Cypress CY7C138 Computer Hardware User Manual


 
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
OUTPUT SOURCE 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
NORMALIZED 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
NORMALIZED 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
NORMALIZED 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 CURRENT (mA)
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
NORMALIZED 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
NORMALIZED t
PC
25.0
30.0
20.0
10.0
5.0
0 200 400 600 800
DELTA t
AA
(ns)
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
NORMALIZED 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
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