Cypress Semiconductor CY7C138 Scheda tecnica - Pagina 15
Sfoglia online o scarica il pdf Scheda tecnica per Hardware del computer Cypress Semiconductor CY7C138. Cypress Semiconductor CY7C138 18. 4k x 8/9 dual-port static ram with sem, int, busy
NORMALIZED SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1.4
1.2
I
CC
1.0
I
SB3
0.8
0.6
0.4
0.2
0.0
4.0
4.5
5.0
SUPPLY VOLTAGE (V)
NORMALIZED ACCESS TIME
vs. SUPPLY VOLTAGE
1.4
1.3
1.2
1.1
T
1.0
0.9
0.8
4.0
4.5
5.0
SUPPLY VOLTAGE (V)
TYPICAL POWER-ON CURRENT
vs. SUPPLY VOLTAGE
1.00
0.75
0.50
0.25
0.0
0
1.0
2.0
3.0
SUPPLY VOLTAGE (V)
Document #: 38-06037 Rev. *D
Figure 15. Typical DC and AC Characteristics
NORMALIZED SUPPLY CURRENT
vs. AMBIENT TEMPERATURE
1.2
1.0
I
0.8
SB3
0.6
0.4
0.2
0.6
–55
5.5
6.0
AMBIENT TEMPERATURE (°C)
NORMALIZED ACCESS TIME
vs. AMBIENT TEMPERATURE
1.6
1.4
1.2
1.0
= 25°C
A
0.8
0.6
–55
5.5
6.0
AMBIENT TEMPERATURE (°C)
TYPICAL ACCESS TIME CHANGE
vs. OUTPUT LOADING
30.0
25.0
20.0
15.0
10.0
5.0
0
4.0
5.0
0
200
CAPACITANCE (pF)
200
I
CC
160
120
V
= 5.0V
CC
80
V
= 5.0V
IN
40
25
125
140
120
100
80
60
V
= 5.0V
CC
40
20
0
0.0
25
125
1.25
1.0
0.75
V
= 4.5V
CC
T
= 25°C
A
0.50
400
600
800
1000
CY7C138, CY7C139
OUTPUT SOURCE CURRENT
vs. OUTPUT VOLTAGE
V
= 5.0V
CC
T
= 25°C
A
0
0
1.0
2.0
3.0
4.0
OUTPUT VOLTAGE (V)
OUTPUT SINK CURRENT
vs. OUTPUT VOLTAGE
V
= 5.0V
CC
T
= 25°C
A
1.0
2.0
3.0
4.0
OUTPUT VOLTAGE (V)
V
= 5.0V
IN
NORMALIZED I
vs. CYCLE TIME
CC
V
= 5.0V
CC
T
= 25°C
A
V
= 5.0V
IN
40
10
28
CYCLE FREQUENCY (MHz)
Page 15 of 17
5.0
5.0
66
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