CY7C187-25VC Cypress Semiconductor Corp, CY7C187-25VC Datasheet - Page 5

• Manufacturer Part Number: CY7C187-25VC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C187-25VC

• Density: 64Kb
• Access Time (max): 25ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 16b
• Package Type: SOJ
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 70mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 24
• Word Size: 1b
• Number Of Words: 64K
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-05044 Rev. *A
Switching Waveforms
Typical DC and AC Characteristics
Write Cycle No. 2(CE Controlled)
Note:
12. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
DATA OUT
ADDRESS
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
DATA IN
4.0
4.0
NORMALIZED SUPPLY CURRENT
vs. SUPPLY VOLTAGE
NORMALIZED ACCESS TIME
vs. SUPPLY VOLTAGE
CE
WE
SUPPLY VOLTAGE(V)
SUPPLY VOLTAGE (V)
4.5
4.5
I
CC
5.0
5.0
T
I
SB
A
=25°C
5.5
5.5
t
SA
6.0
[11,13]
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
t
AW
t
WC
25
25
V
t
V
V
SD
CC
DATA VALID
t
CC
IN
t
SCE
PWE
=5.0V
=5.0V
=5.0V
I
CC
125
125
HIGH IMPEDANCE
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
t
HD
OUTPUT VOLTAGE (V)
t
1.0
1.0
HA
OUTPUT VOLTAGE (V)
2.0
2.0
V
T
V
T
A
CC
A
CC
CY7C187
=25°C
=25°C
3.0
=5.0V
3.0
=5.0V
Page 5 of 9
C187–9
4.0
4.0
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