mt8986al1 Zarlink Semiconductor, mt8986al1 Datasheet - Page 37

• Manufacturer Part Number: mt8986al1
• Description: Multiple Rate Digital Switch
• Manufacturer: Zarlink Semiconductor

AC Electrical Characteristics
unless otherwise stated.
† Timing is over recommended temperature & power supply voltages.
‡ Typical figures are at 25
* High Impedance is measured by pulling to the appropriate rail with R
10 WR pulse width (fast write)
11 WR delay after ALE falling
12 CS setup from WR
13 Data setup from WR (fast write)
14 Valid Data Delay on write
15 Data hold after WR inactive
16 Acknowledgement Delay:
17 Acknowledgement Hold Time
1 ALE pulse width
2 Address setup from ALE falling
3 Address hold from ALE falling
4 RD active after ALE falling
5 Data setup from DTA Low on Read
6 CS hold after RD/WR
7 RD pulse width (fast read)
8 CS setup from RD
9 Data hold after RD
(slow write)
Reading from Control & Mode Reg.
Reading/Writing Conn. Memories
Writing to Control & Mode Reg.
Characteristics
°
C and are for design aid only: not guaranteed and not subject to production testing.
Reading Data Memory
†
- Intel/National- HPC Multiplexed Bus Mode -
Sym.
t
t
Zarlink Semiconductor Inc.
t
t
t
t
t
t
t
t
ALWR
t
t
t
t
ALRD
CSRW
t
t
t
DHW
ALW
ADH
DDR
DHR
CSW
DSW
SWD
AKD
AKH
ADS
CSR
WW
RW
MT8986
L
, with timing corrected to cancel time taken to discharge C
Min.
37
20
10
10
10
90
10
8
9
9
0
0
0
8
300/370
Typ.
560
80
50
90
47
60
60
‡
730/800
Max.
1220
122
125
110
90
95
Voltages are with respect to ground (VSS)
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
C
C
C
C
L
L
L
L
=150 pF
=150 pF,R
=150 pF
=150 pF,R
Test Conditions
L
.
Data Sheet
L
L
=1 KΩ∗
=1 KΩ*