SAB80C166W Datasheet, PDF (65/67 Pages) Siemens Semiconductor Group – C16x-Family of High-Performance CMOS 16-Bit Microcontrollers

SAB 80C166W/83C166W
AC Characteristics (cont’d)
External Bus Arbitration
V_CC = 5 V ± 10 %; V_SS = 0 V
T_A = 0 to + 70 ˚C for SAB 83C166W-5M, SAB 80C166W/83C166W-M
T_A = – 40 to + 85 ˚C for SAB 83C166W-5M-T3, SAB 80C166W/83C166W-M-T3
T_A = – 40 to + 110 ˚C for SAB 83C166W-5M-T4, SAB 80C166W/83C166W-M-T4
C_L (for Port 0, Port 1, Port 4, ALE, RD, WR, BHE, CLKOUT) = 100 pF
Parameter
Symbol CPU Clock = 16 MHz Variable CPU Clock Unit
Duty cycle 0.4 to 0.6
1/T_CLP = 1 to 20 MHz
min.
max.
min.
max.
HOLD input setup time t₆₁ SR 20
–
20
–
ns
to CLKOUT
CLKOUT to HLDA high
or BREQ low delay
t₆₂ CC –
50
–
50
ns
CLKOUT to HLDA low
or BREQ high delay
t₆₃ CC –
60
–
60
ns
Other signals release
Other signals drive
t₆₆ CC _–
t₆₇ CC _–
25
–
60
–
25
ns
60
ns
Semiconductor Group
65