Z86C93 Datasheet, PDF (9/13 Pages) Zilog, Inc. – CMOS Z8 MULT/DIV MICROCONTROLLER

AC CHARACTERISTICS
External I/O or Memory Read and Write; DSR/DSW; WAIT Timing Table
No Sym
Parameter
T
A
=
0°C
to
+70°C
33 MHz
25 MHz
20 MHz
Min Max Min Max Min Max
1 TdA(AS)
2 ThAS(A)
3 TdAS(DI)
4 TwAS
Address Valid To /AS Rise Delay
/AS Rise To Address Hold Time
/AS Rise To Data In Req’d Valid Delay
/AS Low Width
15
20
96
15
5 TdAZ(DSR) Address Float To /DS Fall (Read)
0
6 TwDSR
/DS (Read) Low Width
65
7 TwDSW
/DS (Write) Low Width
40
8 TdDSR(DI) /DS Fall (Read) To Data in Req'd Valid Delay 55
9 ThDSR(DI) /DS Rise (Read) to Data In Hold Time
0
10 TdDS(A)
/DS Rise To Address Active Delay
25
11 TdDS(AS)
/DS Rise To /AS Delay
16
12 TdR/W(AS) R/W Valid To /AS Rise Delay
12
13 TdDS(R/W)
14 TdDO(DSW)
15 ThDSW(DO)
16 TdA(DI)
/DS Rise To R/W Not Valid Delay
12
Data Out To /DS Fall (Write) Delay
12
/DS Rise (Write) To Data Out Hold Time 12
Address Valid To Data In Req’d Valid Delay
115
17 TdAS(DSR) /AS Rise To /DS Fall (Read) Delay
30
19 TdDM(AS)
/DM Valid To /AS Rise Delay
15
20 TdDS(DM) /DS Rise To /DM Valid Delay
15
21 ThDS(A)
/DS Rise To Address Valid Hold Time
35
22 TdXT(SCR) XTAL Falling to SCLK Rising**
35
23 TdXT(SCF) XTAL Falling to SCLK Falling**
45
24 TdXT(DSRF) XTAL Falling to/DS Read Falling**
35
25 TdXT(DSRR) XTAL Falling to /DS Read Rising**
26 TdXT(DSWF) XTAL Falling to /DS Write Falling**
27 TdXT(DSWF) XTAL Falling to /DS Write Rising**
28 TsW(XT)
Wait Set-up Time
29 ThW(XT)
Wait Hold Time
30 TwW
Wait Width (One Wait Time)
35
45
35
5
15
20
22
25
130
28
0
100
65
85
0
40
30
26
30
34
34
160
40
22
34*
26
28
160
36
0
130
75
100
0
48
36
32
36
40
40
200
48
26
10*
15*
25*
Notes:
When using extended memory timing add 2 TpC.
Timing numbers given are for minimum TpC.
* Typical value to be characterized (25 MHz).
** External clock drive.
Z86C93
CPS DC-4020-12
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
9