Z86C21 Datasheet, PDF (23/35 Pages) Zilog, Inc. – 8K ROM Z8 CMOS MICROCONTROLLER

AC CHARACTERISTICS
Handshake Timing Diagrams
Data In
/DAV
(Input)
RDY
(Output)
Data In Valid
1
2
3
Delayed DAV
4
Next Data In Valid
5
6
Delayed RDY
Figure 21. Input Handshake Timing
Z86C21 MCU
WITH 8K ROM
Data Out
/DAV
(Output)
RDY
(Input)
Data Out Valid
Next Data Out Valid
7
Delayed DAV
8
9
11
10
Delayed RDY
Figure 22. Output Handshake Timing
AC CHARACTERISTICS
Handshake Timing Table
No Sym
1 TsDI(DAV)
2 ThDI(DAV)
3 TwDAV
4 TdDAVI(RDY)
5 TdDAVId(RDY)
6 TdRDYO(DAV)
7 TdD0(DAV)
8 TdDAV0(RDY)
9 TdRDY0(DAV)
10 TwRDY
11 TdRDY0d(DAV)
Parameter
Data In Setup Time
Data In Hold Time
Data Available Width
DAV Fall to RDY Fall Delay
DAV Rise to RDY Rise Delay
RDY Rise to DAV Fall Delay
Data Out to DAV Fall Delay
DAV Fall to RDY Fall Delay
RDY Fall to DAV Rise Delay
RDY Width
RDY Rise to DAV Fall Delay
T
A
=
0°C
to
+70°C
12 MHz
16 MHz
Min Max Min Max
0
145
110
115
0
145
110
115
115
0
TpC
0
115
0
TpC
0
115
110
115
115
110
115
T
A
=
–40°C
to
+105°C
12 MHz
16 MHz
Min Max Min Max
0
145
110
115
0
145
110
115
115
0
TpC
0
115
0
TpC
0
115
110
115
115
110
115
Data
Direction
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
23