CY7C028-12AC Cypress Semiconductor Corp, CY7C028-12AC Datasheet - Page 4

• Manufacturer Part Number: CY7C028-12AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C028-12AC

• Density: 1Mb
• Access Time (max): 12ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 16b
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 325mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 100
• Word Size: 16b
• Number Of Words: 64K
• Lead Free Status / Rohs Status: Not Compliant

Pin Definitions
Document #: 38-06042 Rev. *D
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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