![](http://datasheet.mmic.net.cn/290000/Z86227_datasheet_16189706/Z86227_8.png)
8
Z86227
CPS DC-4074-01
AC CHARACTERISTICS
T
A
=0
°
C to +70
°
C; V
CC
=+4.5V to +5.5V; F
OSC
=4 MHz
No
Symbol
Parameter
Min
Max
Unit
1
2
3
4
TpC
TrC,TfC
TwC
TwTinL
Input Clock Period
Clock Input Rise and Fall
Input Clock Width
Timer Input Low Width
250
1000
15
ns
ns
ns
ns
70
70
5
6
7
8a
TwTinH
TpTin
TrTin,TfTin
TwIL
Timer Input High Width
Timer Input Period
Timer Input Rise and Fall
Int Req Input Low
3TpC
8TpC
100
ns
ns
70
8b
9
10
11
TwIL
TwIH
TdPOR
TdLVIRES
3TpC
3TpC
25
200
Int Request Input High
Power On Reset Delay
Low Voltage Detect to
Internal RESET Condition
100
ms
ns
12
13
14
15
TwRES
TdHsOI
TdHsOh
TdWDT
Reset Minimum Width
H
sync
Start to V
osc
Stop
H
End to V
Start
WDT Refresh Time
5TpC
2TpV
3TpV
1TpV
12
ms
Note:
Refer to DC Characteristics for details on switching levels.
1993 by Zilog, Inc. All rights reserved. No part of this document may
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makes no commitment to update or keep current the information
contained in this document.
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Campbell, CA 95008-6600
Telephone (408) 370-8000
Telex 910-338-7621
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