Tandy 1000 HX Technical Reference Manual page 103

8088
A.C. CHARACTERISTICS (Continued)
TIMING RESPONSES
Symbol
TCLML
TCLMH
TRYHSH
TCHSV
TCLSH
TCLAV
TCLAX
TCLAZ
TSVLH
TSVMCH
TCLLH
TCLMCH
TCHLL
TCLMCL
TCLDV
TCHDX
TCVNV
TCVNX
TAZRL
TCLRL
TCLRH
TRHAV
TCHDTL
TCHDTH
TCLGL
TCLGH
TRLRH
TOLOH
TOHOL
Parameter
Command Active Delay
(Note 1)
Command Inactive Delay
(Notel)
READY Active to
Status Passive (Note 3)
Status Active Delay
Status Inactive Delay
Address Valid Delay
Address Hold Time
Address Float Delay
Status Valid to ALE High
(Notel)
Status Valid to MCE High
(Notel)
CLK Low to ALE Valid
(Notel)
CLK Low to MCE (Notel)
ALE Inactive Delay (Note 1)
MCE Inactive Delay (Note 1)
Data Valid Delay
Data Hold Time
Control Active Delay
(Notel)
Control Inactive Delay
(Notel)
Address Float to
Read Active
^D Active Delay
RD Inactive Delay
RD Inactive to Next
Address Active
Direction Control
Active Delay (Notel)
Direction Control
nactive Delay (Notel)
GT Active Delay
GT Inactive Delay
TO Width
Output Rise Time
Output Fall Time
8088
Min
10
10
10
10
10
10
TCLAX
10
10
5
10
0
10
10
TCLCL-45
2TCLCL-75
Max
35
35
110
110
130
110
80
15
15
15
15
15
15
110
45
45
165
150
50
30
85
85
20
12
8088-2
Min
10
10
10
10
10
10
TCLAX
10
10
5
10
0
10
10
TCLCL-40
2TCLCL-50
Max
3f5
35
65
60
70
70
50
15
15
15
15
15
15
60
45
45
100
80
50
30
50
50
20
12
Units
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
Test
Conditions
C
L
= 20-100 pF for
All 8088 Outputs
n Addition to
nternal Loads
From 0.8V to 2.0V
From 2.0V to 0.8V
NOTES:
1. Signal at 8284 or 8288 shown for reference only.
2. Setup requirement for asynchronous signal only to guarantee recognition at next CLK.
3. Applies only to T3 and wait states.
4. Applies only to T2 state (8 ns into T3 state).
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