ZL50022
Data Sheet
FPo0
CKo4
VCT
tCKP4
tCKH4
tCKL4
VCT
trCK4
tfCK4
Output Frame Boundary
Figure 46 - FPo4 and CKo4 Timing Diagram (1.544/2.048 MHz)
AC Electrical Characteristics† - CKo4 (1.544 MHz) Timing (Only when DPLL is active)
Characteristic
CKo4 Output Clock Period
CKo4 Output High Time
CKo4 Output Low Time
CKo4 Output Rise/Fall Time
Sym.
Min. Typ.‡ Max. Units
Notes
1
2
3
4
tCKP4
tCKH4
tCKL4
645
320
320
648
324
324
650
327
327
5
ns
ns
ns
ns
CL = 30 pF
t
rCK4, tfCK4
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
AC Electrical Characteristics† - CKo4 (2.048 MHz) Timing (Only when DPLL is active)
Characteristic
Sym.
Min. Typ.‡ Max. Units
Notes
1
2
3
4
CKo4 Output Clock Period
tCKP4
tCKH4
tCKL4
485
241
241
488
244
244
492
247
247
5
ns
ns
ns
ns
CL = 30 pF
CKo4 Output High Time
CKo4 Output Low Time
CKo4 Output Rise/Fall Time
t
rCK4, tfCK4
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
112
Zarlink Semiconductor Inc.
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