Z89166 Zilog., Z89166 Datasheet - Page 14

• Manufacturer Part Number: Z89166
• Description: DTAD CONTROLLERS
• Manufacturer: Zilog.

AC CHARACTERISTICS
Z89165/166
External I/O or Memory Read and Write Timing Table
No Symbol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Notes:
[1] When using extended memory timing add 2 TpC.
[2] Timing numbers given are for minimum TpC.
[3] See clock cycle dependent characteristics table.
[4] 5.0 V
Standard Test Load
All timing references use 0.9 V
14
Z
ILOG
TdA(AS)
TdAS(A)
TdAS(DR)
TwAS
TdAZ(DS)
TwDSR
TwDSW
TdDSR(DR)
ThDR(DS)
TdDS(A)
TdDS(AS)
TdR/W(AS)
TdDS(R/W)
TdDW(DSW) Write Data Valid to /DS Fall (Write) Delay
TdDS(DW)
TdA(DR)
TdAS(DS)
TdDI(DS)
TdDM(AS)
0.5 V.
Parameter
Address Valid to /AS Rise Delay
/AS Rise to Address Float Delay
/AS Rise to Read Data Req’d Valid
/AS Low Width
Address Float to /DS Fall
/DS (Read) Low Width
/DS (Write) Low Width
/DS Fall to Read Data Req’d Valid
Read Data to /DS Rise Hold Time
/DS Rise to Address Active Delay
/DS Rise to /AS Fall Delay
R//W Valid to /AS Rise Delay
/DS Rise to R//W Not Valid
/DS Rise to Write Data Not Valid Delay
Address Valid to Read Data Req’d Valid
/AS Rise to /DS Fall Delay
Data Input Setup to /DS Rise
/DM Valid to /AS Fall Delay
CC
for a logic 1 and 0.1 V
CC
for a logic 0.
V
Note [4]
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
CC
T
Min
125
A
25
35
35
75
40
35
25
35
40
25
48
50
20
-3
0
=0 C to +70 C
Max
150
180
90
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Z89165/166/167/168/169
CP96TAD0103
DTAD C
Notes
[2,3]
[2,3]
[1,2,3]
[2,3]
[1,2,3]
[1,2,3]
[1,2,3]
[2,3]
[2,3]
[2,3]
[2,3]
[2,3]
[2,3]
[2,3]
[1,2,3]
[2,3]
[1,2,3]
[2,3]
ONTROLLERS