CY7C008/009
CY7C018/019
Pin Definitions
Left Port
CE
0L
, CE
1L
R/W
L
OE
L
A
0L
–A
16L
I/O
0L
–I/O
8L
SEM
L
INT
L
BUSY
L
M/S
V
CC
GND
NC
Right Port
CE
0R
, CE
1R
R/W
R
OE
R
A
0R
–A
16R
I/O
0R
–I/O
8R
SEM
R
INT
R
BUSY
R
Description
Chip Enable (CE is LOW when CE
0
£ V
IL
and CE
1
Š V
IH
)
Read/Write Enable
Output Enable
Address (A
0
–A
15
for 64K devices and A
0
–A
16
for 128K devices)
Data Bus Input/Output (I/O
0
–I/O
7
for x8 devices and I/O
0
–I/O
8
for x9)
Semaphore Enable
Interrupt Flag
Busy Flag
Master or Slave Select
Power
Ground
No Connect
Output Current into Outputs (LOW)............................. 20 mA
Static Discharge Voltage........................................... >1100V
Latch-Up Current.................................................... >200 mA
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature .................................–65
°
C to +150
°
C
Ambient Temperature with
Power Applied.............................................–55
°
C to +125
°
C
Supply Voltage to Ground Potential ............... –0.3V to +7.0V
DC Voltage Applied to Outputs
in High Z State ............................................... –0.5V to +7.0V
DC Input Voltage
......................................... –0.5V to +7.0V
Operating Range
Range
Commercial
Industrial
Ambient
Temperature
0
°
C to +70
°
C
–40
°
C to +85
°
C
V
CC
5V
±
10%
5V
±
10%
Notes:
7. The Voltage on any input or I/O pin cannot exceed the power pin during power-up.
8. Pulse width < 20 ns.
9. Industrial parts are available in CY7C009 and CY7C019 only.
Document #: 38-06041 Rev. *C
Page 4 of 19
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