CY7C142-55PC Cypress Semiconductor Corp, CY7C142-55PC Datasheet - Page 11

• Manufacturer Part Number: CY7C142-55PC
• Description: IC SRAM 16KBIT 55NS 48DIP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C142-55PC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 16K (2K x 8)
• Speed: 55ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 48-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1201

Document #: 38-06031 Rev. *A
Interrupt Timing Diagrams
Right Side Clears INT
Typical DC and AC Characteristics
ADDRESS
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.6
1.4
1.2
1.0
0.8
0.4
0.2
0.0
1.4
1.3
1.2
1.1
1.0
0.9
0.8
4.0
4.0
0
TYPICAL POWER-ON CURRENT
vs. SUPPLY VOLTAGE
NORMALIZED ACCESS TIME
vs. SUPPLY VOLTAGE
R/W
NORMALIZED SUPPLY CURRENT
vs. SUPPLY VOLTAGE
INT
OE
CE
1.0
L
L
L
L
L
SUPPLYVOLTAGE(V)
SUPPLYVOLTAGE(V)
SUPPLYVOLTAGE(V)
4.5
4.5
2.0
L
:
I
CC
5.0
5.0
3.0
I
SB3
T
A
=25°C
5.5
5.5
4.0
[18]
5.0
(continued)
6.0
6.0
30.0
25.0
20.0
15.0
10.0
5.0
t
1.2
1.0
0.8
0.6
0.4
0.2
0.6
1.6
1.4
1.2
1.0
0.8
0.6
EINR
-55
-55
0
TYPICAL ACCESS TIME CHANGE
vs. OUTPUT LOADING
0
NORMALIZED ACCESS TIME
vs. AMBIENT TEMPERATURE
NORMALIZED SUPPLY CURRENT
vs. AMBIENT TEMPERATURE
AMBIENTTEMPERATURE(°C)
AMBIENTTEMPERATURE(°C)
200
CAPACITANCE (pF)
400
25
25
t
V
T
HA
A
600
CC
V
V
I
V
CC
I
CC
IN
=25°C
SB3
CC
=4.5V
=5.0V
=5.0V
=5.0V
800
1000
125
125
t
INR
t
OINR
READ 7FE
t
RC
1.25
0.75
0.50
140
120
100
120
100
1.0
80
60
40
20
80
60
40
20
0
0
0.0
10
OUTPUT SINK CURRENT
vs. OUTPUT VOLTAGE
0
OUTPUT SOURCE CURRENT
vs. OUTPUT VOLTAGE
NORMALIZED I
V
T
V
CC
A
IN
CYCLE FREQUENCY (MHz)
OUTPUTVOLTAGE(V)
=25°C
=0.5V
1.0
1.0
=5.0V
OUTPUTVOLTAGE(V)
CY7C132/CY7C136
CY7C142/CY7C146
20
2.0
2.0
CC
V
T
CC
A
vs. CYCLE TIME
=25°C
V
T
CC
A
30
=5.0V
=25°C
3.0
3.0
=5.0V
Page 11 of 17
4.0
4.0
40