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74LVC2T45DC датащи(PDF) 15 Page - Nexperia B.V. All rights reserved

номер детали 74LVC2T45DC
подробное описание детали  Dual supply translating transceiver; 3-state
PDF  33 Pages
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производитель  NEXPERIA [Nexperia B.V. All rights reserved]
домашняя страница  https://www.nexperia.com/
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74LVC2T45DC датащи(HTML) 15 Page - Nexperia B.V. All rights reserved

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Nexperia
74LVC2T45; 74LVCH2T45
Dual supply translating transceiver; 3-state
11.1. Waveforms and test circuit
001aaj644
nA, nB input
nB, nA output
tPLH
tPHL
GND
VI
VOH
VM
VM
VOL
Measurement points are given in Table 14.
VOL and VOH are typical output voltage levels that occur with the output load.
Fig. 5. The data input (A, B) to output (B, A) propagation delay times
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tPZL
tPZH
tPHZ
tPLZ
GND
GND
VI
VCCO
VOL
VOH
VM
VM
VM
VX
VY
outputs
disabled
outputs
enabled
outputs
enabled
output
LOW-to-OFF
OFF-to-LOW
output
HIGH-to-OFF
OFF-to-HIGH
DIR input
Measurement points are given in Table 14.
VOL and VOH are typical output voltage levels that occur with the output load.
Fig. 6. Enable and disable times
Table 14. Measurement points
Supply voltage
Input [1]
Output [2]
VCC(A), VCC(B)
VM
VM
VX
VY
1.2 V to 1.6 V
0.5VCCI
0.5VCCO
VOL + 0.1 V
VOH - 0.1 V
1.65 V to 2.7 V
0.5VCCI
0.5VCCO
VOL + 0.15 V
VOH - 0.15 V
3.0 V to 5.5 V
0.5VCCI
0.5VCCO
VOL + 0.3 V
VOH - 0.3 V
[1] VCCI is the supply voltage associated with the data input port.
[2] VCCO is the supply voltage associated with the output port.
74LVC_LVCH2T45
All information provided in this document is subject to legal disclaimers.
© Nexperia B.V. 2023. All rights reserved
Product data sheet
Rev. 12 — 1 March 2023
15 / 33



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