74LVC2T45 datasheet(16/33 Pages) NEXPERIA

部件名	74LVC2T45

功能描述	Dual supply translating transceiver; 3-state

PDF	33 Pages

Scroll/Zoom	100%

制造商	NEXPERIA [Nexperia B.V. All rights reserved]

网页	https://www.nexperia.com/

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16 / 33 page

Nexperia

74LVC2T45; 74LVCH2T45

Dual supply translating transceiver; 3-state

10 %

90 %

0 V

negative

pulse

positive

pulse

0 V

90 %

10 %

001aae331

VEXT

VCC

DUT

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. 7. Test circuit for measuring switching times

Table 15. Test data

Supply voltage

Input

Load

VEXT

VCC(A), VCC(B)

VI [1]

Δt/ΔV [2]

tPLH, tPHL

tPZH, tPHZ

tPZL, tPLZ [3]

1.2 V to 5.5 V

VCCI

≤ 1.0 ns/V

15 pF

2 kΩ

open

GND

2VCCO

[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.

74LVC_LVCH2T45

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 12 — 1 March 2023

16 / 33

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