MC145421 Datasheet, PDF (10/16 Pages) Motorola, Inc – ISDN Universal Digital Loop Transceivers II

EN1
EN2
DCLK
BCLK
1
VD
D1I, D2I
D1O, D2O
Tx
Rx
125 µs
SLIP
ABSORBED
89
16
1ST BIT
1ST BIT
B CHANNEL 1 OUTPUT
B CHANNEL 1 INPUT
2ND BIT
2ND BIT
B CHANNEL 2 OUTPUT
B CHANNEL 2 INPUT
Figure 2. MC145425 Slave ISDN UDLT Timing
Top Trace: MSI
Bottom Trace: Outgoing burst measured at LI (with respect to Vref)
Figure 3. Master Burst
MC145421•MC145425
10
MOTOROLA