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MT8979 Datasheet, PDF (22/34 Pages) Mitel Networks Corporation – ISO-CMOS ST-BUS™ FAMILY CEPT PCM 30/CRC-4 Framer & Interface
MT8979
Data Sheet
Absolute Maximum Ratings* - Voltages are with respect to ground (VSS) unless otherwise stated.
Parameter
Symbol
Min.
Max.
Units
1 Supply Voltage
VDD
-0.3
7
V
2 Voltage at Digital Inputs
VI
-0.3
VDD + 0.3
V
3 Current at Digital Inputs
II
30
mA
4 Voltage at Digital Outputs
VO
-0.3
VDD + 0.3
V
5 Current at Digital Outputs
IO
30
mA
6 Storage Temperature
TST
-65
150
°C
7 Package Power Dissipation
P
800
mW
* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
Recommended Operating Conditions - Voltages are with respect to ground (VSS) unless otherwise stated.
Characteristics
Sym. Min. Typ.‡ Max. Units
Test Conditions
1 Operating Temperature
TOP
-40
85
°C
2 Supply Voltage
VDD
4.5
5
5.5
V
3 Input Voltage High
VH
2.4
VDD
V For 400 mV noise margin
4 Input Voltage Low
VL
VSS
0.4
V For 400 mV noise margin
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
DC Electrical Characteristics† - Voltages are with respect to ground (VSS) unless otherwise stated.
Characteristics
Sym. Min. Typ.‡ Max. Units
Test Conditions
1 Power Dissipation
P
40
88 mW Outputs unloaded
2 Supply Current
IDD
8
16 mA Outputs unloaded
3 Input High Voltage
VIH
2.0
VDD
V
4 Input Low Voltage
VIL
0
0.8
V
5 Input Leakage
IIL
1
10
mA VI = 0 to VDD
6 Output High Voltage
VOH
2.4
VDD
V
IOH=7 mA @ VOH=2.4 V
7 Output High Current
IOH
7
20
mA Source VOH=2.4 V
8 Output Low Voltage
VOL
VSS
0.4
V
IOL=2 mA @ VOL= 0.4 V
9 Output Low Current
IOL
2
10
mA Sink VOL=0.4 V
10 High Impedance Leakage
IOZ
1
10
mA VO = 0 to VDD
† Characteristics are for clocked operation over the ranges of recommended operating temperature and supply voltage.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
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Zarlink Semiconductor Inc.