IA88C00 Datasheet, PDF (75/80 Pages) InnovASIC, Inc – Microcontroller

IA88C00
Microcontroller
Data Sheet
As of Production Version -01
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.
Min Max Notes†*
170
1
Wait Timing
T1
SCLK
a
b
/AS
T2
TWAIT
T3
Tc
Tc
c
d
e
/DS
/WAIT
F
G
Figure 73. Wait Timing
Description
a Skew of T1 SCLK Rise to /AS Fall
10.0
Max
b Skew of T1 SCLK Rise to /AS Rise
10.0
Max
c Skew of T2 SCLK Rise to Read /DS Fall
20.0
Max
d Skew T2 SCLK Fall to Write /DS Fall
20.0
Max
e Skew T3 SCLK Fall to /DS Rise
20.0
Max
F /WAIT Fall Delay After T2 SCLK Fall to Generate at Least 1 WAIT State
20.0
Max
G /WAIT Fall Delay after T2 SCLK Fall to Prevent an Additional WAIT State 15.0
Max
NOTES
All figures are in nanoseconds.
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Innovasic.com
Innovasic Semiconductor
ENG21 1 030617-04
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