Z8F0830HH020SG Datasheet, PDF (207/257 Pages) Zilog, Inc. – High-Performance 8-Bit Microcontrollers

Z8 Encore!^® F0830 Series
Product Specification
189
AC Characteristics
The section provides information about the AC characteristics and timing. All AC timing
information assumes a standard load of 50 pF on all outputs.
Table 117. AC Characteristics
Symbol
F_SYSCLK
F_XTAL
F_IPO
F_IPO
F_IPO
F_IPO
F_IPO
T_XIN
T_XINH
T_XINL
Parameter
System Clock Fre-
quency
Crystal Oscillator
Frequency
V_DD = 2.7 to 3.6 V
V_DD = 2.7 to 3.6V T_A = –40°C to
T_A = 0°C to +70°C
+105°C
Min
Max
Min
Max
–
20.0
0.03276 20.0
8
1.0
20.0
Internal Precision
Oscillator Frequency
0.03276 5.5296
8
Internal Precision
Oscillator Frequency
Internal Precision
Oscillator Frequency
Internal Precision
Oscillator Frequency
Internal Precision
Oscillator Frequency
System Clock
Period
System Clock High
Time
System Clock Low
Time
5.31 5.75
4.15 6.91
30.7 33.3
24
40
50
–
20
30
20
30
Units Conditions
MHz Read-only from Flash
memory
MHz Program or erasure of
the Flash memory
MHz
System clock frequen-
cies below the crystal
oscillator minimum
require an external
MHz
Oscillator is not adjust-
able over the entire
range. User may select
Min or Max value only.
MHz High speed with trim-
ming
MHz High speed without
trimming
KHz Low speed with trim-
ming
KHz Low speed without
trimming
ns T_CLK = 1/F_sysclk
ns T_CLK = 50 ns
ns T_CLK = 50 ns
PS025113-1212
AC Characteristics