SAB80C166W Datasheet, PDF (51/67 Pages) Siemens Semiconductor Group – C16x-Family of High-Performance CMOS 16-Bit Microcontrollers

SAB 80C166W/83C166W
AC Characteristics (cont’d)
Multiplexed Bus
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
ALE cycle time = 6 T_CL (150 ns at 20-MHz CPU clock)
Parameter
ALE high time
Address setup to ALE
Address hold after ALE
ALE falling edge to RD,
WR (with RW-delay)
ALE falling edge to RD,
WR (no RW-delay)
Address float after RD,
WR (with RW-delay)
Address float after RD,
WR (no RW-delay)
RD, WR low time
(with RW-delay)
RD WR low time
(no RW-delay)
RD to valid data in
(with RW-delay)
RD to valid data in
(no RW-delay)
ALE low to valid data in
Address to valid data in
Data hold after RD
rising edge
Symbol CPU Clock = 16 MHz Variable CPU Clock
Duty cycle 0.4 to 0.6
1/T_CLP = 1 to 20 MHz
min.
max.
min.
max.
t₅ CC 15 + t_A
–
t₆ CC 10 + t_A
–
t₇ CC 15 + t_A
–
t₈ CC 15 + t_A
–
t₉ CC -10 + t_A –
T_CLmin - 10 –
+ t_A
T_CLmin - 15
–
+ t_A
T_CLmin - 10
–
+ t_A
T_CLmin - 10
–
+ t_A
-10 + t_A
–
Unit
ns
ns
ns
ns
ns
t₁₀ CC –
5
–
5
ns
t₁₁ CC –
42.5
–
T_CLmax + 5
ns
t₁₂ CC 52.5 + t_C
t₁₃ CC 77.5 + t_C
t₁₄ SR –
t₁₅ SR –
t₁₆ SR –
t₁₇ SR –
t₁₈ SR 0
–
–
47.5 + t_C
72.5 + t_C
72.5
+ t_A + t_C
100
+ 2t_A + t_C
–
T_CLP - 10
–
ns
+ t_C
T_CLP + T_CLmin –
ns
- 10 + t_C
–
T_CLP - 20
ns
+ t_C
–
T_CLP + T_CLmin ns
- 20 + t_C
–
T_CLP + T_CLmin ns
- 20 + t_C
–
2T_CLP - 25
ns
+ 2t_A + t_C
0
–
ns
Semiconductor Group
51