Z89371 Zilog., Z89371 Datasheet - Page 13

• Manufacturer Part Number: Z89371
• Description: 16-Bit Digital Signal Processors
• Manufacturer: Zilog.

Zilog
AC ELECTRICAL CHARACTERISTICS
(V
Clock
I/O
Interrupt
CODEC Interface
Reset
External Program Memory
Wait State
Halt
Note:
1. Z89321 only
DS97DSP0100
DD
= 5V ±10%, T
INTWIDTH
WRVALID
WRHOLD
DSVALID
DSHOLD
EAHOLD
RDHOLD
RXHOLD
PDHOLD
RWIDTH
PAVALID
WHOLD
Symbol
INTSET
HHOLD
RDSET
EASET
RXSET
PDSET
FSSET
TXSET
RRISE
WSET
RSET
HSET
SSET
CPW
TCY
Tr
Tf
A
= Ð40°C to +85°C, unless otherwise specified.)
Clock Cycle Time
Clock Rise Time
Clock Fall Time
Clock Pulse Width
/DS Valid 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 Valid Time from /DS Fall
Data Write Hold Time from /DS Rise
Interrupt Setup Time to CLOCK Fall
Interrupt Low Pulse Width
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
Reset Rise Time
Reset Setup Time to CLOCK Rise
Reset Low Pulse Width
PA Valid Time from CLOCK Rise
PD Setup Time to CLOCK Rise
PD Hold Time from CLOCK Rise
WAIT Setup Time to CLOCK Rise
WAIT Hold Time from CLOCK Rise
Halt Setup Time to CLOCK Rise
Halt Hold Time from CLOCK Rise
Parameter
P R E L I M I N A R Y
16-Bit Digital Signal Processors
1 TCY
2 TCY
Min
50
20
15
17
18
12
12
28
12
0
5
5
8
6
9
9
0
2
4
fclock = 20 MHz
Z89321/371/391
1000
1
Max
18
18
20
18
25
5
5
8
9
13
1