MT8931CP Zarlink Semiconductor, MT8931CP Datasheet - Page 32

• Manufacturer Part Number: MT8931CP
• Description: Description = 4 Wire Full-duplex 2B+D (192Kb/s) Data Format Isdn S And T Subscriber Network Interface Circuit ;; Package Type = Pdip ;; No. Of Pins = 28
• Manufacturer: Zarlink Semiconductor

† Timing is over recommended temperature & power supply voltages
‡ Typical figures are at 25
AC Electrical Characteristics
32
F0b
C4b
F0od
DSTi
DSTo
HALF
10
12
13
11
1
2
3
4
5
6
7
8
9
F0b input pulse width
Frame pulse (F0b) set-up time
Frame pulse (F0b) hold time
C4b input clock period
C4b pulse width High or Low
C4b transition time
F0od delay
F0od pulse width
Serial input set-up time
Serial input hold time
Serial output delay
HALF input setup time
HALF input hold time
V
V
V
V
V
V
V
V
V
V
V
V
IH
IL
IH
IL
OH
OL
IH
IL
OH
OL
IH
IL
Characteristics
°
C and are for design aid only: not guaranteed and not subject to production testing.
t
t
HAS
FPS
t
FPW
t
C4T
t
SOD
t
HAH
t
FPH
Figure 22 - ST-BUS Timing NT Mode
†
- ST-BUS Timing NT Mode (Ref. Figure 22)
ST-BUS Bit Cell
Sym
t
t
t
t
t
t
t
t
t
t
t
t
t
FPW
C4W
DFW
SOD
FPH
DFD
HAS
HAH
FPS
C4T
P4o
SIH
SIS
Min
122
200
t
t
SIS
35
50
20
70
C4W
0
0
t
P4o
Typ
244
244
122
244
20
t
t
C4W
SIH
‡
Max
160
320
87
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
DFD
40 pF Load
50 pF load
50 pF load (HDLC
connected to ST-BUS)
Test Conditions
t
DFW
Data Sheet