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參數(shù)資料
| 型號： | TLC193P |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DUAL MICROPOWER LinCMOSE VOLTAGE COMPARATOR |
| 中文描述： | 雙微功耗電壓比較LinCMOSE |
| 文件頁數(shù)： | 9/23頁 |
| 文件大?。?/td> | 354K |
| 代理商： | TLC193P |
TLC193, TLC393
DUAL MICROPOWER LinCMOS
VOLTAGE COMPARATOR
SLCS115D – DECEMBER 1986 – REVISED JANUARY 1999
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
Propagation delay 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. Propagation delay time, low-to-high-level output, is
measured from the leading edge of the input pulse, while propagation delay time, high-to-low-level output, is
measured from the trailing edge of the input pulse. Propagation delay 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.
DUT
VDD
CL
(see Note A)
Pulse
Generator
10
10 Turn
1 V
– 1 V
1 k
50
1
μ
F
0.1
μ
F
TEST CIRCUIT
100 mV
Input
Overdrive
50%
tPLH
100 mV
Input
Overdrive
90%
50%
10%
tf
tPHL
Low-to-High-
Level Output
High-to-Low-
Level Output
VOLTAGE WAVEFORMS
5.1 k
Input Offset Voltage
Compensation
Adjustment
90%
tr
10%
NOTE A: CL includes probe and jig capacitance.
Figure 3. Propagation Delay, Rise Time, and Fall Time Circuit and Voltage Waveforms
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