HCTL2000 Datasheet, PDF (3/19 Pages) Agilent(Hewlett-Packard) – Quadrature Decoder/Counter Interface ICs

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Table 3. DC Characteristics V_DD = 5 V ± 5%; T_A = -40 to 85°C
Symbol
Parameter
Condition
Min. Typ. Max. Unit
V_IL[2]
V_IH[2]
V_T+
Low-Level Input Voltage
High-Level Input Voltage
Schmitt-Trigger Positive-
Going Threshold
1.5
V
3.5
V
3.5 4.0
V
V_T-
Schmitt-Trigger Negative-
Going Threshold
1.0 1.5
V
V_H
I_IN
V_OH[2]
V_OL[2]
I_OZ
Schmitt-Trigger Hysteresis
Input Current
High-Level Output
Voltage
Low-Level Output
Voltage
High-Z Output Leakage
Current
V_IN = V_SS or V_DD
I_OH -1.6 mA
I_OL = +4.8 mA
V_O = V_SS or V_DD
1.0 2.0
V
-10 1 +10 µA
2.4 4.5
V
0.2 0.4
V
-10 1 +10 µA
I_DD
C_IN
C_OUT
Quiescent Supply Current
Input Capacitance
Output Capacitance
V_IN = V_SS or V_DD, V_O = HiZ
Any Input^[3]
Any Output^[3]
1
5
µA
5
pF
6
pF
Notes:
1. Free air.
2. In general, for any V_DD between the allowable limits (+4.5 V to +5.5 V), V_IL = 0.3 V_DD and V_IH = 0.7 V_DD; typical values are
V_OH = V_DD - 0.5 V @ I_OH = -40 µA and V_OL = V_SS + 0.2 V @ I_OL = 1.6 mA.
3. Including package capacitance.
Figure 1. Reset Waveform.
Figure 2. Waveform for Positive Clock Related Delays.