CY7C1049CV33
AC Switching Characteristics
Over the Operating Range (continued)
[6]
-15
Parameter
t
LZOE
t
HZOE
t
LZCE
t
HZCE
t
PU
t
PD
t
WC
t
SCE
t
AW
t
HA
t
SA
t
PWE
t
SD
t
HD
t
LZWE
t
HZWE
OE LOW to Low-Z
OE HIGH to High-Z
[8, 9]
CE LOW to Low-Z
[9]
CE HIGH to High-Z
[8, 9]
CE LOW to Power-up
CE HIGH to Power-down
Write Cycle Time
CE LOW to Write End
Address Set-up to Write End
Address Hold from Write End
Address Set-up to Write Start
WE Pulse Width
Data Set-up to Write End
Data Hold from Write End
WE HIGH to Low-Z
[9]
WE LOW to High-Z
[8, 9]
15
10
10
0
0
10
7
0
3
7
0
15
20
10
10
0
0
10
8
0
3
8
3
7
0
20
Description
Min.
0
7
3
8
Max.
Min.
0
8
-20
Max.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Write Cycle
[10, 11]
Switching Waveforms
Read Cycle No. 1
[12, 13]
t
RC
ADDRESS
t
AA
t
OHA
DATA OUT
PREVIOUS DATA VALID
DATA VALID
Notes:
12. Device is continuously selected. OE, CE = V
IL
.
13. WE is HIGH for Read cycle.
Document #: 38-05006 Rev. *E
Page 6 of 11
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