MT8920B Mitel Networks Corporation, MT8920B Datasheet - Page 22

• Manufacturer Part Number: MT8920B
• Description: ISO-cmos St-bus Family St-bus Parallel Access Circuit
• Manufacturer: Mitel Networks Corporation

MT8920B
† Timing is over recommended temperature & power supply voltages.
‡ Typical figures are at 25 C, V
3-24
AC Electrical Characteristics
(V
10
CC
1
2
3
4
5
6
7
8
9
F0i
STo0
STo1
STi0
C4i
= 5.0V
Clock C4i Period
Clock C4i Period High
Clock C4i Period Low
C4i Rise Time
C4i Fall Time
Frame Pulse Setup Time
Frame Pulse Hold Time
STo0/1 Delay from C4i
STi0 Setup Time
STi0 Hold Time
5%, T
A
Characteristics
= -40 to 85 C)
CMOS
t
FPS
DD
=5V and are for design aid only: not guaranteed and not subject to production testing.
t
SOD
†
- ST-BUS Timing (see Figure 20)
Figure 20 - ST-BUS Timing Diagram
t
t
CLK
FPH
Sym
t
t
t
t
t
t
t
SOD
FPH
STH
CLK
t
STS
FPS
CH
t
CL
t
R
F
Bit Cell
Min
70
70
20
20
20
35
t
STS
Typ
244
122
122
‡
t
STH
t
CH
Max
100
20
12
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
CL
t
Load B
R
Test Conditions
t
F