74LVT126D 查看數據表（PDF） - Philips Electronics

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74LVT126D

3.3 V quad buffer; 3-state

Philips Electronics 

Philips Semiconductors

Table 8: Dynamic characteristics …continued

GND = 0 V; tr = tf = 2.5 ns; CL = 50 pF; RL = 500 Ω; for test circuit see Figure 7.

Symbol Parameter

Conditions

tPHZ

output disable time nOE to nY

tPLZ

output disable time nOE to nY

VCC = 2.7 V

VCC = 3.3 V ± 0.3 V

VCC = 2.7 V

VCC = 3.3 V ± 0.3 V

[1] Typical values are at VCC = 3.3 V and Tamb = 25 °C.

12. Waveforms

74LVT126

3.3 V quad buffer; 3-state

Min Typ Max Unit

-

-

4.3 ns

1.0 2.2 3.8 ns

-

-

6.1 ns

1.3 3.6 5.5 ns

VI

nA input

GND

VOH

tPLH

nY output

VOL

VM

VM

VM

tPHL

VM

mnb072

Fig 5.

VM = 1.5 V.

VOL and VOH are typical voltage output drop that occur with the output load.

Propagation delay input (nA) to output (nY)

VI

nOE input

GND

3.5 V

nY output

VOL

VOH

nY output

0V

VM

t PZL

VM

t PZH

VM

t PLZ

VOL + 0.3 V

t PHZ

VOH − 0.3 V

001aac486

Fig 6.

VM = 1.5 V.

VOL and VOH are typical voltage output drop that occur with the output load.

Enable and disable times of 3-state outputs

9397 750 14553

Product data sheet

Rev. 04 — 11 February 2005

© Koninklijke Philips Electronics N.V. 2005. All rights reserved.

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