C167CR
AC Characteristics
External Bus Arbitration
VCC = 5 V ± 10 %;
VSS = 0 V
TA = 0 to + 70 ˚C
for SAB-C167CR-LM
TA = – 40 to + 85 ˚C for SAF-C167CR-LM
TA = – 40 to + 125 ˚C for SAK-C167CR-LM
CL (for PORT0, PORT1, Port 4, ALE, RD, WR, BHE, CLKOUT) = 100 pF
CL (for Port 6, CS) = 100 pF
Parameter
Symbol
Max. CPU Clock
= 20 MHz
Variable CPU Clock
1/2TCL = 1 to 20 MHz
Unit
min.
max.
min.
max.
HOLD input setup time
to CLKOUT
t61 SR 20
–
20
–
ns
ns
ns
CLKOUT to HLDA high
or BREQ low delay
t62 CC
t63 CC
–
–
20
20
–
20
20
CLKOUT to HLDA low
or BREQ high delay
–
CSx release
t64 CC
t65 CC
–
20
25
20
25
–
20
25
20
25
ns
ns
ns
ns
CSx drive
– 5
–
– 5
–
t66 CC
t67 CC
Other signals release
Other signals drive
– 5
– 5
Semiconductor Group
62
INFINEON [ Infineon ]
