Z80181 Zilog., Z80181 Datasheet - Page 58

• Manufacturer Part Number: Z80181
• Description: SMART ACCESS CONTROLLER (SAC)
• Manufacturer: Zilog.

Zilog
AC CHARACTERISTICS (Continued)
Z180 MPU Timing
2-58
(External Clock)
(External Clock)
(Internal Clock)
(Internal Clock)
Transmit Data
Transmit Data
Receive Data
Receive Data
CSI/O Clock
No
1
2
3
4
5
6
7
8
9
10
Symbol
tcyc
tCHW
tCLW
tcf
tcr
tAD
tAS
tMED1
tRDD1
tM1D1
Parameter
Clock Cycle Time
Clock Pulse Width (High)
Clock Pulse Width (Low)
Clock Fall Time
Clock Rise Time
Address Valid from Clock Rise
Address Valid to /MREQ, /IORQ Fall
Clock Fall to /MREQ Fall Delay
Clock Fall to /RD Fall (/IOC=1)
Clock Rise to /RD Fall (/IOC=0)
Clock Rise to /M1 Fall Delay
Table A. Z180 CPU & 180 Peripherals Timing
Figure 68. CSI/O Receive/Transmit Timing
57
11.5 tcyc
16.5 tcyc
11 tcyc
56
55
59
58
60
57
11.5 tcyc
16.5 tcyc
11 tcyc
56
Min
100
40
40
10
55
Z8018110
59
58
2000
Max
10
10
70
50
50
55
60
S
MART
A
60
CCESS
Unit
C
DS971800500
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ONTROLLER
Z80181
SAC
™