M28F420 Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
M28F420 Datasheet PDF : 38 Pages
| |||
M28F410, M28F420
Table 15. BYTE AC Characteristics (1)
(TA = 0 to 70°C or –40 to 85°C; VPP = 12V ± 5%)
Symbol
Parameter
M28F410 / 20
-70
VCC = 5V ± 5%
-80
VCC = 5V ± 10%
-100
VCC = 5V ± 10%
-120
VCC = 5V ± 10%
Unit
SRAM
Interface
EPROM
Interface
EPROM
Interface
EPROM
Interface
Min Max Min Max Min Max Min Max
tELBL
Chip Enable Low
to BYTE Low
5
5
5
5
ns
tELBH
Chip Enable Low
to BYTE High
5
5
tBLQV (2)
BYTE Low to
Output Valid
70
80
tBHQV
BYTE High to
Output Valid
70
80
tBLQZ
BYTE Low to
Output Hi-Z
25
30
Notes: 1. Sampled only, not 100% tested.
2. It is equal to tAVQV when measured from DQ15A-1 valid.
5
5
ns
100
120
ns
100
120
ns
35
35
ns
Table 16. BYTE AC Characteristics (1)
(TA = –40 to 125°C; VPP = 12V ± 5%)
M28F410 / 20
Symbol
Parameter
tELBL
tELBH
Chip Enable Low
to BYTE Low
Chip Enable Low
to BYTE High
-80
VCC = 5V ± 5%
-90
VCC = 5V ± 10%
-100
VCC = 5V ± 10%
-120
VCC = 5V ± 10%
Unit
SRAM
Interface
EPROM
Interface
EPROM
Interface
EPROM
Interface
Min Max Min Max Min Max Min Max
5
5
5
5
ns
5
5
5
5
ns
tBLQV (2)
BYTE Low to
Output Valid
80
90
tBHQV
BYTE High to
Output Valid
80
90
tBLQZ
BYTE Low to
Output Hi-Z
30
35
Notes: 1. Sampled only, not 100% tested.
2. It is equal to tAVQV when measured from DQ15A-1 valid.
100
120
ns
100
120
ns
40
45
ns
13/38
Share Link: 