CY7C128A-35PC Datasheet Download

Part No.:
CY7C128A-35PC
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Description:
[2K x 8 Static RAM]
File Size:
205 K
Page:
11 Pages
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Manufacturer:
CYPRESS [ CYPRESS SEMICONDUCTOR ]
PCB Prototype
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CY7C128A
Switching Waveforms
(continued)
Write Cycle No. 2 (CE Controlled)
[9, 13, 14]
t
WC
ADDRESS
t
SA
CE
t
AW
t
PWE
WE
t
SD
DATA IN
DATA
IN
VALID
t
HZWE
DATA I/O
HIGH IMPEDANCE
DATA UNDEFINED
C128A–9
t
SCE
t
HA
t
HD
Notes:
14. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
Typical DC and AC Characteristics
OUTPUT SOURCE CURRENT (mA)
NORMALIZED SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1.4
NORMALIZED I
CC
, I
SB
1.2
1.0
0.8
0.6
0.4
0.2
0.0
4.0
4.5
5.0
I
SB
5.5
6.0
I
CC
NORMALIZED I
CC
, I
SB
1.2
1.0
0.8
0.6
0.4
0.2
0.0
–55
I
SB
25
125
V
CC
= 5.0V
V
IN
= 5.0V
I
CC
NORMALIZED SUPPLY CURRENT
vs. AMBIENT TEMPERATURE
OUTPUT SOURCE CURRENT
vs. OUTPUT VOLTAGE
120
100
80
60
40
20
0
0.0
1.0
2.0
3.0
4.0
V
CC
=5.0V
T
A
= 2 5
°
C)
SUPPLY VOLTAGE(V)
NORMALIZED ACCESS TIME
vs. SUPPLY VOLTAGE
1.4
NORMALIZED t
AA
NORMALIZED t
AA
1.3
1.2
1.1
1.0
0.9
0.8
4.0
4.5
5.0
5.5
6.0
T
A
= 25
°
C
1.6
1.4
1.2
1.0
AMBIENT TEMPERATURE(
°
C)
NORMALIZED ACCESS TIME
vs. AMBIENT TEMPERATURE
OUTPUT VOLTAGE(V)
OUTPUT SINK CURRENT
vs. OUTPUT VOLTAGE
140
120
100
80
60
40
20
0
0.0
1.0
2.0
3.0
4.0
V
CC
=5.0V
T
A
= 25
°
C
V
CC
= 5.0V
0.8
0.6
–55
25
125
SUPPLY VOLTAGE(V)
AMBIENT TEMPERATURE(
°
C)
OUTPUT SINK CURRENT (mA)
OUTPUT VOLTAGE(V)
Document #: 38-05028 Rev. **
Page 5 of 10