mt9079apr1 Zarlink Semiconductor, mt9079apr1 Datasheet - Page 61

• Manufacturer Part Number: mt9079apr1
• Description: Advanced Controller For E1
• Manufacturer: Zarlink Semiconductor

AC Electrical Characteristics
Notes:
1. High impedance is measured by pulling to the appropriate rail with R
2. Outputs are compatible with both CMOS and TTL logic levels.
3. DS and CS may be connected together.
4. t
10
12
11
(V
1
2
3
4
5
6
7
8
9
DAZ
CT
=0.5V
is measured with respect to the raising edge of DS or CS, whichever occurs first.
DS low
DS High
CS Setup
R/W Setup
Address Setup
CS Hold
R/W Hold
Address Hold
Data Delay Read
Data Active to High Z Delay
Data Setup Write
Data Hold Write
DD
) and TTL (V
Characteristics
TT
=1.5V) references and the worst case value is specified.
-
Microprocessor Timing
Sym.
Zarlink Semiconductor Inc.
t
t
t
t
t
t
t
t
t
t
t
t
RWH
DSW
DHW
RWS
DSH
CSS
ADS
CSH
ADH
DDR
DAZ
DSL
MT9079
Min.
70
50
25
61
0
5
5
0
0
0
5
L
. Timing is corrected to cancel time taken to discharge C
Timing parameters are measured with respect to both CMOS
Typ.
Max.
120
50
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
See Note 3
See Note 3
C
See Note 2
C
See Notes 1, 2 & 4
L
L
=150pF, R
=150pF, R
Conditions/Notes
L
L
Data Sheet
=1k
=1k
L
.