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HMS99C52 Datasheet(PDF) 36 Page - Hynix Semiconductor

Part # HMS99C52
Description  8-BIT SINGLE-CHIP MICROCONTROLLERS
PDF  43 Pages
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Manufacturer  HYNIX [Hynix Semiconductor]
Direct Link  http://www.skhynix.com/kor/main.do
Logo HYNIX - Hynix Semiconductor

HMS99C52 Datasheet(HTML) 36 Page - Hynix Semiconductor

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HMS99C5X Series
32
Jan. 2003 Ver 1.0
AC Characteristics for HMS99C5X series (40MHz)
External Data Memory Characteristics
Advance Information (40MHz)
External Clock Drive
Parameter
Symbol
at 40 MHz Clock
Variable Clock
1/tCLCL = 3.5 to 40MHz
Unit
Min.
Max.
Min.
Max.
RD pulse width
tRLRH
132
-
6tCLCL-50
-
ns
WR pulse width
tWLWH
132
-
6tCLCL-50
-
ns
Address hold after ALE
tLLAX2
10
-
tCLCL-20
-
ns
RD to valid data in
tRLDV
-81
-
5tCLCL-70
ns
Data hold after RD
tRHDX
0-
0
-
ns
Data float after RD
tRHDZ
-46
-
2tCLCL-15
ns
ALE to valid data in
tLLDV
-153
-
8tCLCL-90
ns
Address to valid data in
tAVDV
-183
-
9tCLCL-90
ns
ALE to WR or RD
tLLWL
71
111
3tCLCL-20
3tCLCL+20
ns
Address valid to WR or RD
tAVWL
66
-
4tCLCL-55
-
ns
WR or RD high to ALE high
tWHLH
10
40
tCLCL-20
tCLCL+20
ns
Data valid to WR transition
tQVWX
5-
tCLCL-25
-
ns
Data setup before WR
tQVWH
142
-
7tCLCL-70
-
ns
Data hold after WR
tWHQX
10
-
tCLCL-20
-
ns
Address float after RD
tRLAZ
-0
-
0
ns
Parameter
Symbol
Variable Oscillator
(Freq. = 3.5 to 40MHz)
Unit
Min.
Max.
Oscillator period
tCLCL
30.3
285.7
ns
High time
tCHCX
11.5
tCLCL - tCLCX
ns
Low time
tCLCX
11.5
tCLCL - tCHCX
ns
Rise time
tCLCH
-5
ns
Fall time
tCHCL
-5
ns



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