MT8920 Zarlink Semiconductor, MT8920 Datasheet - Page 23

• Manufacturer Part Number: MT8920
• Description: 32 Channels TDM (ST-BUS) to Parallel Bus Access Circuit
• Manufacturer: Zarlink Semiconductor

Data Sheet
OUTPUTS
INPUTS
CHANNEL
31
C
L
2.0 V
0.8 V
2.0 V
0.8 V
CHANNEL
LOAD A
0
Bit D
on
Data Bus
6.0k
7
Figure 21 - Format of 2048 kbit/s ST-BUS Streams
BIT 7
Figure 22 - Waveform Test Point Reference
IN4148
R
BIT 6
Figure 23 - Test Load Circuits
L
V
DD
BIT 5
125 µs
BIT 4
C
L
=150pF
(8/2.048) µs
LOAD B
BIT 3
CHANNEL
30
BIT 2
CHANNEL
BIT 1
31
BIT 0
C
L
=130pF
CHANNEL
Bit D
on
Data Bus
LOAD C
0
MT8920B
0
V
500Ω
DD
23