CY7C187-25PC Datasheet Download

Part No.:
CY7C187-25PC
Download:
Download Datasheet
Description:
[64K x 1 Static RAM]
File Size:
145 K
Page:
9 Pages
Logo:
Manufacturer:
CYPRESS [ CYPRESS SEMICONDUCTOR ]
PCB Prototype
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CY7C187
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
=25
°
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)
TYPICAL POWER-ON CURRENT
vs. SUPPLY VOLTAGE
NORMALIZED t
AA
(ns)
3.0
PO
TYPICAL ACCESS TIME CHANGE
vs. OUTPUT LOADING
30.0
NORMALIZED I
CC
25.0
20.0
15.0
10.0
5.0
V
CC
=4.5V
T
A
=25
°
C
1.25
NORMALIZED I
CC
vs.CYCLE TIME
V
CC
=5.0V
T
A
=25
°
C
V
CC
=0.5V
1.00
2.5
2.0
1.5
1.0
0.5
0.0
0.0
1.0
2.0
3.0
4.0
5.0
NORMALIZED I
0.75
0.0
0
200
400
600
800 1000
0.50
10
20
30
40
SUPPLY VOLTAGE(V)
CAPACITANCE (pF)
CYCLE FREQUENCY (MHz)
Document #: 38-05044 Rev. **
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