CY7C130, CY7C130A
CY7C131, CY7C131A
CY7C140, CY7C141
Document #: 38-06002 Rev. *E Page 8 of 19
Switching Characteristics
Over the Operating Range
[7,12]
Parameter Description
7C130-35
7C131-35
7C140-35
7C141-35
7C130-45
7C131-45
7C140-45
7C141-45
7C130-55
7C131-55
7C140-55
7C141-55 Unit
Min Max Min Max Min Max
Read Cycle
t
RC
Read Cycle Time 35 45 55 ns
t
AA
Address to Data Valid
[13]
35 45 55 ns
t
OHA
Data Hold from Address Change 0 0 0 ns
t
ACE
CE LOW to Data Valid
[13]
35 45 55 ns
t
DOE
OE LOW to Data Valid
[13]
20 25 25 ns
t
LZOE
OE LOW to Low Z
[10, 14, 15]
333ns
t
HZOE
OE HIGH to High Z
[10, 14, 15]
20 20 25 ns
t
LZCE
CE LOW to Low Z
[10, 14, 15]
555ns
t
HZCE
CE HIGH to High Z
[10, 14, 15]
20 20 25 ns
t
PU
CE LOW to Power Up
[10]
000ns
t
PD
CE HIGH to Power Down
[10]
35 35 35 ns
Write Cycle
[16]
t
WC
Write Cycle Time 35 45 55 ns
t
SCE
CE LOW to Write End 30 35 40 ns
t
AW
Address Setup to Write End 30 35 40 ns
t
HA
Address Hold from Write End 2 2 2 ns
t
SA
Address Setup to Write Start 0 0 0 ns
t
PWE
R/W Pulse Width 25 30 30 n s
t
SD
Data Setup to Write End 15 20 20 ns
t
HD
Data Hold from Write End 0 0 0 ns
t
HZWE
R/W LOW to High Z
[15]
20 20 25 ns
t
LZWE
R/W HIGH to Low Z
[15]
000ns
Busy/Interrupt Timing
t
BLA
BUSY LOW from Address Match 20 25 30 ns
t
BHA
BUSY HIGH from Address Mismatch
[17]
20 25 30 ns
t
BLC
BUSY LOW from CE LOW 20 25 30 ns
t
BHC
BUSY HIGH from CE HIGH
[17]
20 25 30 ns
t
PS
Port Set Up for Priority 5 5 5 ns
t
WB[18]
R/W LOW after BUSY LOW 0 0 0 ns
t
WH
R/W HIGH after BUSY HIGH 30 35 35 ns
t
BDD
BUSY HIGH to Valid Data 35 45 45 ns
t
DDD
Write Data Valid to Read Data Valid Note 19 Note 19 Note 19 ns
t
WDD
Write Pulse to Data Delay Note 19 Note 19 Note 19 ns
Interrupt Timing
t
WINS
R/W to INTERRUPT Set T i m e 25 35 45 ns
t
EINS
CE to INTERRUPT Set Time 25 35 45 ns
t
INS
Address to INTERRUPT Set Time 25 35 45 ns
t
OINR
OE to INTERRUPT Reset Time
[17]
25 35 45 ns
t
EINR
CE to INTERRUPT Reset Time
[17]
25 35 45 ns
t
INR
Address to INTERRUPT Reset Time
[17]
25 35 45 ns
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