MT8985AP1 Zarlink Semiconductor, Inc., MT8985AP1 Datasheet - Page 15

• Manufacturer Part Number: MT8985AP1
• Description: 256 x 256 Channels (8 TDM Streams at 2.048 Mbps) Non-blocking Enhance Digital Switch (EDX) with Constant Delay Mode
• Manufacturer: Zarlink Semiconductor, Inc.

AC Electrical Characteristics
Voltages are with respect to ground (VSS) unless otherwise stated.
† Timing is over recommended temperature & power supply voltages (V
‡ Typical figures are at 25
C4i
STi
F0i
STo
1
2
3
4
5
6
7
8
9
C4i
F0i
STi/
STo
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
Clock Period
Pulse Width
Frame Width High
Frame Setup
Frame Hold
Data Delay/Clock Active to
Active
Serial Input Setup
Serial Input Hold
Clock Rise/Fall Time
t
r
Characteristics
Detail a
°
C and are for design aid only: not guaranteed and not subject to production testing.
t
f
See Detail a
†
t
DAA
- GCI Timing
t
F0iS
bit 0
t
Figure 14 - GCI Timing
CL
Sym
t
t
t
t
t
t
t
WFH
F0iS
F0iH
STiS
STiH
t
DAA
C4i
, t
r,
t
f
CH
t
t
t
F0iH
WFH
CL
Min
150
73
10
20
20
20
DD
=5V
t
bit 1
CH
t
Note: bit 0 identifies the first bit of the GCI frame
STiS
±
5%, V
Typ
244
122
244
45
t
STiH
SS
‡
=0V, T
A
Max
300
150
190
190
100
=–40 to 85
10
bit 2
°
Units
C).
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
C4i
C
Test Conditions
L
=150 pF
bit 3
MT8985
2-59