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CD74HC533 Datasheet(PDF) 8 Page - Texas Instruments

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Part No. CD74HC533
Description  High Speed CMOS Logic Octal Inverting Transparent Latch, Three-State Outputs
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD74HC533 Datasheet(HTML) 8 Page - Texas Instruments

   
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8
FIGURE 7. HC THREE-STATE PROPAGATION DELAY
WAVEFORM
FIGURE 8. HCT THREE-STATE PROPAGATION DELAY
WAVEFORM
NOTE:
Open drain waveforms tPLZ and tPZL are the same as those for three-state shown on the left. The test circuit is Output RL =1kΩ to
VCC, CL = 50pF.
FIGURE 9. HC AND HCT THREE-STATE PROPAGATION DELAY TEST CIRCUIT
Test Circuits and Waveforms (Continued)
50%
10%
90%
GND
VCC
10%
90%
50%
50%
OUTPUT
DISABLE
OUTPUT LOW
TO OFF
OUTPUT HIGH
TO OFF
OUTPUTS
ENABLED
OUTPUTS
DISABLED
OUTPUTS
ENABLED
6ns
6ns
tPZH
tPHZ
tPZL
tPLZ
0.3
2.7
GND
3V
10%
90%
1.3V
1.3V
OUTPUT
DISABLE
OUTPUT LOW
TO OFF
OUTPUT HIGH
TO OFF
OUTPUTS
ENABLED
OUTPUTS
DISABLED
OUTPUTS
ENABLED
tr
6ns
tPZH
tPHZ
tPZL
tPLZ
6ns
tf
1.3
IC WITH
THREE-
STATE
OUTPUT
OTHER
INPUTS
TIED HIGH
OR LOW
OUTPUT
DISABLE
VCC FOR tPLZ AND tPZL
GND FOR tPHZ AND tPZH
OUTPUT
RL = 1kΩ
CL
50pF
CD74HC533, CD74HCT533, CD74HC563, CD74HCT563


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