74ALVT16827(2018) 데이터 시트보기 (PDF) - NXP Semiconductors.
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74ALVT16827 Datasheet PDF : 14 Pages
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Nexperia
74ALVT16827
20-bit buffer/line driver; non-inverting; 3-state
Symbol Parameter
tPZH
OFF-state to HIGH propagation delay
tPZL
OFF-state to LOW propagation delay
tPHZ
HIGH to OFF-state propagation delay
tPLZ
LOW to OFF-state propagation delay
Conditions
nOEn to nYn; see Figure 6
nOEn to nYn; see Figure 6
nOEn to nYn; see Figure 6
nOEn to nYn; see Figure 6
[1] All typical values for VCC = 2.5 V ± 0.2 V are measured at VCC = 2.5 V and Tamb = 25 °C.
All typical values for VCC = 3.3 V ± 0.3 V are measured at VCC = 3.3 V and Tamb = 25 °C.
Min
Typ[1]
Max Unit
1.6
2.6
3.8 ns
1.4
2.3
3.2 ns
2.3
3.2
4.8 ns
1.5
2.5
3.8 ns
10.1 Waveforms and test circuit
VI
nAn input
VM
VM
GND
VOH
tPLH
tPHL
nYn output
VM
VM
VOL
mna171
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Figure 5. Input (nAn) to output (nYn) propagation delays
VI
nOEn input
VM
VM
GND
3.0 V or VCC
output
LOW-to-OFF
OFF-to-LOW
VOL
output
VOH
HIGH-to-OFF
OFF-to-HIGH
GND
tPLZ
tPZL
tPHZ
VX
VY
outputs
enabled
VM
tPZH
outputs
disabled
VM
outputs
enabled
aaa-028099
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Figure 6. The 3-state output enable and disable times
Table 8. Measurement points
VCC
Input
VI
VCC ≤ 2.7 V
VCC
VCC ≥ 3.0 V
3.0 V
74ALVT16827
Product data sheet
VM
0.5 x VCC
1.5 V
Output
VM
0.5 x VCC
1.5 V
VX
VOL + 0.15 V
VOL + 0.3 V
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 24 January 2018
VY
VOH - 0.15 V
VOH - 0.3 V
© Nexperia B.V. 2018. All rights reserved.
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