74AVC2T45GD datasheet(21/32 Pages) NXP

tên linh kiện	74AVC2T45GD

Giải thích chi tiết về linh kiện	Dual-bit, dual-supply voltage level translator/transceiver; 3-state

PDF	32 Pages

Scroll/Zoom	100%

nhà sản xuất	NXP [NXP Semiconductors]

Trang chủ	http://www.nxp.com

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21 / 32 page

74AVC2T45_4

Product data sheet

Rev. 04 — 5 May 2009

21 of 32

NXP Semiconductors

74AVC2T45

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

12. Waveforms

[1]

VCCI is the supply voltage associated with the data input port.

[2]

VCCO is the supply voltage associated with the output port.

Measurement points are given in Table 9.

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

Fig 6.

The data input (nA, nB) to output (nB, nA) propagation delay times

001aak114

nA, nB input

nB, nA output

tPLH

tPHL

GND

VOH

VOL

Measurement points are given in Table 9.

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

Fig 7.

Enable and disable times

001aae968

tPZL

tPZH

tPHZ

tPLZ

GND

VCCO

VOL

VOH

outputs

disabled

outputs

enabled

outputs

enabled

output

LOW-to-OFF

OFF-to-LOW

output

HIGH-to-OFF

OFF-to-HIGH

DIR input

Table 9.

Measurement points

Supply voltage

Input[1]

Output[2]

VCC(A), VCC(B)

1.1 V to 1.6 V

0.5VCCI

0.5VCCO

VOL + 0.1 V

VOH − 0.1 V

1.65 V to 2.7 V

0.5VCCI

0.5VCCO

VOL + 0.15 V

VOH − 0.15 V

3.0 V to 3.6 V

0.5VCCI

0.5VCCO

VOL + 0.3 V

VOH − 0.3 V

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