CE
WE
tWC
tSA
tSCE
tAW
tHA
tPWE
DATA IN
tSD
tHD
DATA IN VALID
DATA I/O
DATA UNDEFINED
tHZWE
HIGH IMPEDANCE
Notes:
14. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
Typical DC and AC Characteristics
NORMALIZED SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1.4
1.2
1.0
ICC
0.8
0.6
0.4
0.2
ISB
0.0
4.0
4.5
5.0
5.5 6.0
SUPPLY VOLTAGE(V)
NORMALIZED SUPPLY CURRENT
vs. AMBIENT TEMPERATURE
1.2
1.0
ICC
0.8
0.6
0.4
0.2
0.0
–55
VCC =5.0V
VIN =5.0V
ISB
25
125
AMBIENT TEMPERATURE(°C)
NORMALIZED ACCESS TIME
vs. SUPPLY VOLTAGE
1.4
NORMALIZED ACCESS TIME
vs. AMBIENT TEMPERATURE
1.6
1.3
1.2
1.1
TA =25°C
1.0
0.9
0.8
4.0
4.5
5.0
5.5 6.0
SUPPLY VOLTAGE(V)
1.4
1.2
1.0
VCC =5.0V
0.8
0.6
–55
25
125
AMBIENT TEMPERATURE(°C)
C128A–9
OUTPUT SOURCE CURRENT
vs. OUTPUT VOLTAGE
120
100
80
60
VCC =5.0V
TA =25°C)
40
20
0
0.0
1.0
2.0
3.0 4.0
OUTPUT VOLTAGE(V)
OUTPUT SINK CURRENT
vs. OUTPUT VOLTAGE
140
120
100
VCC =5.0V
80
TA =25°C
60
40
20
0
0.0
1.0
2.0
3.0 4.0
OUTPUT VOLTAGE(V)
5
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