MT9085BPR Zarlink Semiconductor, Inc., MT9085BPR Datasheet - Page 14

• Manufacturer Part Number: MT9085BPR
• Description: 1024 Channels TDM (ST-BUS) to Parallel Bus Access Circuit (PAC)
• Manufacturer: Zarlink Semiconductor, Inc.

MT9085B
AC Electrical Characteristics
Voltages are with respect to Ground (V
† Timing is over recommended temperature & power supply voltages.
‡ Typical figures are at 25
AC Electrical Characteristics
Voltages are with respect to Ground (V
† Timing is over recommended temperature & power supply voltages.
‡ Typical figures are at 25
2-138
1
2
3
4
5
6
7
1
2
3
C16i
C4i
F0i
C16 Clock Period
C4 Clock Period
C16 Pulse Width Low
C16 Pulse Width High
C4 Setup Time
Frame Pulse Setup Time
Frame Pulse Hold Time
Frame Pulse Delay
C4 Clock Delay
C2 Clock Delay
C16i
F0o
C4o
C2o
Characteristics
Characteristics
°
°
C and are for design aid only: not guaranteed and not subject to production testing.
C and are for design aid only: not guaranteed and not subject to production testing.
t
t
Figure 13 - ST-BUS Frame Pulse and Clock Timing
Figure 14 - F0o, C4o and C2o Output Clock Timing
C4D
FPD
SS
SS
) unless otherwise stated.
) unless otherwise stated.
†
†
- Input Frame Pulse and Clock Timing (See Figure 13) -
- Output Clocks and Frame Pulse Timing (See Figure 14) -
Sym
t
t
t
t
t
t
Sym
FPD
C4D
C2D
t
t
t
t
C16P
C16H
C16L
FPH
C4P
C4S
FPS
t
C16P
Min
Min
219
-10
t
0
0
0
60
25
25
C4P
ST-BUS Frame Boundary
5
5
t
FPS
Typ
Typ
244
61
t
FPH
‡
‡
t
C4S
Max
31
28
Max
269
200
t
62
25
C4D
t
C2D
t
C16H
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
C16L
t
FPD
t
C
C
C
C4D
L
L
L
=85pF
=85pF
=85pF
Test Conditions
Test Conditions