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CY7C024V/025V/026V
CY7C0241V/0251V/036V
5
PRELIMINARY
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 ............... –0.5V to +4.6V
DC Voltage Applied to
Outputs in High Z State ...........................–0.5V to VCC+0.5V
DC Input Voltage[10] .................................–0.5V to VCC+0.5V
Output Current into Outputs (LOW) ............................. 20 mA
Static Discharge Voltage .......................................... >2001V
Latch-Up Current .................................................... >200 mA
Note:
10. Pulse width < 20 ns.
Pin Definitions
Left Port
Right Port
Description
CEL
CER
Chip Enable
R/WL
R/WR
Read/Write Enable
OEL
OER
Output Enable
A0L–A13L
A0R–A13R
Address (A0–A11 for 4K devices; A0–A12 for 8K devices; A0–A13 for 16K)
I/O0L–I/O17L
I/O0R–I/O17R
Data Bus Input/Output
SEML
SEMR
Semaphore Enable
UBL
UBR
Upper Byte Select (I/O8–I/O15 for x16 devices; I/O9–I/O17 for x18 devices)
LBL
LBR
Lower Byte Select (I/O0–I/O7 for x16 devices; I/O0–I/O8 for x18 devices)
INTL
INTR
Interrupt Flag
BUSYL
BUSYR
Busy Flag
M/S
Master or Slave Select
VCC
Power
GND
Ground
NC
No Connect
Operating Range
Range
Ambient
Temperature
VCC
Commercial
0
°C to +70°C
3.3V
± 300 mV
Industrial
–40
°C to +85°C
3.3V
± 300 mV
Shaded areas contain advance information.
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