74AVC2T45GD datasheet(22/32 Pages) NXP

22 / 32 page

74AVC2T45_4

Product data sheet

Rev. 04 — 5 May 2009

22 of 32

NXP Semiconductors

74AVC2T45

Dual-bit, dual-supply voltage level translator/transceiver; 3-state

[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.

Test data is given in Table 10.

RL = Load resistance.

CL = Load capacitance including jig and probe capacitance.

RT = Termination resistance.

VEXT = External voltage for measuring switching times.

Fig 8.

Load circuitry for switching times

10 %

90 %

0 V

negative

pulse

positive

pulse

0 V

90 %

10 %

001aae331

VEXT

VCC

DUT

Table 10.

Test data

Supply voltage

Input

Load

VEXT

VCC(A), VCC(B)

VI[1]

∆t/∆V[2]

tPLH, tPHL

tPZH, tPHZ

tPZL, tPLZ[3]

1.1 V to 1.6 V

VCCI

≤ 1.0 ns/V

15 pF

2 k

Ω

open

GND

2VCCO

1.65 V to 2.7 V

VCCI

≤ 1.0 ns/V

15 pF

2 k

Ω

open

GND

2VCCO

3.0 V to 3.6 V

VCCI

≤ 1.0 ns/V

15 pF

2 k

Ω

open

GND

2VCCO

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