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CY7C1399B
Document #: 38-05071 Rev. *A Page 5 of 10
Switching Characteristics Over the Operating Range
[5]
(Continued)
1399B–15 1399B–20
Parameter Description Min. Max. Min. Max. Unit
READ CYCLE
t
RC
Read Cycle Time 15 20 ns
t
AA
Address to Data Valid 15 20 ns
t
OHA
Data Hold from Address Change 3 3 ns
t
ACE
CE LOW to Data Valid 15 20 ns
t
DOE
OE LOW to Data Valid 6 7 ns
t
LZOE
OE LOW to Low Z
[6]
0 0 ns
t
HZOE
OE HIGH to High Z
[6, 7]
6 6 ns
t
LZCE
CE LOW to Low Z
[6]
3 3 ns
t
HZCE
CE HIGH to High Z
[6, 7]
7 7 ns
t
PU
CE LOW to Power-Up 0 0 ns
t
PD
CE HIGH to Power-Down 15 20 ns
WRITE CYCLE
[8, 9]
t
WC
Write Cycle Time 15 20 ns
t
SCE
CE LOW to Write End 10 12 ns
t
AW
Address Set-Up to Write End 10 12 ns
t
HA
Address Hold from Write End 0 0 ns
t
SA
Address Set-Up to Write Start 0 0 ns
t
PWE
WE Pulse Width 10 12 ns
t
SD
Data Set-Up to Write End 8 10 ns
t
HD
Data Hold from Write End 0 0 ns
t
HZWE
WE LOW to High Z
[8]
7 7 ns
t
LZWE
WE HIGH to Low Z
[6]
3 3 ns
Data Retention Characteristics (Over the Operating Range - L version only)
Parameter Description Conditions Min. Max. Unit
V
DR
V
CC
for Data Retention 2.0 V
I
CCDR
Data Retention Current Com’l V
CC
= V
DR
= 2.0V,
CE > V
CC
– 0.3V,
V
IN
> V
CC
– 0.3V or
V
IN
< 0.3V
0 20 uA
t
CDR
Chip Deselect to Data
Retention Time
0 ns
t
R
Operation Recovery Time t
RC
ns