524
(
2
)
Control Signal Timing
Table 20.19 Control Signal Timing
Conditions: V
CC
= 3.3 V ±0.3V, AV
CC
= 3.3 V ±0.3V, AV
CC
= V
CC
±0.3V, AV
ref
= 3.0 V to
AV
CC
, V
SS
= AV
SS
= 0 V, Ta = –20 to +75°C*
Note: * Regular-specification products; for wide-temperature-range products, Ta = –40 to +85°C
12.5 MHz
20 MHz
Item
Symbol
Min
Max
Min
Max
Unit
Figure
RES
setup time
t
RESS
320
—
200
—
ns
20.48
RES
pulse width
t
RESW
20
—
20
—
t
cyc
NMI reset setup time
t
NMIRS
320
—
200
—
ns
NMI reset hold time
t
NMIRH
320
—
200
—
ns
NMI setup time
t
NMIS
160
—
100
—
ns
20.49
NMI hold time
t
NMIH
80
—
50
—
ns
IRQ0
–
IRQ7
setup time
(edge detection)
t
IRQES
160
—
100
—
ns
IRQ0
–
IRQ7
setup time
(level detection)
t
IRQLS
160
—
100
—
ns
IRQ0
–
IRQ7
hold time
t
IRQEH
80
—
50
—
ns
IRQOUT
output delay
time
t
IRQOD
—
80
—
50
ns
20.50
Bus request setup time
t
BRQS
80
—
50
—
ns
20.51
Bus acknowledge delay
time 1
t
BACD1
—
80
—
50
ns
Bus acknowledge delay
time 2
t
BACD2
—
80
—
50
ns
Bus 3-state delay time
t
BZD
—
80
—
50
ns
Summary of Contents for HD6417032
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Page 35: ...xiv ...
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Page 101: ...66 ...
Page 129: ...94 ...
Page 135: ...100 ...
Page 343: ...308 ...
Page 369: ...334 ...
Page 383: ...348 ...
Page 475: ...440 ...
Page 525: ...490 CK RAS CAS TRp TRc TRcc tRASD1 tRASD2 tCASD3 tCASD2 TRr tCSR Figure 20 18 Self Refresh ...
Page 578: ...543 CK RAS CAS TRp TRc TRcc tRASD1 tRASD2 tCASD3 tCASD2 TRr tCSR Figure 20 62 Self Refresh ...
Page 689: ...654 ...