Z89390 Datasheet, PDF (5/11 Pages) Zilog, Inc. – 16-BIT DIGITAL SIGNAL PROCESSOR

ZILOG
PRELIMINARY
AC ELECTRICAL CHARACTERISTICS
(V_DD = 5V 10%, T_A = 0°C to +70°C unless otherwise specified)
Symbol
Parameter
Clock
TCY
Tr
Tf
CPW
Clock Cycle Time
Clock Rise Time
Clock Fall Time
Clock Pulse Width
I/O
DSSET
DSHOLD
EASET
EAHOLD
RDSET
RDHOLD
WRSET
WRHOLD
/DS Setup Time from CLOCK Fall
/DS Hold 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 Rise
Data Write Setup Time to /DS Rise
Data Write Hold Time from /DS Rise
Interrupt
INTSET
Interrupt Setup Time to CLOCK Fall
INTWIDTH Interrupt Low Pulse Width
Codec Interface
SSET
FSSET
TXSET
RXSET
RXHOLD
SCLK Setup Time from Clock Rise
FSYNC Setup Time from SCLK Rise
TXD Setup Time from SCLK Rise
RXD Setup Time to SCLK Fall
RXD Hold Time from SCLK Fall
Min (ns)
50
23
0
4
12
4
14
6
5
7
1 TCY
7
0
Reset
RRISE
RSET
RWIDTH
Reset Rise Time
Reset Setup Time to CLOCK Rise
Interrupt Low Pulse Width
15
2 TCY
External Program Memory
PASET
PA Setup Time from CLOCK Rise
5
PDSET
PD Setup Time to CLOCK Rise
10
PDHOLD PD Hold Time from CLOCK Rise
10
Wait State
WSET
WAIT Setup Time to CLOCK Rise
23
WHOLD WAIT Hold Time from CLOCK Rise
1
Halt
HSET
Halt Setup Time to CLOCK Rise
3
HHOLD
Halt Hold Time from CLOCK Rise
10
Max (ns)
2
2
15
15
18
15
6
7
1000
Z89390
CPS DC-9030-01
DC 9030-00
5