Z8F041APB020SC Datasheet, PDF (236/276 Pages) Zilog, Inc. – Z8 Encore XP-R 4K Series High-Performance 8-Bit Microcontrollers

Z8 Encore! XP^® 4K Series
Product Specification
217
AC Characteristics
The section provides information about the AC characteristics and timing. All AC timing
information assumes a standard load of 50pF on all outputs.
Table 132. AC Characteristics
Symbol Parameter
F_SYSCLK System Clock Frequency
F_XTAL Crystal Oscillator Frequency
T_XIN
T_XINH
T_XINL
T_XINR
T_XINF
System Clock Period
System Clock High Time
System Clock Low Time
System Clock Rise Time
System Clock Fall Time
V_DD = 2.7 to 3.6V
T_A = -40°C to +105°C
(unless otherwise
stated)
Minimum Maximum Units Conditions
–
20.0 MHz Read-only from Flash memory
0.032768 20.0
MHz Program or erasure of the
Flash memory
–
20.0 MHz System clock frequencies
below the crystal oscillator
minimum require an external
clock driver.
50
–
ns T_CLK = 1/F_sysclk
20
30
ns T_CLK = 50ns
20
30
ns T_CLK = 50ns
–
3
ns T_CLK = 50ns
–
3
ns T_CLK = 50ns
PS022815-0206
Electrical Characteristics