DS80C320 Datasheet, PDF (22/42 Pages) Dallas Semiconductor – High-Speed/Low-Power Micro

TYPICAL I_CC VERSUS FREQUENCY Figure 5
DS80C320/DS80C323
DS80C320 AC CHARACTERISTICS UP TO 25 MHz
PARAMETER
SYMBOL 25
25 VARIABLE
MHz MHz CLOCK
MIN MAX
MIN
Oscillator Freq.
(Ext. Osc.)
1/t_CLCL
0
25
0
(Ext. Crystal)
1
25
1
ALE Pulse Width
Port 0 Address Valid
to ALE Low
t_LHLL
50
t_AVLL
9
1.5t_CLCL-10
0.5t_CLCL-11
Address Hold After
ALE Low
t_LLAX1
5
note 5 0.25t_CLCL-5
Address Hold After
ALE Low for MOVX
t_LLAX2
13
0.5t_CLCL-7
WR
ALE Low to Valid
Instruction In
ALE Low to PSEN Low
PSEN Pulse Width
PSEN Low to Valid
Instruction In
Input Instruction Hold
After PSEN
Input Instruction Float
After PSEN
Port 0 Address to Valid
Instruction In
Port 2 Address to Valid
Instruction In
PSEN Low to
Address Float
t_LLIV
t_LLPL
t_PLPH
t_PLIV
t_PXIX
t_PXIZ
t_AVIV1
t_AVIV2
t_PLAZ
73
3
0.25t_CLCL-7
83
2.25t_CLCL-7
69
0
0
35
93
107
note 5
VARIABLE
CLOCK
MAX
25
25
note 5
2.5t_CLCL-27
2.25t_CLCL-21
t_CLCL-5
3t_CLCL-27
3.5t_CLCL-33
note 5
UNITS
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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