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TLC374CDG4 Datasheet(PDF) 9 Page - Texas Instruments

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Part No. TLC374CDG4
Description  LinCMOS QUADRUPLE DIFFERENTIAL COMPARATORS
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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TLC374CDG4 Datasheet(HTML) 9 Page - Texas Instruments

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TLC374, TLC374Q, TLC374Y
LinCMOS
 QUADRUPLE DIFFERENTIAL COMPARATORS
SLCS118C – NOVEMBER 1983 – REVISED MARCH 1999
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
Response time is defined as the interval between the application of an input step function and the instant when the
output reaches 50% of its maximum value. Response time, low-to-high-level output, is measured from the trailing
edge of the input pulse. Response-time measurement at low input signal levels can be greatly affected by the input
offset voltage. The offset voltage should be balanced by the adjustment at the inverting input (as shown in Figure 3)
so that the circuit is just at the transition point. Then a low signal, for example, 105-mV or 5-mV overdrive, causes
the output to change state.
50%
OUT
5.1 k
1
µF
VDD
Pulse Generator
CL
(see Note A)
50
1 k
0.1
µF
TEST CIRCUIT
10
10 Turn
1 V
– 1 V
Input
Offset Voltage
Compensation
Adjustment
VOLTAGE WAVEFORMS
tPLH
tr
10%
90%
100 mV
Overdrive
Input
Low-to-High-
Level Output
50%
tPLH
tf
10%
90%
100 mV
Overdrive
Input
High-to-Low-
Level Output
NOTE A: CL includes probe and jig capacitance.
Figure 3. Response, Rise, and Fall Times Test Circuit and Voltage Waveforms


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