CY7C142-55PC Cypress Semiconductor Corp, CY7C142-55PC Datasheet - Page 6

• 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
Switching Characteristics
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
LZCE
HZCE
PU
PD
WC
SCE
AW
HA
SA
PWE
SD
HD
HZWE
LZWE
BLA
BHA
BLC
BHC
PS
WB
WH
BDD
DDD
WDD
WINS
EINS
INS
OINR
EINR
INR
Write Cycle
Busy/Interrupt Timing
Interrupt Timing
Parameter
[14]
CE LOW to Low Z
CE HIGH to High Z
CE LOW to Power-Up
CE HIGH to Power-Down
Write Cycle Time
CE LOW to Write End
Address Set-up to Write End
Address Hold from Write End
Address Set-up to Write Start
R/W Pulse Width
Data Set-up to Write End
Data Hold from Write End
R/W LOW to High Z
R/W HIGH to Low Z
BUSY LOW from Address Match
BUSY HIGH from Address Mismatch
BUSY LOW from CE LOW
BUSY HIGH from CE HIGH
Port Set Up for Priority
R/W LOW after BUSY LOW
R/W HIGH after BUSY HIGH
BUSY HIGH to Valid Data
Write Data Valid to Read Data Valid
Write Pulse to Data Delay
R/W to INTERRUPT Set Time
CE to INTERRUPT Set Time
Address to INTERRUPT Set Time
OE to INTERRUPT Reset Time
CE to INTERRUPT Reset Time
Address to INTERRUPT Reset Time
[18]
Description
Over the Operating Range (Speeds -35, -45, -55) (continued)
[9, 12]
[9]
[9]
[9, 12, 13]
[9]
[9]
[16]
[15]
[15]
[15]
[15]
[15]
Min.
35
30
30
25
15
30
5
0
2
0
0
0
5
0
7C132-35
7C136-35
7C142-35
7C146-35
Note 17
Note 17
Max.
20
35
20
20
20
20
20
35
25
25
25
25
25
25
Min.
45
35
35
30
20
35
5
0
2
0
0
0
5
0
7C132-45
7C136-45
7C142-45
7C146-45
Note 17
Note 17
Max.
20
35
20
25
25
25
25
45
35
35
35
35
35
35
CY7C132/CY7C136
CY7C142/CY7C146
[5, 10]
Min.
55
40
40
30
20
35
5
0
2
0
0
0
5
0
7C132-55
7C136-55
7C142-55
7C146-55
Note 17
Note 17
Max.
25
35
25
30
30
30
30
45
45
45
45
45
45
45
Page 6 of 17
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns