Z89323 Datasheet, PDF (51/61 Pages) Zilog, Inc. – 16-BIT DIGITAL SIGNAL PROCESSORS

PRELIMINARY
AC ELECTRICAL CHARACTERISTICS (20 MHZ)
(V =
DD
5V
±10%,
T
A
=
0°C
to
+70°C,
unless
otherwise
noted.)
Symbol
Clock
TCY
Tr
Tf
CPW
I/O
DSVALID
DSHOLD
EASET
EAHOLD
RDSET
RDHOLD
WRVALID
WRHOLD
Interrupt
INTSET
INTWIDTH
Reset
RRise
RSET
RWIDTH
Wait State
WSET
WHOLD
Halt
HSET
HHOLD
Parameter
Clock Cycle Time
Clock Rise Time
Clock Fall Time
Clock Pulse Width
/DS Valid Time from CLOCK Fall
/DS Valid Time from CLOCK Rise
EA Setup Time to /DS Fall
EA Hold Time from /DS Rise
Data Read Setup Time to /DS Rise
Data Read Hold Time from /DS Fall
Data Write Valid Time from /DS Fall
Data Write Hold Time from /DS Rise
Interrupt Setup Time to CLOCK Fall
Interrupt Low Pulse Width
Reset Rise Time
Reset Setup Time to CLOCK Rise
Interrupt Low Pulse Width
Wait Setup Time to CLOCK Rise
Wait Hold Time from CLOCK Rise
Halt Setup Time to CLOCK Rise
Halt Hold Time from CLOCK Rise
Standard Temp
T
A
=
0°
to
+70°C
Min. Max.
50
2
2
23
0
15
4
15
12
4
14
6
18
5
7
1 TCY
15
2 TCY
1000
23
1
3
10
Z89323/373/393
16-BIT DIGITAL SIGNAL PROCESSORS
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS95DSP0101 Q4/95
51