74HC240N NXP Semiconductors, 74HC240N Datasheet - Page 2

• Manufacturer Part Number: 74HC240N
• Description: Buffer/Line Driver 8-CH Inverting 3-ST CMOS 20-Pin PDIP Bulk
• Manufacturer: NXP Semiconductors

Specifications of 74HC240N

• Package: 20PDIP
• Logic Family: HC
• Logic Function: Buffer/Line Driver
• Number Of Outputs Per Chip: 8
• Output Type: 3-State
• Input Signal Type: Single-Ended
• Maximum Propagation Delay Time @ Maximum Cl: 100@2V|20@4.5V|17@6V ns
• Polarity: Inverting
• Logic Device Type: Buffer/Line Driver, Inverting
• Supply Voltage Range: 2V To 6V
• Logic Case Style: DIP
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +125°C
• No. Of Circuits: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
Table 1.
4. Functional diagram
74HC_HCT240_3
Product data sheet
Type number
74HCT240D
74HCT240DB
74HCT240PW
74HCT240BQ
Fig 1. Logic symbol
17
15
13
11
19
2
4
6
8
1
1OE
2OE
1A0
2A0
1A1
2A1
1A2
2A2
1A3
2A3
Ordering information
Package
Temperature range Name
40 C to +125 C
40 C to +125 C
40 C to +125 C
40 C to +125 C
1Y0
2Y0
1Y1
2Y1
1Y2
2Y2
1Y3
2Y3
mgu779
18
16
14
12
3
5
7
9
…continued
Fig 2. IEC logic symbol
SO20
SSOP20
TSSOP20
DHVQFN20 plastic dual-in-line compatible thermal enhanced
19
11
13
15
17
Rev. 03 — 2 August 2007
1
2
4
6
8
EN
EN
Description
plastic small outline package; 20 leads;
body width 7.5 mm
plastic shrink small outline package; 20 leads;
body width 5.3 mm
plastic thin shrink small outline package; 20 leads;
body width 4.4 mm
very thin quad flat package; no leads; 20 terminals;
body 2.5
mgu778
4.5
18
16
14
12
9
7
5
3
0.85 mm
74HC240; 74HCT240
Octal buffer/line driver; 3-state; inverting
Fig 3. Functional diagram
17
15
13
11
19
2
4
6
8
1
1OE
1A0
1A1
1A2
1A3
2OE
2A0
2A1
2A2
2A3
© NXP B.V. 2007. All rights reserved.
Version
SOT163-1
SOT339-1
SOT360-1
SOT764-1
mgu780
1Y0
1Y1
1Y2
1Y3
2Y0
2Y1
2Y2
2Y3
18
16
14
12
3
5
7
9
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