Z8F1601 Datasheet, PDF (190/246 Pages) Zilog, Inc. – Z8 Encore Microcontrollers with Flash Memory and 10-Bit A/D Converter

Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
Z8 Encore!^®
172
AC Characteristics
The section provides information on the AC characteristics and timing of the
Z8 Encore!™. All AC timing information assumes a standard load of 50pF on all outputs.
Table 102. 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 = 3.0 - 3.6V
T_A =-40⁰C to 105⁰C
Minimum Maximum Units Conditions
–
20.0 MHz Read-only from Flash memory.
0.032768 20.0
MHz Program or erasure of the Flash
memory.
1.0
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
PS017610-0404
Electrical Characteristics