Cypress CY7C138 User Manual
Page 15
CY7C138, CY7C139
Document #: 38-06037 Rev. *D
Page 15 of 17
Figure 15. Typical DC and AC Characteristics
1.4
1.0
0.4
4.0
4.5
5.0
5.5
6.0
–55
25
125
1.2
1.0
120
80
0
1.0
2.0
3.0
4.0
OUT
P
UT SOURC
E
CURRENT
(mA)
SUPPLY VOLTAGE (V)
NORMALIZED SUPPLY CURRENT
vs. SUPPLY VOLTAGE
NORMALIZED SUPPLY CURRENT
vs. AMBIENT TEMPERATURE
AMBIENT TEMPERATURE (°C)
OUTPUT VOLTAGE (V)
OUTPUT SOURCE CURRENT
vs. OUTPUT VOLTAGE
0.0
0.8
0.8
0.6
0.6
NORMALIZ
ED I
CC
, I
SB
V
CC
= 5.0V
V
IN
= 5.0V
0
I
CC
1.6
1.4
1.2
1.0
0.8
–55
125
NORMALIZ
ED
t
AA
NORMALIZED ACCESS TIME
vs. AMBIENT TEMPERATURE
AMBIENT TEMPERATURE (°C)
1.4
1.3
1.2
1.0
0.9
4.0
4.5
5.0
5.5
6.0
NORMALIZ
ED t
AA
SUPPLY VOLTAGE (V)
NORMALIZED ACCESS TIME
vs. SUPPLY VOLTAGE
120
140
100
60
40
20
0.0
1.0
2.0
3.0
4.0
OUTPUT
SINK CUR
RENT (
m
A)
0
80
OUTPUT VOLTAGE (V)
OUTPUT SINK CURRENT
vs. OUTPUT VOLTAGE
V
CC
= 5.0V
0.6
0.8
1.25
1.0
0.75
10
NORMALIZ
ED
I
CC
0.50
NORMALIZED I
CC
vs. CYCLE TIME
CYCLE FREQUENCY (MHz)
1.00
0.25
0
1.0
2.0
3.0
5.0
NORMALIZ
ED t
PC
25.0
30.0
20.0
10.0
5.0
0
200
400
600
800
DEL
TA t
AA
(n
s)
0
15.0
0.0
SUPPLY VOLTAGE (V)
TYPICAL POWER-ON CURRENT
vs. SUPPLY VOLTAGE
CAPACITANCE (pF)
TYPICAL ACCESS TIME CHANGE
vs. OUTPUT LOADING
4.0
1000
0.50
28
0.2
0.6
1.2
I
SB3
NORMALIZ
ED I,
CC
I
SB
0.2
0.4
25
1.1
5.0
T
A
= 25°C
40
160
200
5.0
40
66
0.75
I
CC
I
SB3
V
CC
= 5.0V
T
A
= 25°C
T
A
= 25°C
V
CC
= 5.0V
V
CC
= 4.5V
T
A
= 25°C
T
A
= 25°C
V
CC
= 5.0V
V
IN
= 5.0V
V
IN
= 5.0V