MT90863 Data Sheet
37
Zarlink Semiconductor Inc.
* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
AC Electrical Characteristics - Voltages are with respect to ground (V
ss
) unless otherwise stated.
Note:
1. Maximum leakage on pins (output or I/O pins in high impedance state) is over an applied voltage (V)
* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied
Absolute Maximum Ratings*
Parameter Symbol Min. Max. Units
1 Supply Voltage V
DD
-0.5 5.0 V
2 Input Voltage V
I
-0.5 V
DD
+0.5 V
3 Output Voltage V
o
-0.5 V
DD
+0.5 V
4 Package power dissipation P
D
2W
5 Storage temperature T
S
- 55 +125 C
Recommended Operating Conditions -
Voltages are with respect to ground (V
ss
) unless otherwise stated.
Characteristics Sym. Min. Typ. Max. Units Test Conditions
1 Operating Temperature T
OP
-40 +85 C
2 Positive Supply V
DD
3.0 3.6 V
3 Input High Voltage V
IH
0.7V
DD
V
DD
V
4 Input High Voltage on 5V Tolerant Inputs V
IH
5.5 V
5 Input Low Voltage V
IL
V
SS
0.3V
DD
V
Characteristics Sym. Min. Typ. Max. Units Test Conditions
1
I
N
P
U
T
S
Supply Current I
DD
52 85 mA Output unloaded
2 Input High Voltage V
IH
0.7V
DD
V
3 Input Low Voltage V
IL
0.3V
DD
V
4 Input Leakage (input pins)
Input Leakage (bi-directional pins)
I
IL
I
BL
10
50
A
A
0<VV
DD
See
Note 1
5 Input Pin Capacitance C
I
10 pF
6
O
U
T
P
U
T
S
Output High Voltage V
OH
0.8V
DD
VI
OH
= 10mA
7 Output Low Voltage V
OL
0.4 V I
OL
= 10mA
8 High Impedance Leakage I
OZ
5 A 0 < V < V
DD
See
Note 1
9 Output Pin Capacitance C
O
10 pF
AC Electrical Characteristics - Timing Parameter Measurement Voltage Levels
Characteristics Sym. Level Units Conditions
1 CMOS Threshold V
CT
0.5V
DD
V
2 Rise/Fall Threshold Voltage High V
HM
0.7V
DD
V
3 Rise/Fall Threshold Voltage Low V
LM
0.3V
DD
V
MT90863 Data Sheet
38
Zarlink Semiconductor Inc.
AC Electrical Characteristics
- Frame Pulse and CLK
Characteristic Sym. Min. Typ. Max. Units Notes
1 Frame pulse width
t
FPW
60 ns ST-BUS mode
2 Frame Pulse Setup time before
C16i
falling
t
FPS
10 ns
3 Frame Pulse Hold Time from C16i
falling
t
FPH
10 ns
4C16i
Period
t
CP
60 ns
5C16i
Pulse Width High
t
CH
30 ns ST-BUS, CT Bus
or HMVIP mode
6C16i
Pulse Width Low
t
CL
30 ns
7 Clock Rise/Fall Time
t
r
, t
f
10 ns
8 FPo Frame pulse output width
t
FPOW
244 ns
9 FPo Frame Pulse output setup
time before C4o
falling
t
FPOS
10 150 ns
10 FPo Frame Pulse output Hold
Time from C4o
falling
t
FPOH
20 10 150 ns
11 C4o
Period
t
C4OP
244 ns
12 C4o
Pulse Width High
t
C40H
122 ns
13 C4o
Pulse Width Low
t
C40L
122 ns
14 CT frame pulse width
t
CFPW
122 ns CT Bus mode
15 CT Frame Pulse Setup Time
before C8i rising
t
CFPS
45 90 ns
16 CT Frame Pulse Hold Time from
C8i rising
t
CFPH
45 90 ns
17 C8i Period
t
HCP
122 ns
18 C8i Pulse Width High
t
HCH
61 ns
19 C8i Pulse Width Low
t
HCL
61 ns
20 HMVIP frame pulse width
t
HFPW
244 ns HMVIP mode
21 Frame Pulse Setup Time before
C4i falling
t
HFPS
50 150 ns
22 Frame Pulse Hold Time from C4i
falling
t
HFPH
50 150 ns
23 C4i Period
t
HCP
244 ns
24 C4i Pulse Width High
t
HCH
122 ns
25 C4i Pulse Width Low
t
HCL
122 ns
26 C4i
/C8i Rise/Fall Time
t
Hr
, t
Hf
10 ns HMVIP or CT Bus mode
27 Delay between falling edge of
C4i
/C8i and rising edge of C16i
t
DIF
-10 10 ns
28 Delay between falling edge of C16i
and falling edge of C4o
t
DC4O
-10 10 ns
MT90863 Data Sheet
39
Zarlink Semiconductor Inc.
AC Electrical Characteristics
- Serial Streams for Backplane and Local Interfaces
Note:
1. High Impedance is measured by pulling to the appropriate rail with R
L
, with timing corrected to cancel time taken to discharge C
L
.
Figure 11 - ST-BUS Timing for Stream rate of 2.048, 4.096 or 8.192 Mb/s
Characteristic Sym. Min. Typ. Max. Units Test Conditions
1 STio/STi Set-up Time
t
SIS
0ns
2 STio/STi Hold Time
t
SIH
6ns
3 STo Delay - Active to Active
t
SOD
51632nsC
L
=200pF
4 STo delay - Active to High-Z
- High-Z to Active
t
ZD
35 ns R
L
=1K, C
L
=200pF, See Note 1
5 Output Driver Enable (ODE)
Delay
t
ODE
35 ns
F0i
t
FPiH
t
FPiS
V
TT
V
TT
F0o
C4o
4.096MHz
t
FPoW
t
FPoH
t
FPoS
t
C4L
t
C4H
t
DC4o
t
C4P
V
TT
C16i
STo/STio (8Mb/s)
STi/STio (8Mb/s)
t
SOD8
t
SIH8
t
CH
t
CP
t
SIS8
V
TT
V
TT
V
HM
V
LM
t
r
t
f
t
f
t
r
t
CL
V
TT
Bit 7, Ch 0
Bit 6, Ch 0 Bit 5, Ch 0
Bit 4, Ch 0
Bit 0, Ch 127
Bit 1, Ch 127
Bit 7, Ch 0
Bit 6, Ch 0 Bit 5, Ch 0
Bit 4, Ch 0
Bit 0, Ch 127
Bit 1, Ch 127
16.384MHz
V
TT
V
TT
STo/STio (2Mb/s)
STi/STio (2Mb/s)
Bit 7, Ch 0
Bit 0, Ch 31
t
SOD2
Bit 6, Ch 0
output
input
output
input
V
TT
V
TT
STio (4Mb/s)
STio (4Mb/s)
t
SIH4
t
SIS4
Bit 7, Ch 0Bit 0, Ch63
Bit 7, Ch 0
Bit 6, Ch 0
output
input
Bit 6, Ch 0
Bit 0, Ch 63
t
SOD4
t
SIH2
t
SIS2
Bit 7, Ch 0Bit 0, Ch 31
t
FPiW

MT90863AL1

Mfr. #:
Manufacturer:
Microchip / Microsemi
Description:
Digital Bus Switch ICs Pb Free RATE CONVERSION DIGITAL SWITCH
Lifecycle:
New from this manufacturer.
Delivery:
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