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Número de pieza
componentes Descripción
CYM1841APM-25C Ver la hoja de datos (PDF) - Cypress Semiconductor
Número de pieza
componentes Descripción
Fabricante
CYM1841APM-25C
256K x 32 Static RAM Module
Cypress Semiconductor
CYM1841APM-25C Datasheet PDF : 11 Pages
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Switching Characteristics
Over the Operating Range (continued)
[4]
Parameter
Description
READ CYCLE
t
RC
Read Cycle Time
t
AA
Address to Data Valid
t
OHA
Data Hold from Address Change
t
ACS
CS LOW to Data Valid
t
DOE
OE LOW to Data Valid
t
LZOE
OE LOW to Low Z
t
HZOE
t
LZCS
t
HZCS
OE LOW to High Z
CS LOW to Low Z
[5]
CS HIGH to High Z
[5, 6]
t
PD
CS HIGH to Power-Down
WRITE CYCLE
[7]
t
WC
t
SCS
t
AW
t
HA
t
SA
t
PWE
t
SD
t
HD
t
LZWE
t
HZWE
Write Cycle Time
CS 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
WE LOW to High Z
[6]
1841A-35
1841C-35
Min.
Max.
35
35
3
35
25
0
15
10
20
35
35
30
30
2
2
30
20
2
0
0
15
CYM1841A
CYM1841C
1841A-45
1841C-45
Min.
Max.
Unit
45
ns
45
ns
3
ns
45
ns
30
ns
0
ns
15
ns
10
ns
20
ns
45
ns
45
ns
40
ns
40
ns
2
ns
2
ns
35
ns
25
ns
2
ns
0
ns
0
15
ns
5
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