MT90840AP Zarlink, MT90840AP Datasheet - Page 59

• Manufacturer Part Number: MT90840AP
• Description: Switch Fabric 512 x 2430/512 x 512/2.373K x 2.373K 5V 84-Pin PLCC Tube
• Manufacturer: Zarlink

Specifications of MT90840AP

• Package: 84PLCC
• Number Of Ports: 16
• Fabric Size: 512 x 2430|512 x 512|2.373K x 2.373K
• Switch Core: Non-Blocking
• Port Speed: 8.192|4.096|2.048 Mbps
• Operating Supply Voltage: 5 V

AC Electrical Characteristics
otherwise stated.
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
AS pulse width
Address setup from AS falling
Address hold from AS falling
Data setup from DTA LOW on
read
CS hold after DS falling
CS setup from DS rising
Data setup on write
Data hold after write
DS Inactive to AS Falling Edge
R/W setup from DS rising
R/W hold after DS falling
Data hold after read
DS delay after AS falling
Acknowledgment hold time
Acknowledgment Delay:
Acknowledgment Delay:
Writing Registers
Reading Registers
Characteristics
†
- Motorola Multiplexed Bus Mode -
Sym.
t
t
akd-wr
akd-rd
t
t
t
t
t
t
t
t
t
t
t
t
t
t
dhw
asw
adh
dsw
ads
csh
css
dss
rws
rwh
dsh
akh
ddr
dhr
Zarlink Semiconductor Inc.
MT90840
Min.
10
10
23
10
15
15
5
5
0
0
0
0
5
5
0
59
Typ.
‡
Voltages are with respect to ground (V
Max.
22
30
20
32
41
73
85
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
C
30 pF on AD0-7.
C
C
C
R
C
C
C
C
Conditions/Notes
L
L
L
L
L
L
L
L
L
=150 pF on DTA,
=30 pF
=150 pF
=150 pF,
=1kW*
=30 pF
=150 pF
=30 pF
=150 pF
Test
Data Sheet
SS
) unless