MK5027(2003) 查看數據表（PDF） - STMicroelectronics
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MK5027 Datasheet PDF : 19 Pages
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MK5027
AC TIMING SPECIFICATIONS (Continued)
TA = 0 °C to 70 °C, VCC = +5V ±5 percent, unless otherwise specified.
No Signal
42 DAS
43 DAS
44 DAS
45 DALI
46 DALI
47 DALI
48 DALI
49 DALO
50 DALO
51 DALO
52 CS
53 CS
54 ADR
55 ADR
56 READY
57 READY
58 READY
59 READY
60 READY
61 READ
62 READY
Symbol
TADAS
TRIDF
TRDYS
TROIF
TRIS
TRIH
TRIOF
TOS
TROH
TWDSI
TCSH
TCSS
TSAH
TSAS
TARYD
TSRDS
TRDYH
TSRYH
TRSH
TSRS
TRDYD
Parameter
Delay from the falling edge of ALE to
the falling edge of DAS
Delay from the rising edge of DALO
to the falling edge of DAS (bus
master read)
Delay from the falling edge of
READY to the falling edge of DAS
Delay from the rising edge of DALO
to the falling edge of DALI (bus
master read)
DALI setup time to the rising edge of
DAS (bus master read)
DALI hold time after the rising edge
of DAS (bus master read)
Delay from the rising edge of DALI
to the falling edge of DALO (bus
master read)
DALO setup time to the falling edge
of ALE (bus master read)
DALO hold time after the falling
edge of ALE (bus master read)
Delay from the rising edge of DAS to
the rising edge of DALO (bus master
write)
CS hold time after the rising edge of
DAS (bus slave)
CS setup time to the falling edge of
DAS (bus slave)
ADR hold time after the rising edge
of DAS (bus slave)
ADR setup time to the falling edge of
DAS (bus slave)
Delay from the falling edge of ALE to
the falling edge of READY to Insure
a Minimum Bus Cycle Time (600ns)
Data setup time to the falling edge of
READY (bus slave read)
READY hold time after the rising
edge of DAS (bus master)
READY hold time after the rising
edge of DAS (bus slave)
READ hold time after rhe rising edge
of DAS (bus slave)
READ setup time after rhe rising
edge of DAS (bus slave)
Delay from falling edge of DAS to
falling edge of READY (bus slave)
Test
Conditions
TARYD = 300ns
TSCT = 100ns
TSCT = 100ns
TSCT = 100ns
TSCT = 100ns
Min.
80
35
120
70
150
0
70
110
35
50
0
0
0
0
75
0
0
0
0
Typ.
200
Max.
Units
ns
ns
200
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
150
ns
ns
ns
35
ns
ns
ns
ns
12/19
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