MT8920B Mitel Networks Corporation, MT8920B Datasheet - Page 16

• Manufacturer Part Number: MT8920B
• Description: ISO-cmos St-bus Family St-bus Parallel Access Circuit
• Manufacturer: Mitel Networks Corporation

MT8920B
* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
‡ Typical figures are at 25 C and are for design aid only: not guaranteed and not subject to production testing.
‡ Typical figures are at 25 C and are for design aid only: not guaranteed and not subject to production testing.
3-18
Absolute Maximum Ratings*
Recommended Operating Conditions
DC Electrical Characteristics
10
11
12
13
14
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
6
7
8
9
Supply Voltage
Voltage on any I/O pin
Current on any I/O pin
Storage Temperature
Package Power Dissipation
Supply Voltage
Input High Voltage
Input Low Voltage
Operating Temperature
Operating Clock Frequency
Supply Current
Input High Voltage
Input Low Voltage
Input Leakage Current
Input capacitance
Schmitt trigger input high (MMS)
Schmitt trigger input low (MMS)
Schmitt trigger hysteresis (MMS)
Output high current (except IRQ
Output low current (except IRQ)
IRQ, DTACK, BUSY Sink Current
Tristate Leakage A
(mode 3)
Open drain off-state current
IRQ, DTACK, BUSY
Output capacitance
Characteristics
Characteristics
CMOS
Parameter
4
Dynamic
-A
0
Static
, OE, WE
- Voltages are with respect to ground (V
- Voltages are with respect to ground (V
)
Sym
I
Sym
I
I
V
V
C
I
CCS
CCD
V
I
Cerdip
Plastic
V
f
V
V
V
I
I
OFF
C
V
T
OH
I
OL
OL
OZ
CK
DD
T+
IH
Z
IL
IN
IH
T-
H
O
IL
A
- Voltages are with respect to ground (V
4.75
Min
Min
2.0
3.8
0.8
2.4
-40
10
10
5
0
Symbol
4.096
Typ
Typ
V
T
3.0
2.0
1.0
I
P
P
10
15
10
15
5.0
25
I/O
5
DD
ST
1
1
D
D
‡
‡
SS
Max
SS
Max
5.25
V
0.8
1.0
10
10
15
0.4
85
10
10
20
) unless otherwise stated.
DD
) unless otherwise stated.
Min
-0.3
-0.3
-55
Units
Units
MHz
mA
mA
mA
mA
pF
pF
V
V
V
V
V
V
V
V
A
A
A
A
C
SS
) unless otherwise stated.
outputs unloaded
@f
V
V
V
V
V
V
V
V
V
for 400mV noise margin
for 400mV noise margin
DD
IN
OH
OL
OL
DD
OUT
DD
OUT
V
CK
=V
DD
=5.25V,
1000
Max
= 0.4V, V
= 0.4V, V
= 2.4V, V
= 5.25V
= 5.25V
Test Conditions
125
600
Test Conditions
7.0
= V
= V
25
= 4.096 MHz
SS
+ 0.3
to V
SS
DD
to V
DD
DD
DD
DD
DD
= 4.75V
= 4.75V
= 4.75V
Units
mW
mW
mA
V
V
C