ꢀ ꢁ ꢂ ꢃ ꢄꢅ ꢆ ꢇ ꢈꢉ ꢈꢀꢊ ꢀꢁ ꢂꢃ ꢄ ꢅ ꢆꢇ ꢈ ꢉ ꢋꢀꢊ ꢀꢁ ꢂꢃ ꢄ ꢅ ꢆꢇ ꢈ ꢉ ꢇ ꢀ
ꢌ ꢍ ꢎꢏ ꢐꢑꢒ ꢓꢍ ꢔ ꢀ ꢐꢍ ꢕ ꢍ ꢀꢖꢗ ꢂ ꢍ ꢕꢔ ꢖꢗ ꢒ ꢘꢓ ꢆꢏ ꢂꢂꢓ ꢘꢂ
SPRS226H − NOVEMBER 2003 − REVISED AUGUST 2005
INPUT AND OUTPUT CLOCKS (CONTINUED)
†‡§
switching characteristics over recommended operating conditions for CLKOUT4
(see Figure 17)
−600, −720
−850, −1G
CLKMODE = x1, x6,
x12, x20
NO.
PARAMETER
UNIT
MIN
MAX
175
1
2
3
4
t
t
t
t
Period jitter, CLKOUT4
0
ps
ns
ns
ns
J(CKO4)
w(CKO4H)
w(CKO4L)
t(CKO4)
Pulse duration, CLKOUT4 high
Pulse duration, CLKOUT4 low
Transition time, CLKOUT4
2P − 0.7
2P − 0.7
2P + 0.7
2P + 0.7
1
†
‡
§
The reference points for the rise and fall transitions are measured at V
OL
PH is the high period of CLKIN in ns and PL is the low period of CLKIN in ns.
P = 1/CPU clock frequency in nanoseconds (ns)
MAX and V MIN.
OH
1
4
2
CLKOUT4
3
4
Figure 17. CLKOUT4 Timing
†‡§
switching characteristics over recommended operating conditions for CLKOUT6
(see Figure 18)
−600, −720
−850, −1G
CLKMODE = x1, x6,
x12, x20
NO.
PARAMETER
UNIT
MIN
MAX
175
1
2
3
4
t
t
t
t
Period jitter, CLKOUT6
0
ps
ns
ns
ns
J(CKO6)
w(CKO6H)
w(CKO6L)
t(CKO6)
Pulse duration, CLKOUT6 high
Pulse duration, CLKOUT6 low
Transition time, CLKOUT6
3P − 0.7
3P − 0.7
3P + 0.7
3P + 0.7
1
†
‡
§
The reference points for the rise and fall transitions are measured at V
OL
PH is the high period of CLKIN in ns and PL is the low period of CLKIN in ns.
P = 1/CPU clock frequency in nanoseconds (ns)
MAX and V MIN.
OH
1
4
2
CLKOUT6
3
4
Figure 18. CLKOUT6 Timing
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