ez80l92 ZiLOG Semiconductor, ez80l92 Datasheet - Page 211

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

Table 121. External Read Timing
PS013014-0107
Parameter
T
T
T
T
T
T
T
1
2
3
4
5
6
7
ADDR[23:0]
DATA[7:0]
External Memory Read Timing
MREQ
(input)
CSx
X
RD
IN
Description
Clock Rise to ADDR Valid Delay
Clock Rise to ADDR Hold Time
Input DATA Valid to Clock Rise Setup Time
DATA Hold Time from Clock Rise
Clock Rise to CSx Assertion Delay
Clock Rise to CSx Deassertion Delay
Clock Rise to MREQ Assertion Delay
Figure 48
and
T
T
7
9
Table 121
Figure 48. External Memory Read Timing
T
T
1
5
illustrate the timing for external Reads.
T
CLK
Min
1.0
2.4
3.2
2.9
2.8
2.4
—
20 MHz (ns)
T
3
T
T
2
T
T
6
Max
10.2
10.3
10
8
9.7
9.6
—
—
—
Product Specification
T
4
Min
2.4
1.0
2.4
3.2
2.9
2.8
—
50 MHz (ns)
AC Characteristics
Max
10.2
10.3
9.7
9.6
—
—
—
205