MT8952B-1 Datasheet, PDF (17/27 Pages) Mitel Networks Corporation – ISO-CMOS ST-BUS™ FAMILY HDLC Protocol Controller

ISO-CMOS MT8952B
Absolute Maximum Ratings*
Parameter
Symbol
Min
Max
Units
1 Supply voltage
V_DD
-0.3
7.0
V
2 Voltage on any pin (other than supply pins)
V_I
V_SS-0.3
V_DD+0.3
V
3 Current on any pin (other than supply pins)
I_I / I_O
±25
mA
4 DC Supply or ground current
I_DD / I_SS
±50
mA
5 Storage temperature
T_ST
-65
150
°C
6 Package power dissipation
Plastic
P_D
0.6
W
* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
Recommended Operating Conditions - Voltages are with respect to ground (V_SS) unless otherwise stated.
Characteristics
Sym Min Typ^‡ Max Units
Test Conditions
1 Supply Voltage
2 Input HIGH voltage
V_DD 4.75 5.0 5.25
V_IH
2.4
V_DD
V
V For a Noise Margin of 400
mV
3 Input LOW voltage
V_IL
V_SS
0.4
V For a Noise Margin of 400
mV
4 Frequency of operation
f_CL
5.0 MHz When clock input is at twice
the bit rate.
5 Operating temperature
T_A
-40
25
85
°C
‡ 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.
V_DD=5V±5%, V_SS=0V, T_A=-40 to 85°C.
Characteristics
Sym Min Typ^‡ Max Units
Test Conditions
1
Supply Current (Quiescent)
I_DD
1
10
µA Outputs unloaded and
clock input (CKi) grounded
2
Supply current (Operational)
3
Input HIGH voltage
4
Input LOW voltage
5
Input leakage current
6
I
N
Input capacitance
7 P HIGH switching point for
U Schmitt Trigger (RST) input
8 ^T LOW switching point for
Schmitt Trigger (RST) input
I_DD
0.4 1.0
V_IH 2.0
V_IL
0.8
I_IZ
10
C_in
10
V_T+
4.0
V_T-
1.0
mA *See below
V
V
µA
pF
V
V
9
Hysteresis on Schmitt Trigger V_H
0.5
V
(RST) input
10 O Output HIGH current (on all
U the outputs except IRQ)
I_OH
-5
-16
mA V_OH=2.4 V
11
T
P
U
Output LOW current (on all
the outputs including IRQ)
I_OL
5
10
mA V_OL=0.4 V
12 _T Output capacitance
C_o
15
pF
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
* Outputs unloaded. Input pins 12 and 25 clocked at 2048 kHz. All other inputs at V_SS.
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