MT9079 Mitel Semiconductor, MT9079 Datasheet - Page 47

• Manufacturer Part Number: MT9079
• Description: CMOS ST-BUS FAMILY Advanced Controller for E1
• Manufacturer: Mitel Semiconductor

AC Electrical Characteristics
CS
SCLK
RxD
(INPUT)
SIO
(OUTPUT)
CS
SCLK
SIO
(INPUT)
SIO
(OUTPUT)
1
2
3
4
5
6
7
8
Clock Pulse Width High
Clock Pulse Width Low
CS Setup
CS Hold
Write Setup
Write Hold
Output Delay
Active to High Z Delay
t
CSS
t
CSS
Characteristics
t
t
WS
WS
bit 0
bit 7
t
PWH
t
PWH
t
t
WH
WH
t
PWL
t
PWL
Figure 18 - Motorola Serial Microcontroller Timing
Figure 19 - Intel Serial Microcontroller Timing
-
Intel and Motorola Serial Microcontroller Timing
Sym
t
t
t
t
t
t
PWH
t
t
PWL
CSH
CSS
AZD
WH
WS
OD
bit 7
bit 0
Min
100
75
35
5
5
5
t
t
OD
OD
Typ
Max
bit 0
400
425
bit 7
55
30
bit 0
bit 7
Units
ns
ns
ns
ns
ns
ns
ns
ns
SCLK period = 500ns
SCLK period = 500ns
C
C
L
L
=150pF
=150pF, R
Conditions/Notes
t
CSH
bit 7
t
bit 0
t
AZD
AZD
t
bit 7
CSH
bit 0
L
MT9079
=1k
V
V
V
V
V
TT
V
V
TT
TT
V
V
4-283
TT,
CT
TT,
CT
TT
TT