Z86C21 Datasheet, PDF (22/35 Pages) Zilog, Inc. – 8K ROM Z8 CMOS MICROCONTROLLER

AC CHARACTERISTICS
Additional Timing Diagram
1
Clock
2
7
7
TIN
4
5
6
IRQN
8
9
3
2
3
Figure 20. Additional Timing
Z86C21 MCU
WITH 8K ROM
AC CHARACTERISTICS
Additional Timing Table
No Sym
Parameter
T
A
=
0°C
to
+70°C
12 MHz
16 MHz
Min Max Min Max
1 TpC
2 TrC,TfC
3 TwC
4 TwTinL
Input Clock Period
Clock Input Rise & Fall Times
Input Clock Width
Timer Input Low Width
83 1000
15
35
75
62.5 1000
10
25
75
5 TwTinH Timer Input High Width
3TpC
3TpC
6 TpTin
Timer Input Period
8TpC
8TpC
7 TrTin,TfTin Timer Input Rise & Fall Times
100
100
8A TwIL
8B TwIL
9 TwIH
Interrupt Request Input Low Times 70
Interrupt Request Input Low Times 3TpC
Interrupt Request Input High Times 3TpC
Notes:
[1] Clock timing references use 3.8V for a logic 1 and 0.8V for a logic 0.
[2] Timing references use 2.0V for a logic 1 and 0.8V for a logic 0.
[3] Interrupt references request through Port 3.
[4] Interrupt request through Port 3 (P33-P31).
[5] Interrupt request through Port 30.
70
3TpC
3TpC
T
A
=
–40°C
to
+105°C
12 MHz
16 MHz
Min Max Min Max Units Notes
83 1000 62.5 1000 ns [1]
15
10 ns [1]
35
25
ns [1]
75
75
ns [2]
3TpC
3TpC
[2]
8TpC
8TpC
[2]
100
100
ns [2]
70
50
ns [2,4]
3TpC
3TpC
[2,5]
3TpC
3TpC
[2,3]
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