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HMS99C52 Datasheet(PDF) 34 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) 34 Page - Hynix Semiconductor

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HMS99C5X Series
30
Jan. 2003 Ver 1.0
AC Characteristics for HMS99C5X series (24MHz)
External Data Memory Characteristics
Advance Information (24MHz)
External Clock Drive
Parameter
Symbol
24 MHz Oscillator
Variable Oscillator
1/tCLCL = 3.5 to 24MHz
Unit
Min.
Max.
Min.
Max.
RD pulse width
tRLRH
180
-
6tCLCL-70
-
ns
WR pulse width
tWLWH
180
-
6tCLCL-70
-
ns
Address hold after ALE
tLLAX2
15
-
tCLCL-27
-
ns
RD to valid data in
tRLDV
-118
-
5tCLCL-90
ns
Data hold after RD
tRHDX
0-
0
-
ns
Data float after RD
tRHDZ
-63
-
2tCLCL-20
ns
ALE to valid data in
tLLDV
-200
-
8tCLCL-133
ns
Address to valid data in
tAVDV
-220
-
9tCLCL-155
ns
ALE to WR or RD
tLLWL
75
175
3tCLCL-50
3tCLCL+50
ns
Address valid to WR or RD
tAVWL
67
-
4tCLCL-97
-
ns
WR or RD high to ALE high
tWHLH
17
67
tCLCL-25
tCLCL+25
ns
Data valid to WR transition
tQVWX
5-
tCLCL-37
-
ns
Data setup before WR
tQVWH
170
-
7tCLCL-122
-
ns
Data hold after WR
tWHQX
15
-
tCLCL-27
-
ns
Address float after RD
tRLAZ
-0
-
0
ns
Parameter
Symbol
Variable Oscillator
(Freq. = 3.5 to 24MHz)
Unit
Min.
Max.
Oscillator period
tCLCL
41.7
285.7
ns
High time
tCHCX
12
tCLCL - tCLCX
ns
Low time
tCLCX
12
tCLCL - tCHCX
ns
Rise time
tCLCH
-12
ns
Fall time
tCHCL
-12
ns



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