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74LVC2T45GD датащи(PDF) 16 Page - NXP Semiconductors

номер детали 74LVC2T45GD
подробное описание детали  Dual supply translating transceiver; 3-state
PDF  36 Pages
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производитель  PHILIPS [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74LVC2T45GD датащи(HTML) 16 Page - NXP Semiconductors

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74LVC_LVCH2T45
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 4 — 20 August 2010
16 of 36
NXP Semiconductors
74LVC2T45; 74LVCH2T45
Dual supply translating transceiver; 3-state
[1]
VCCI is the supply voltage associated with the data input port.
[2]
VCCO is the supply voltage associated with the output port.
[1]
VCCI is the supply voltage associated with the data input port.
[2]
dV/dt
≥ 1.0 V/ns.
[3]
VCCO is the supply voltage associated with the output port.
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 +0.15V
VOH − 0.15 V
3.0 V to 5.5 V
0.5VCCI
0.5VCCO
VOL +0.3 V
VOH − 0.3 V
Test data is given in Table 15.
RL = Load resistance.
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance.
VEXT = External voltage for measuring switching times.
Fig 9.
Test circuit for measuring switching times
VM
VM
tW
tW
10 %
90 %
0 V
VI
VI
negative
pulse
positive
pulse
0 V
VM
VM
90 %
10 %
tf
tr
tr
tf
001aae331
VEXT
VCC
VI
VO
DUT
CL
RT
RL
RL
G
Table 15.
Test data
Supply voltage
Input
Load
VEXT
VCC(A), VCC(B)
VI[1]
Δt/ΔV[2]
CL
RL
tPLH, tPHL
tPZH, tPHZ
tPZL, tPLZ[3]
1.2 V to 5.5 V
VCCI
≤ 1.0ns/V
15pF
2 k
Ω
open
GND
2VCCO



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