MTC-20280
ISDN/IDSL Terminal Controller
Electrical Characteristics
The I/O pin type as well as the rated
buffer current is given in the pin
description section; note also that
some inputs are Schmitt Trigger inputs.
TTL DC Electrical Characteristics (1):
(see pin description section and special notes on 5V tolerant pins)
Symbol
Parameter
Conditions
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
VOH
High Level Output Voltage
Ioh=rated
buffer current
VOL
Low Level Output Voltage
Iol=rated
buffer current
Vt+
Schmitt trigger rising threshold
Vt-
Schmitt trigger falling threshold
CIN
Input Capacitance, all inputs
COUT
Load Capacitance, all outputs
Min
2.0
Max
0.8
Unit
V
V
V
2.4
0.4
1.9
1.3
1
100
1.3
0.8
V
V
V
pF
pF
CMOS DC Electrical Characteristics (1):
(see pin description section and special notes on 5V tolerant pins)
Symbol
Parameter
Conditions
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
VOH
High Level Output Voltage
Ioh=rated
buffer current
VOL
Low Level Output Voltage
Iol=rated
buffer current
Vt+
Schmitt trigger rising threshold
Vt-
Schmitt trigger falling threshold
CIN
Input Capacitance, all inputs
COUT
Load Capacitance, all outputs
Min
80% of VDD
Max
20% of VDD
Unit
V
V
V
85% of VDD
0.4
2.5
1.3
1
100
1.8
0.8
V
V
V
pF
pF
(1) Rated for Vdd=2.7V to 3.6V and ambient temperature from 0 to +20 °C for C-version, -40°C to +85°C for I-version.
4
AMI [ AMI SEMICONDUCTOR ]
