Dallas DS5000(T) Manual page 10

AC CHARACTERISTICS: EXPANDED
BUS MODE TIMING SPECIFICATIONS
# PARAMETER
1 Oscillator Frequency
2 ALE Pulse Width
3 Address Valid to ALE Low
4 Address Hold After ALE Low
5 ALE Low to Valid Instr. In
6
ALE Low to
PSEN
7
Pulse Width
PSEN
8
Low to Valid Instr. In
PSEN
9
Input Instr. Hold after
10
Input Instr. Float after
11
Address Hold after
12 Address Valid to Valid Instr. In @ 12 MHz
13
Low to Address Float
PSEN
14
Pulse Width
RD
15
Pulse Width
WR
16
Low to Valid Data In
RD
17
Data Hold after
18
Data Float after
19 ALE Low to Valid Data In
20 Valid Addr. to Valid Data In
21
ALE Low to
RD
22
Address Valid to
23
Data Valid to
WR
24
Data Valid to
WR
25
Data Valid after
26
Low to Address Float
RD
27
or High to ALE High
RD WR
@ 12 MHz
@ 16 MHz
Low
@ 12 MHz
@ 16 MHz
Going High
PSEN
Going High
PSEN
Going High
PSEN
@ 16 MHz
@ 12 MHz
@ 16 MHz
High
RD
High
RD
@ 12 MHz
@ 16 MHz
@ 12 MHz
@ 16 MHz
or Low
WR
or Low
RD WR
Going Low
High @ 12 MHz
@ 16 MHz
High
WR
(t =0°C to 70°C; V
A
SYMBOL
1/t
CLK
t 2t
ALPW
t t
AVALL CLK
t t
AVAAV CLK
t
ALLVI
t t
ALLPSL CLK
t 3t
PSPW
t
PSLVI
t
PSIV
t
PSIX
t t
PSAV
t
AVVI
t
PSLAZ
t 6t
RDPW CLK
t 6t
WRPW CLK
t
RDLDV
t
RDHDV
t
RDHDZ
t
ALLVD
t
AVDV
t 3t
ALLRDL
t 4t
AVRDL CLK
t t
DVWRL CLK
t 7t
DVWRH CLK
7t
t t
WRHDV CLK
t
RDLAZ
t t
RDHALH CLK
10 of 19
=5V ± 5%)
CC
MIN MAX
1.0 16
-40
CLK
-40
-35
4t -150
CLK
4t -90
CLK
-25
-35
CLK
3t -150
CLK
3t -90
CLK
0
t -20
CLK
-8
CLK
5t -150
CLK
5t -90
CLK
0
-100
-100
5t -165
CLK
5t -105
CLK
0
2t -70
CLK
8 -150
CLK
8t -90
CLK
9t -165
CLK
9t -105
CLK
-50 3t +50
CLK CLK
-130
-60
-150
-90
CLK
-50
0
-40 t +50
CLK
DS5000(T)
UNITS
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns