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74LVT573DB Datasheet PDF : 17 Pages
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11. Waveforms
74LVT573
3.3 V octal D-type transparent latch; 3-state
VI
LE input
0V
VOH
Qn output
VOL
VM
tWH
tWL
tPHL
VM
tPLH
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Fig 6.
Measurement points are given in Table 8.
Propagation delays latch enable input (LE) to
output (Qn), and latch enable (LE) pulse width
VI
Dn input
0V
VOH
Qn output
VOL
VM
tPHL
VM
tPLH
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Fig 7.
Measurement points are given in Table 8.
Propagation delay data input (Dn) to
output (Qn)
VI
OE input
0V
VOH
Qn output
0V
VM
VM
tPZH
VM
tPHZ
VY
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Fig 8.
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur
with the output load.
Output enable time to HIGH-state and output
disable time from HIGH-state
VI
OE input
0V
3.0 V
Qn output
VOL
VM
VM
tPZL
tPLZ
VM
VX
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Measurement points are given in Table 8.
Fig 9. Output enable time to LOW-state and output
disable time from LOW-state
VI
Dn input
0V
VI
LE input
0V
VM
tsu(L)
th(L)
VM
tsu(H)
th(H)
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Measurement points are given in Table 8.
Remark: The shaded areas indicate when the input is permitted to change for predictable output performance.
Fig 10. Data setup and hold times for data (Dn) and latch enable (LE) inputs
Table 8.
Input
VM
1.5 V
Measurement points
Output
VM
1.5 V
VX
VOL + 0.3 V
74LVT573
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 22 November 2011
VY
VOH 0.3 V
© Nexperia B.V. 2017. All rights reserved
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