NVT2002 datasheet(11/23 Pages) PHILIPS

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NVT2001_NVT2002

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Product data sheet

Rev. 2 — 26 October 2011

11 of 23

NXP Semiconductors

NVT2001; NVT2002

Bidirectional voltage level translator

11. Dynamic characteristics

11.1 Open-drain drivers

[1]

See graphs based on Ron typical and Cio(on) +CL =50pF.

Table 9.

Dynamic characteristics for open-drain drivers

Tamb = 40 Cto+85 C; VI(EN) =Vref(B); Rbias(ext) = 200 k; CVREFB =0.1 F; unless otherwise

specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Refer to Figure 12

tPLH

LOW to HIGH

propagation delay

from (input) Bn

to (output) An

[1]

Ron  (CL + Cio(on))ns

tPHL

HIGH to LOW

propagation delay

from (input) Bn

to (output) An

Ron  (CL + Cio(on))ns

Fig 10. AC test setup

Fig 11. Example of typical AC waveform

002aaf347

DUT

VREFB

VREFA

1.5 V

200 k

SIGNAL

GENERATOR

5.5 V

0.1

μF

1.5 V swing

50 pF

450

500

6.6 V

1 V/div

40 ns/div

002aaf348

GND

a. Load circuit

b. Timing diagram; high-impedance scope probe

used

S2 = translating down, and same voltage.

CL includes probe and jig capacitance.

All input pulses are supplied by generators having the following characteristics: PRR

 10 MHz; Z

o =50 ; tr  2ns; tf  2ns.

The outputs are measured one at a time, with one transition per measurement.

Fig 12. Load circuit for outputs

002aab845

VTT

S2 (open)

from output under test

002aab846

VIH

VIL

input

output

VOH

VOL

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