GMS97C8HPL View Datasheet(PDF) - Hynix Semiconductor
Part Name
Description
MFG CO.
'GMS97C8HPL' PDF : 59 Pages View PDF
GMS90 Series
AC Characteristics for GMS90 series (16MHz version)
VCC= 3.3V + 0.3V, −0.6V; VSS= 0V; TA= 0°C to 70°C
(CL for port 0. ALE and PSEN outputs = 50pF; CL for all other outputs = 50pF)
External Program Memory Characteristics
Parameter
Symbol
ALE pulse width
Address setup to ALE
Address hold after ALE
ALE low to valid instruction in
ALE to PSEN
PSEN pulse width
PSEN to valid instruction in
Input instruction hold after PSEN
Input instruction float after PSEN
Address valid after PSEN
Address to valid instruction in
Address float to PSEN
tLHLL
tAVLL
tLLAX
tLLIV
tLLPL
tPLPH
tPLIV
tPXIX
tPXIZ †
tPXAV †
tAVIV
tAZPL
16 MHz Oscillator
Min.
85
23
23
-
38
153
-
0
-
55
-
0
Max.
-
-
-
150
-
-
88
-
43
-
198
-
Variable Oscillator
1/tCLCL = 3.5 to 16MHz
Min.
Max.
2tCLCL-40
tCLCL-40
tCLCL-40
-
tCLCL-25
3tCLCL-35
-
0
-
-
-
4tCLCL-100
-
-
3tCLCL-100
-
-
tCLCL-20
tCLCL-8
-
-
5tCLCL-115
0
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
† Interfacing the GMS90 series to devices with float times up to 35 ns is permissible. This limited bus contention will not cause
any damage to port 0 Drivers.
34
Oct. 2000 Ver 3.1a
Share Link: 
