CY7C131-35JC Cypress Semiconductor Corp, CY7C131-35JC Datasheet - Page 6

• Manufacturer Part Number: CY7C131-35JC
• Description: IC SRAM 8KBIT 35NS 52PLCC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C131-35JC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 8K (1K x 8)
• Speed: 35ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 52-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1195

Switching Characteristics
Switching Waveforms
Notes:
19. R/W is HIGH for read cycle.
20. Device is continuously selected, CE = V
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
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
Read Cycle No.1
DATA OUT
ADDRESS
[17]
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
[15]
PREVIOUS DATA VALID
[19, 20]
t
OHA
Description
Over the Operating Range
[14]
[14]
IL
and OE = V
[16]
IL
.
[16]
[16]
[16]
Either Port Address Access
[16]
t
AA
[6,11]
t
RC
6
(continued)
Min.
35
30
30
25
15
30
2
0
0
0
5
0
7C130-35
7C131-35
7C140-35
7C141-35
Max.
Note
Note
20
20
20
20
20
35
18
18
25
25
25
25
25
25
Min.
45
35
35
30
20
35
7C130-45
7C131-45
7C140-45
7C141-45
2
0
0
0
5
0
DATA VALID
CY7C130/CY7C131
CY7C140/CY7C141
Max.
Note
Note
20
25
25
25
25
45
18
18
35
35
35
35
35
35
Min.
55
40
40
30
20
35
7C130-55
7C131-55
7C140-55
7C141-55
2
0
0
0
5
0
Max.
Note
Note
25
30
30
30
30
45
18
18
45
45
45
45
45
45
C130-7
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