C167SR
AC Characteristics
External Clock Drive XTAL1
VCC = 5 V ± 10 %; VSS = 0 V
TA = 0 to + 70 ˚C for SAB-C167SR-LM
TA = – 40 to + 85 ˚C for SAF-C167SR-LM
TA = – 40 to + 125 ˚C for SAK-C167SR-LM
Parameter
Oscillator period
High time
Low time
Rise time
Fall time
Symbol Direct Drive 1:1
min.
max.
tOSC SR 50
t1 SR 23 1) 2)
t2 SR 23 1) 2)
t3 SR –
t4 SR –
1000
–
–
10 2)
10 2)
PLL 1:4
min.
max.
200
333
10
–
10
–
–
10 2)
–
10 2)
1) For temperatures above TA = +85 ˚C the minimum value for t1 and t2 is 25 ns.
2) The clock input signal must reach the defined levels VIL and VIH2.
Unit
ns
ns
ns
ns
ns
Figure 13
External Clock Drive XTAL1
Semiconductor Group
45