参数资料
型号: IA88C00
厂商: Innovasic Semiconductor
英文描述: Microcontroller
中文描述: 微控制器
文件页数: 75/80页
文件大小: 707K
代理商: IA88C00
IA88C00
Microcontroller
Data Sheet
As of Production Version -01
Copyright
2005 ENG21 1 030617-04 www.Innovasic
Innovasic.com
Innovasic Semiconductor
Page 75 of 80 1.888.824.4184
AC Electrical Characteristics (20 MHz)
EPROM Read Cycle
No.
Symbol
Parameter
1
TdA(DR)
Address Valid to Read Data Required Valid
NOTES
1. WAIT states add 167 ns to these times.
All times are in nanoseconds and are for 12 MHz input frequency.
* Timings are preliminary and subject to change.
Wait Timing
Min
Max Notes
*
170
1
SCLK
/AS
/DS
/WAIT
T1
T2
TWAIT
T3
a
b
c
d
Tc
Tc
e
F
G
Figure 73. Wait Timing
a
b
c
d
e
F
G
NOTES
All figures are in nanoseconds.
Description
Skew of T1 SCLK Rise to /AS Fall
Skew of T1 SCLK Rise to /AS Rise
Skew of T2 SCLK Rise to Read /DS Fall
Skew T2 SCLK Fall to Write /DS Fall
Skew T3 SCLK Fall to /DS Rise
/WAIT Fall Delay After T2 SCLK Fall to Generate at Least 1 WAIT State
/WAIT Fall Delay after T2 SCLK Fall to Prevent an Additional WAIT State
10.0
10.0
20.0
20.0
20.0
20.0
15.0
Max
Max
Max
Max
Max
Max
Max
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