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Z84C9012VSC Datasheet(PDF) 22 Page - Zilog, Inc.

Part # Z84C9012VSC
Description  KIO Serial/Parallel Counter Timer
PDF  31 Pages
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Manufacturer  ZILOG [Zilog, Inc.]
Direct Link  http://www.zilog.com
Logo ZILOG - Zilog, Inc.

Z84C9012VSC Datasheet(HTML) 22 Page - Zilog, Inc.

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Z84C90
KIO Serial/Parallel Counter Timer
PS011802-0902
17
39
TdCTRr(INTf)
CLK/TRG Rise to INT Fall Delay
TsCTRr(Cr) satisfied
TsCTRr(Cr) not satisfied
(36)+(38)
(1)+(36)+(38)
(36)+(38)
(1)+(36)+(38)
40
TcCTR
CLK/TRG Cycle Time4
(2TcC)
DC
(2TcC)
DC
ns
41
TwCTRh
CLK/TRG Width High
90
DC
90
DC
ns
42
TwCTRI
CLK/TRG Width Low
90
DC
90
DC
ns
43
TrCTR
CLK/TRG Rise Time
30
30
ns
44
TfCTR
CLK/TRG Fall Time
30
30
ns
45
TdCr(ZCr)
Clock Rise to ZC/TO Rise Delay
80
80
ns
46
TdCf(ZCf)
Clock Fall to ZC/TO Fall Delay
80
80
ns
SIO Timing
47
TdIOf(W/Rf)
IORQ Fall to WT/RDY Fall Delay
(Wait Mode)
130
110
ns
48
TdCr(W/Rf)
Clock Rise to WT/RDY Delay
(Ready Mode)
85
85
ns
49
TdCf(W/Rz)
Clock Fall to WT/RDY Float Delay
(Wait Mode)
90
80
ns
50
TwPh
Pulse Width High
150
120
ns
51
TwPI
Pulse Width Low
150
120
ns
52
TcTxC
TxC Cycle Time
250
DC
200
DC
ns
53
TwTxCh
TxC Width High
85
DC
80
DC
ns
54
TwTxCl
TxC Width Low
85
DC
80
DC
ns
55
TrTxC
TxC Rise Time
60
60
ns
56
TfTxC
TxC Fall Time
60
60
ns
57
TdTxCf(TxD)
TxC Fall to TxD Delay (x1 mode)
160
120
ns
58
TdTxCf(W/Rf)
TxC Fall to WT/RDY Fall Delay
(Ready Mode)5
595
9
ns
59
TdTxCf(INTf)
TxC Fall to INT Fall Delay5
595
9
ns
60
TcRxC
RxC Cycle Time
250
DC
200
DC
ns
61
TwRxCh
RxC Width High
85
DC
80
DC
ns
62
TwRxCl
RxC Width Low
85
DC
80
DC
ns
Table 5. AC Characteristics of the Z84C90 (Continued)
8MHz
10MHz1
12MHz
No. Symbol
Parameter
Min
Max
Min
Max
Min Max U/M



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