74ALVC125D 데이터 시트보기 (PDF) - Nexperia B.V. All rights reserved
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74ALVC125D Datasheet PDF : 13 Pages
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Nexperia
74ALVC125
Quad buffer/line driver; 3-state
Table 7. Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 8.
Symbol Parameter
Conditions
CPD
power dissipation
capacitance
per buffer; VI = GND to VCC; VCC = 3.3 V
outputs HIGH or LOW state
outputs 3-state
[1] Typical values are measured at Tamb = 25 °C
[2] tpd is the same as tPHL and tPLH.
ten is the same as tPZH and tPZL.
tdis is the same as tPHZ and tPLZ.
[3] CPD is used to determine the dynamic power dissipation (PD in µW).
PD = CPD × VCC2 × fi × N + Σ(CL × VCC2 × fo) where:
fi = input frequency in MHz; fo = output frequency in MHz
CL = output load capacitance in pF
VCC = supply voltage in Volts
N = number of inputs switching
Σ(CL × VCC2 × fo) = sum of the outputs
−40 °C to +85 °C
Unit
Min Typ[1] Max
[3]
-
27
- pF
-
5
- pF
11. Waveforms
VI
nA input
GND
VOH
nY output
VOL
VM
tPHL
VM
tPLH
mna230
Measurement points are given in Table 8.
VOL and VOH are the typical output voltage levels that occur with the output load.
Fig 6. Input nA to output nY propagation delay times
Table 8. Measurement points
Supply voltage
Input
VCC
1.65 V to 1.95 V
2.3 V to 2.7 V
2.7 V
VM
0.5VCC
0.5VCC
1.5 V
3.0 V to 3.6 V
1.5 V
Output
VM
0.5VCC
0.5VCC
1.5 V
1.5 V
VX
VOL + 0.15 V
VOL + 0.15 V
VOL + 0.3 V
VOL + 0.3 V
VY
VOH − 0.15 V
VOH − 0.15 V
VOH − 0.3 V
VOH − 0.3 V
74ALVC125_2
Product data sheet
Rev. 02 — 10 January 2008
© Nexperia B.V. 2017. All rights reserved
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