MT8910 Zarlink Semiconductor, MT8910 Datasheet - Page 25

• Manufacturer Part Number: MT8910
• Description: Digital Subscriber Line Interface Circuit
• Manufacturer: Zarlink Semiconductor

MT8910-1
† Timing is over recommended temperature & power supply voltages.
‡ Typical figures are at 25 C and are for design aid only: not guaranteed and not subject to production testing.
Note
9-26
AC Electrical Characteristics
F0b
C4b
SFb
F0od
DSTi/
CDSTi
DSTo/
CDSTo
10
11
12
1
2
3
4
5
6
7
8
9
F0b Input Pulse Width
Frame Pulse (F0b) Setup Time
Frame Pulse (F0b) Hold Time
C4b Input Clock Period
C4b Pulse Width High or Low
Superframe Setup Time
Superframe Hold Time
F0od Delay
F0od Pulse Width
Serial Input Setup Time
Serial Input Hold Time
Serial Output Delay
1) These timing parameters are mode independent (NT or LT).
2) Tested @ 5V, 25 C only.
V
V
V
V
V
V
V
V
V
V
V
V
IH
IL
IH
IL
IH
IL
OH
OL
IH
IL
OH
OL
BIT 0, CHANNEL 31
Characteristics
t
SFS
t
FPS
High Z to Act
Act to High Z
t
Act to Act
FPW
t
DZA
t
FPH
t
SFH
†
- ST-BUS Timing LT Mode (Ref. Figure 16)
Figure 16 - ST-BUS Timing LT Mode
BIT 7, CHANNEL 0
Sym
t
t
t
t
t
t
t
t
t
t
t
t
FPW
C4W
DFW
t
t
DFD
DAA
FPS
FPH
SFS
SFH
DZA
DAZ
SIS
SIH
P4i
Min
50
50
50
50
30
50
t
C4W
t
SIS
t
Typ
P4i
244
244
122
244
‡
t
t
C4W
SIH
t
DAA
Max
120
120
120
60
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(see Note 2)
(see Note 2)
(see Note 2)
(see Note 2)
150 pF Load (see Notes 1 & 2)
150 pF Load (see Note 1)
(see Notes 1 & 2)
(see Notes 1 & 2)
150 pF Load (see Notes 1 & 2)
150 pF Load (see Notes 1 & 2)
150 pF Load (see Notes 1 & 2)
t
DFD
Test Conditions
t
DAZ
t
DFW
t
DFD