CY7C027-20AXCT Cypress Semiconductor Corp, CY7C027-20AXCT Datasheet - Page 4

• Manufacturer Part Number: CY7C027-20AXCT
• Description: CY7C027-20AXCT
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C027-20AXCT

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 512K (32K x 16)
• Speed: 20ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pin Definitions
Document #: 38-06042 Rev. *F
CE
R/W
OE
A
I/O
SEM
UB
LB
INT
BUSY
M/S
V
GND
NC
0L
CC
L
0L
0L
L
L
–A
L
L
L
–I/O
, CE
L
15L
Left Port
17L
1L
CE
R/W
OE
A
I/O
SEM
UB
LB
INT
BUSY
0R
R
0R
0R
R
R
R
–A
R
R
–I/O
, CE
R
15R
Right Port
17R
1R
Chip Enable (CE is LOW when CE
Read/Write Enable
Output Enable
Address (A
Data Bus Input/Output (I/O
Semaphore Enable
Upper Byte Select (I/O
Lower Byte Select (I/O
Interrupt Flag
Busy Flag
Master or Slave Select
Power
Ground
No Connect
0
–A
14
for 32K; A
8
0
–I/O
–I/O
0
0
–I/O
15
7
–A
for x16 devices; I/O
for x16 devices; I/O
Description
15
15
for 64K devices)
0
for x16 devices; I/O
 V
IL
and CE
0
1
9
–I/O
–I/O
V
0
IH
8
–I/O
17
for x18 devices)
CY7C027/028
CY7C037/038
)
for x18 devices)
17
for x18)
Page 4 of 19
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