GMS90 Hynix Semiconductor, GMS90 Datasheet - Page 43

• Manufacturer Part Number: GMS90
• Description: 8-BIT SINGLE-CHIP MICROCONTROLLERS
• Manufacturer: Hynix Semiconductor

GMS90 Series
AC Characteristics for GMS90 series (33MHz)
External Data Memory Characteristics
Advance Information (33MHz)
External Clock Drive
Dec. 1998 Ver 3.0
RD pulse width
WR pulse width
Address hold after ALE
RD to valid data in
Data hold after RD
Data float after RD
ALE to valid data in
Address to valid data in
ALE to WR or RD
Address valid to WR or RD
Data valid to WR transition
Data setup before WR
Data hold after WR
Address float after RD
Oscillator period
High time
Low time
Rise time
Fall time
WR or RD high to ALE high
Parameter
Parameter
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
RLRH
WLWH
LLAX2
RLDV
RHDX
RHDZ
LLDV
AVDV
LLWL
AVWL
WHLH
QVWX
QVWH
WHQX
RLAZ
t
t
t
t
t
CLCL
CHCX
CLCX
CLCH
CHCL
Symbol
Symbol
33 MHz Oscillator
Min.
132
132
142
10
71
66
10
10
0
5
-
-
-
-
-
Min.
30.3
11.5
11.5
-
-
(Freq. = 3.5 to 24MHz)
Max.
153
183
111
81
46
40
Variable Oscillator
0
-
-
-
-
-
-
-
-
6t
6t
3t
4t
7t
1/t
t
t
t
t
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
Variable Oscillator
Min.
CLCL
0
-
-
-
-
-
-20
-20
-25
-20
t
t
-50
-50
-20
-55
-70
CLCL
CLCL
= 3.5 to 33MHz
285.7
Max.
- t
5
5
- t
CHCX
3t
CLCX
5t
2t
8t
9t
t
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
Max.
0
-
-
-
-
-
-
-
-
+20
+20
-70
-15
-90
-90
Unit
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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