Datasheet

74HC_HCT240_3 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 03 — 2 August 2007 2 of 18
NXP Semiconductors
74HC240; 74HCT240
Octal buffer/line driver; 3-state; inverting
4. 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
2
4
6
8
1
1Y0
1Y1
18
16
14
12
1Y2
1Y3
1OE
2A3
2A2
2A1
2A0
17
15
13
11
19
2Y0
2Y1
3
5
7
9
2Y2
2Y3
2OE
12
14
2
4
6
8
18
16
1
EN
mgu778
3
5
11
13
15
17
9
7
19
EN
1A3
1A2
1A1
1A0
2
4
6
8
1
1Y0
1Y1
18
16
14
12
1Y2
1Y3
1OE
mgu780
2A3
2A2
2A1
2A0
17
15
13
11
19
2Y0
2Y1
3
5
7
9
2Y2
2Y3
2OE