ez80l92 ZiLOG Semiconductor, ez80l92 Datasheet - Page 214

• Manufacturer Part Number: ez80l92
• Description: Ez80acclaim Flash Microcontrollers
• Manufacturer: ZiLOG Semiconductor

Table 123. External I/O Read Timing
PS013014-0107
Parameter
T
T
T
T
T
T
T
T
1
2
3
4
5
6
7
8
External I/O Read Timing
Description
Clock Rise to ADDR Valid Delay
Clock Rise to ADDR Hold Time
Input DATA Valid to Clock Rise Setup Time
Clock Rise to DATA Hold Time
Clock Rise to CSx Assertion Delay
Clock Rise to CSx Deassertion Delay
Clock Rise to IORQ Assertion Delay
Clock Rise to IORQ Deassertion Delay
Figure 50
ADDR[23:0]
DATA[7:0]
(input)
IORQ
CSx
X
RD
IN
and
Table 123
T
T
7
9
T
diagram the timing for external I/O Reads.
1
T
Figure 50. External I/O Read Timing
5
T
CLK
Min
0.4
1.3
2.6
2.4
2.6
2.3
2.2
—
20 MHz (ns)
T
3
Max
10.8
6.9
8.8
7.0
6.3
—
—
—
Product Specification
T
T
2
T
T
6
10
8
T
Min
2.2
0.4
1.3
2.6
2.4
2.6
2.3
4
—
50 MHz (ns)
AC Characteristics
Max
10.8
6.9
8.8
7.0
6.3
—
—
—
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