74HCT240 datasheet(2/18 Pages) SYC

2 / 18 page

74HC_HCT240_3

Product data sheet

Rev. 03 — 2 August 2007

2 of 18

NXP Semiconductors

74HC240; 74HCT240

Octal buffer/line driver; 3-state; inverting

Functional diagram

74HCT240D

−40 °C to +125 °C

SO20

plastic small outline package; 20 leads;

body width 7.5 mm

SOT163-1

74HCT240DB

−40 °C to +125 °C

SSOP20

plastic shrink small outline package; 20 leads;

body width 5.3 mm

SOT339-1

74HCT240PW

−40 °C to +125 °C

TSSOP20

plastic thin shrink small outline package; 20 leads;

body width 4.4 mm

SOT360-1

74HCT240BQ

−40 °C to +125 °C

DHVQFN20

plastic dual-in-line compatible thermal enhanced

very thin quad ﬂat package; no leads; 20 terminals;

body 2.5

× 4.5 × 0.85 mm

SOT764-1

Table 1.

Ordering information …continued

Type number

Package

Temperature range

Name

Description

Version

Fig 1.

Logic symbol

Fig 2.

IEC logic symbol

Fig 3.

Functional diagram

mgu779

1A3

1A2

1A1

1A0

1Y0

1Y1

1Y2

1Y3

1OE

2A3

2A2

2A1

2A0

2Y0

2Y1

2Y2

2Y3

2OE

mgu778

1A3

1A2

1A1

1A0

1Y0

1Y1

1Y2

1Y3

1OE

mgu780

2A3

2A2

2A1

2A0

2Y0

2Y1

2Y2

2Y3

2OE

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