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MT8885 Datasheet, PDF (14/20 Pages) Mitel Networks Corporation – Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface
MT8885
Advance Information
Absolute Maximum Ratings*
Parameter
Symbol
Min
Max
Units
1 Power supply voltage VDD-VSS
VDD
6
2 Voltage on any pin
VI
VSS-0.3
VDD+0.3
3 Current at any pin (Except VDD and VSS)
10
4 Storage temperature
TST
-65
+150
5 Package power dissipation
PD
1000
* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
V
V
mA
°C
mW
Recommended Operating Conditions - Voltages are with respect to ground (VSS) unless otherwise stated.
Parameter
Sym
Min
Typ‡
Max Units Test Conditions
1 Positive power supply
VDD
4.75
5.00
5.25
V
2 Operating temperature
TO
-40
+85
°C
3 Crystal clock frequency
fCLK 3.575965 3.579545 3.583124 MHz
‡ Typical figures are at 25 °C and for design aid only: not guaranteed and not subject to production testing.
DC Electrical Characteristics† - VSS=0 V.
Characteristics
Sym Min Typ‡ Max Units
Test Conditions
1
Operating supply voltage
S
2 U Operating supply current
3
P Standby supply current
VDD 4.75 5.0 5.25
V
IDD
7.0 11 mA
25 µA
PWDN= VDD
4
I High level input voltage
N (OSC1)
5
P
U
Low level input voltage
T (OSC1)
6 S Steering threshold voltage
VIHO 3.5
VILO
1.5
VTSt 2.2 2.3 2.5
V Note 9*
V Note 9*
V VDD=5V
7
Low level output voltage
(OSC2)
O
8 U High level output voltage
T (OSC2)
9
P
U
Output leakage current
T (IRQ)
10 S VRef output voltage
11
VRef output resistance
VOLO
0.1
VOHO 4.9
IOZ
1
10
VRef 2.4 2.5 2.6
ROR
1.3
No load
V Note 9*
No load
V Note 9*
µA VOH=2.4 V
V No load, VDD=5V
kΩ
12 D Low level input voltage
i
13 g High level input voltage
14 i Input leakage current
t
a
l
VIL
VIH
2.0
IIZ
0.8
V
V
10
µA VIN=VSS to VDD
15 Data Source current
16 Bus Sink current
IOH -1.4 -6.6
IOL
2.0
4.0
mA VOH=2.4V
mA VOL=0.4V
17 ESt Source current
and
18 St/GT Sink current
IOH -0.5 -3.0
IOL
2
4
mA VOH=4.6V
mA VOL=0.4V
19 IRQ/ Sink current
CP
IOL
4
16
mA VOL=0.4V
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25 °C, VDD =5V and for design aid only: not guaranteed and not subject to production testing.
* See “Notes” following AC Electrical Characteristics Tables.
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