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MT8976 Datasheet, PDF (18/26 Pages) Mitel Networks Corporation – ISO-CMOS ST-BUS™ FAMILY T1/ESF Framer Circuit
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MT8976 ISO-CMOS
Absolute Maximum Ratings*
Parameter
Symbol
Min
Max
1 Power Supplies with respect to VSS
2 Voltage on any pin other than supplies
3 Current at any pin other than supplies
VDD
-0.3
7
VSS-0.3
VDD+0.3
40
4 Storage Temperature
TST
-55
125
5 Package Power Dissipation
P
800
* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
Units
V
V
mA
°C
mW
Recommended Operating Conditions - Voltages are with respect to ground (VSS) unless otherwise stated.
Characteristics
Sym Min Typ‡ Max Units
Test Conditions
1I
n
2p
u
3t
s
4
Operating Temperature
Power Supplies
Input High Voltage
Input Low Voltage
TOP -40
85
VDD 4.5 5.0 5.5
VIH
2.4
VDD
VIL
VSS
0.4
°C
V
V For 400 mV noise margin
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 - Clocked operation over recommended temperature ranges and power supply voltages.
Parameters
Sym Min Typ‡ Max Units
Test Conditions
1
Supply Current
IDD
6
10
mA Outputs Unloaded
2 I Input High Voltage
3
n
p
Input Low Voltage
4
u
t
Input Leakage Current
5 s Schmitt Trigger Input (XSt)
VIH 2.0
VIL
IIL
VT+
0.8
±1 ±10
4.0
V Digital Inputs
V Digital Inputs
µA Digital Inputs VIN=0 to VDD
V
VT-
1.5
V
6 O Output High Current
u
t
7p
u
t
Output Low Current
s
IOH
7
20
IOL
2
10
mA Source Current, VOH=2.4V
mA Sink Current, VOL=0.4V
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
AC Electrical Characteristics† - Capacitance
Characteristics
Sym Min Typ‡ Max Units
Test Conditions
1 Input Pin Capacitance
CI
10
pF
2 Output Pin Capacitance
CO
10
pF
† Timing is over recommended temperature & power supply voltages
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
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