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| MT90812 Datasheet, PDF (96/105 Pages) Mitel Networks Corporation – Integrated Digital Switch (IDX) | |||
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MT90812
24.4 HRA Timing
Advance Information
VH
F82
VL
tFPis tFPih
VTT
VH
C82
VL
VTT
F4o1
VCT
tC4od
C4o1
VCT
tC2od
C2o1
TEOP2
VH
VL
tTEOPs tTEOPh
tTXCENP
VCT
VTT
tTXCENP
TxCEN1
REOP2
VH
VL
tREOPs tREOPh
tRXCENP
VCT
VTT
tRXCENP
RxCEN1
VCT
VH
DPER2
VTT
VL
tSTo1P
tSTo1P
STo11,3
VCT
Figure 47 - The HDLC Controller Related Signals
Notes: 1. CMOS output 2. TTL input 3. Refer to STo1 output delay parameters.
AC Electrical Characteristics - HRA Timing
Characteristics
Sym
Min
TEOP Setup time
tTEOPS
0
TEOP Hold time
tTEOPH
20
TxCEN Propagation delay
tTxCENP
REOP Setup time
tREOPS
0
REOP Hold time
tREOPH
20
RxCEN propagation delay
tRxCENP
DPER to STo1 Propagation delay
tSTo1P
â See "Notes" following AC Electrical Characteristics tables.
Max Units Test Conditionsâ
450
ns 9
450
ns 9
70
ns 3, 9
450
ns 9
450
ns 9
70
ns 3, 9
65
ns 3
92
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