Z89371 Zilog., Z89371 Datasheet - Page 12

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

Z89321/371/391
16-Bit Digital Signal Processors
AC ELECTRICAL CHARACTERISTICS
(V
Clock
I/O
Interrupt
CODEC Interface
Reset
External Program Memory
Wait State
Halt
Notes:
12
1. Z89321 and Z89391 only
2. Z89371 only (V
3. Z89321 only. Limited availability. Contact Zilog sales office.
DD
INTWIDTH
WRVALID
WRHOLD
DSVALID
DSHOLD
RDHOLD
RXHOLD
PDHOLD
EAHOLD
RWIDTH
PAVALID
= 5V ±10%, T
WHOLD
Symbol
INTSET
RDSET
HHOLD
EASET
RXSET
PDSET
FSSET
TXSET
RRISE
WSET
RSET
HSET
SSET
CPW
TCY
Tr
Tf
DD
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
= 5V ± 5%)
A
= 0°C to +70°C, unless otherwise specified.)
Parameter
P R E L I M I N A R Y
1 TCY
2 TCY
Min
fclock = 20
50
23
12
14
15
10
10
23
10
0
4
4
6
5
7
7
0
1
3
MHz
1
1000
Max
15
15
18
15
20
2
2
6
7
fclock = 16 MHz
1 TCY
2 TCY
6.25
Min
29
12
14
15
10
10
23
10
0
4
4
6
5
7
7
0
1
3
10000
Max
15
15
18
15
20
2
2
6
7
2
1 TCY
2 TCY
41.7
Min
fclock = 24
19
12
14
15
10
10
23
10
0
4
4
6
5
7
7
0
1
3
MHz
DS97DSP0100
1000
3
Max
15
15
18
15
20
2
2
6
7
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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