CY7C025-25JC Cypress Semiconductor Corp, CY7C025-25JC Datasheet - Page 2

• Manufacturer Part Number: CY7C025-25JC
• Description: IC SRAM 128KBIT 25NS 84PLCC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C025-25JC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 128K (8K x 16)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 84-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1158

Document #: 38-06035 Rev. **
Logic Block Diagram
v
Notes:
1.
2.
3.
BUSY is an output in master mode and an input in slave mode.
I/O
I/O
0
9
–I/O
–I/O
8
17
on the CY7C0241/0251.
(CY7C025/0251)
on the CY7C0241/0251.
I/O
I/O
CE
R/W
UB
8L
0L
OE
LB
L
– I/O
– I/O
L
BUSY
L
L
L
15L
7L
L
A
[2]
A
[3]
12L
A
[1]
11L
0L
R/W
SEM
INT
L
L
L
ADDRESS
DECODER
CE
OE
UB
LB
CONTROL
L
L
L
L
I/O
ARBITRATION
SEMAPHORE
INTERRUPT
MEMORY
ARRAY
M/S
CONTROL
I/O
CE
OE
UB
LB
ADDRESS
DECODER
R
R
R
R
INT
SEM
R/W
R
R
CY7C024/0241
CY7C025/0251
R
A
A
A
I/O
I/O
BUSY
12R
11R
0R
8R
0R
R/W
OE
–
(CY7C025/0251)
UB
LB
–
R
I/O
I/O
[1]
CE
R
R
R
R
15R
7R
R
Page 2 of 20
[3]
[2]
7C024–1