CY7C187 データシートの表示（PDF） - Cypress Semiconductor
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CY7C187 Datasheet PDF : 9 Pages
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Switching Waveforms
Write Cycle No. 2(CE Controlled)[11,13]
ADDRESS
tSA
CE
WE
DATA IN
tWC
tSCE
tAW
tPWE
tSD
DATA VALID
CY7C187
tHA
tHD
DATA OUT
HIGH IMPEDANCE
C187–9
Typical DC and AC Characteristics
NORMALIZED SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1.4
1.2
1.0
I CC
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 ACCESS TIME
vs. SUPPLY VOLTAGE
1.4
NORMALIZED SUPPLY CURRENT
vs. AMBIENT TEMPERATURE
1.2
1.0
I CC
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. AMBIENT TEMPERATURE
1.6
1.3
1.4
1.2
1.2
1.1
TA =25°C
1.0
1.0
VCC =5.0V
0.8
0.9
0.8
4.0
4.5 5.0 5.5 6.0
SUPPLY VOLTAGE (V)
0.6
–55
25
125
AMBIENT TEMPERATURE (°C)
Note:
12. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
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)
Document #: 38-05044 Rev. *A
Page 5 of 9
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